Open access journal: http://periodicos.uefs.br/ojs/index.php/sociobiology ISSN: 0361-6525 DOI: 10.13102/sociobiology.v62i2.281-295Sociobiology 62(2): 281-295 (June, 2015) Ants of the Panga Ecological Station, a Cerrado Reserve in Central Brazil Introduction One of the first steps for the establishment of effective conservation actions and monitoring programs is the generation and maintenance of species distribution records (Agosti & Alonso, 2000). In this sense, species lists play an important role because they provide essential data for a more comprehensive analysis of diversity patterns, including biogeographical patterns (Fisher, 2010). The compilation of species lists can also determine the presence of rare, threatened, or ecologically important species (Agosti & Alonso, 2000) that otherwise could be missed in a single survey. In addition, recording the distribution of species is essential for the creation of a data network (Agosti & Alonso, 2000) that can be very important for basic research, allowing taxonomists to access new records of poorly known species. Comprehensive invertebrate surveys are essential for biodiversity studies as invertebrates are highly abundant, diverse, and play key ecological roles in most terrestrial ecosystems Abstract Species lists are an invaluable tool for a more comprehensive analysis of diversity patterns. Such lists, when derived from a comprehensive sampling effort, can indicate the presence of rare, threatened, or ecologically important species. This study aimed to generate a species list of the ants of the Panga Ecological Station, a protected Cerrado reserve in southeastern Brazil. This list was generated through taxonomic identification or through unification of the morphospecies codes of all specimens collected at the reserve in ten different studies since 2003. Information about the types of habitat and strata of occurrence of each species or morphospecies was also compiled. The data presented here represents one of the most intensive ant inventories conducted in the Brazilian Cerrado. We recorded 277 ant species belonging to 58 genera and nine subfamilies. This number is 1.63 to 3.69 times higher than the number of species recorded in other Cerrado localities surveyed so far. More species were collected in the savanna (249 species) than in the forest habitats (108 species), and more species were collected on ground (226 species) than in arboreal vegetation (117 species). Taxonomic identification was possible for 171 of the 277 species collected. Three of the named species are recorded for the first time in Brazil. Among the 106 unidentified species, at least six of them represent new, undescribed species. Together, these results highlight the conservation potential of this Cerrado reserve. Sociobiology An international journal on social insects GP Camacho1, HL Vasconcelos2 Article History Edited by Gilberto M. M. Santos, UEFS, Brazil Received 26 December 2014 Initial acceptance 16 March 2015 Final acceptance 08 April 2015 Keywords Ant inventories, ant diversity, Formicidae, species distribution, Neotropical savannas. Corresponding author Gabriela P. Camacho Prog. de Pós-Graduação em Entomologia Universidade Federal do Paraná 81531-980 Curitiba, PR, Brazil E-Mail: gabipcamacho@ymail.com (Fittkau & Klinge, 1973; Alonso & Agosti, 2000). Ants are a particularly important group of terrestrial invertebrates, as they establish mutualistic associations with many organisms (Ness et al., 2010), are predators of other invertebrates (Philpott & Armbrecht, 2006), secondary seed dispersers, and contribute to soil aeration (Lee & Foster, 1991) and nutrient cycling (Hudson et al., 2009). However, as is also the case for many other invertebrate groups, one of the difficulties in generating a list of ant species from a given locality or region is the taxonomic identification. This identification is usually performed at the “morphospecies” level, what makes the compilation of data originated from different researchers very difficult or even not possible. More than 12,900 ant species, distributed in 324 genera, are known worldwide (Bolton, 2014). This fauna has strong biogeographic patterns, with different regions containing endemic and strongly related taxa that show rapid species turnover within their borders (Fisher, 2010). Their abundance and diversity reach RESEARCH ARTICLE - ANTS 1 - Universidade Federal do Paraná, Curitiba, PR, Brazil 2 - Universidade Federal de Uberlândia, Uberlândia, MG, Brazil GP CamaCho, hL VasConCeLos - Ants of the Panga Ecological Station282 a peak in tropical regions and decline in temperate latitudes (Fernandez & Sendoya, 2004). The Neotropical region has the greatest ant diversity and the highest level of endemism among the different biogeographic regions in the globe (Fisher, 2010), harboring 30% of all ant species currently described (Fernandez & Sendoya, 2004). Nevertheless, there are few comprehensive inventories of the Neotropical ant fauna (but see Longino & Colwell, 1997), particularly in non-forest ecosystems. The Cerrado, one of the biodiversity hotspots worldwide (Myers et al., 2000), comprises a mosaic of vegetation types, which includes grasslands, forests, and especially savannas of variable structure that originally covered over two million square kilometers of Central Brazil. About 10,000 plant species occurs in the Cerrado region, of which approximately 40% are endemic (Ratter et al., 1997). However, this biodiversity is highly threatened by the expansion of modern agriculture. The creation of Conservation Units in this biome is urgent, since only less than 3% of the original Cerrado area is currently preserved (Klink & Machado, 2005). One of the best known ant faunas of Cerrado is the fauna of the “Reserva Ecológica do Panga” (hereafter Panga Ecological Station), a reserve of 409 ha located in Uberlândia, Minas Gerais, Brazil. Since 2003 several studies involving the ant fauna were conducted in this reserve (Vasconcelos et al., 2008; Campos et al., 2011; Lopes & Vasconcelos, 2008; Lopes & Vasconcelos, 2011; Pacheco & Vasconcelos, 2007; Pacheco & Vasconcelos, 2012; Powell et al., 2011; Vasconcelos et al., 2009; Camarota et al., 2015). However, a complete list of the species collected in the reserve was never compiled, since each study generated its own list of species and morphospecies and the codes used to separate the morphospecies were unique for each study. The objective of this study was to integrate information derived from the various ant surveys performed at the Panga Ecological Station, in order to provide a comprehensive list of species. For this, we examined the specimens collected in each study, identifying to species level whenever possible and, when this was not possible, assigning a standardized code for each recognized morphospecies. Material and methods All ants listed in this study were collected at the Panga Ecological Station (PES), a 409 ha reserved owned by the University of Uberlândia (UFU) and located 30 km south of Uberlândia, Minas Gerais State, Brazil (19° 10’ S, 48° 24’ W). The region is characterized by a tropical climate with two distinct seasons: a dry winter (from May to September) and a rainy summer (from October to April). Average annual temperature in this locality is 22.8° C and average annual rainfall is 1482 mm. Soils at the site are primarily red latosoils. Most of the reserve is covered by savannas - of which cerrado sensu stricto is the predominant - and in addition there are patches of forests and seasonally water-logged swamps. For a more detailed description of the vegetation of the study area see Cardoso et al. (2009). The species list provided here results from a compilation of data from 10 different ant surveys performed at PES since 2003 (Table 1). All specimens collected during these studies are deposited at the Zoological Collection of the Federal University of Uberlândia (UFU), in Uberlândia, Brazil. We examined all specimens deposited at UFU´s Zoological Collection. All material identified at the morphospecies level was revised in order to unify morphospecies codes across the studies. Once this was done, we attempted to identify the specimens using taxonomic keys (Longino, 2003; Wild, 2005; Mayhé-Nunes & Brandão, 2006; Klingenberg & Brandão, 2009; Mackay & Mackay, 2010) or by sending specimens to ant taxonomists (see acknowledgments). Table 1. List of studies involving the ant fauna of the Panga Ecological Station, including sampling effort, sampling method and habitats studied. Source Number of samples Sampling method Habitats sampled Pacheco & Vasconcelos (2007) 60 Baited pitfall traps Savanna (Cerrado sensu stricto) Lopes & Vasconcelos (2008) 120 Baits Pitfall traps Winkler extractor Savanna (Cerrado sensu stricto, Cerrado ralo and Cerrado Denso), Forest Vasconcelos et al. (2008) 80 Corn flour baits Orange peel baits Savanna (Campo Cerrado, Cerrado sensu stricto, Cerradão), Semideciduous forest Vasconcelos et al. (2009) 160 Mini-Winkler extractors Savanna (Cerrado Denso) Campos et al. (2011) 320 Pitfall traps Sardine and honey baits Cerrado sensu stricto Lopes & Vasconcelos (2011) 90 Vegetation beating Active search Savanna (Cerrado denso) Powell et al. (2011) 60 Baited pitfall traps Savanna (Cerrado sensu stricto, Cerrado ralo, Cerradão) Pacheco & Vasconcelos (2012) 100 Pitfall traps (epigeic and hypogeic) Savanna (Cerrado sensu stricto) Koch (2014) 81 Baited pitfall traps Vegetation beating Savanna (Cerrado sensu stricto, Cerrado ralo) Camarota et al. (2015) 240 Baited pitfall traps Savanna (Cerrado sensu stricto, Cerrado ralo) Sociobiology 62(2): 281-295 (June, 2015) 283 Sampling completeness (across all studies) was determined using the Chao 2 species richness estimator, which was calculated using the default options of EstimateS 9.1.0 (Colwell et al, 2012). Based on information existing on the specimens labels and/or through information in the original data sets of the various studies listed in Table 1, we determined the habitats (savanna or forest) and the foraging strata (soil or woody vegetation) of occurrence (number of times the species was recorded in all studies) for each species and morphospecies. Results We recorded a total of 277 ant species from 58 genera and nine subfamilies (Appendix). Using taxonomic keys or with the aid of experts we were able to name a total of 177 species (63.9% of the total). In the previous studies conducted at PES only 24 species had been formally named. Therefore, the present study adds 153 species names for the ant fauna of the reserve.The total number of species recorded so far at the reserve represents 89.2% of the expected species number to be found there according to the species richness estimator Chao 2 (310.4 species). The diversity-dominance curve (Fig 1) shows a high proportion of rare species (24.9% of the total), i.e. of species that were collected only once or twice. The subfamily Myrmicinae was the most diverse, with 153 species, followed by Formicinae with 43 species and Dolichoderinae and Ponerinae, with 23 species each. The most diverse genus was Pheidole with 39 species, followed by Camponotus with 35 and Cephalotes, with 17 species. The most frequent species was Camponotus crassus Mayr, 1862, with 442 records of occurrence, followed by Cephalotes pusillus (Klug, 1824), Pheidole oxyops Forel, 1908 and Pheidoleradoszkowskii Mayr, 1884 with 348, 337 and 306 records, respectively. Fig 1. Diversity-abundance curve of all ant species collected at the Panga Ecological Station. More species were recorded in the savanna (249 species) than in the forest habitats (108 species), and more species were collected on ground (226 species) than in the arboreal vegetation (117 species). A total of 160 species from 56 genera were only found on ground, whereas 51 species from 23 genera were only found in the woody vegetation. Regarding species occurrences in different vegetation types, 169 species were collected exclusively in the savanna habitats, 28 only in the forest habitats, and 141 in both. Discussion The data presented here represents one of the most intensive ant inventories conducted in the Brazilian Cerrado. We found that at least 277 ant species coexist within the 409 hectares of Panga Ecological Station. This number of species is nearly as high as the number of species recorded by Silvestre et al. (2004) in seven different Cerrado localities (333 species in total) and higher than the number of species recorded in savannas of Africa and Australia (Table 2). Table 2. Number of ant species recorded in different tropical savannas areas of the world. Locality sampled Ant species richness Number of samples Sampling methodology Type of habitat Source Brazil (SP e GO) 56 120 Baits Cerrado Silva et al. (2004) Brazil, Niquelândia (GO) 158 50 Baits and additional methods* Cerrado Silvestre et al. (2004) Brazil, Colinas do Sul (GO) 167 50 Baits and additional methods* Cerrado Silvestre et al. (2004) Brazil, Campinaçu (GO) 154 50 Baits and additional methods* Cerrado Silvestre et al. (2004) Brazil, Uruaçu (GO) 170 50 Baits and additional methods* Cerrado Silvestre et al. (2004) Brazil, Luiz Antônio (SP) 128 50 Baits and additional methods* Cerrado Silvestre et al. (2004) Brazil, Cajuru (SP) 85 150 Baits and additional methods* Cerrado Silvestre et al. (2004) Brazil, Aguas Emendadas (DF) 75 150 Baits and additional methods* Cerrado Silvestre et al. (2004) Brazil (MG) 61 51 Baited pitfall traps Cerrado Campos et al. (2008) Australia 27 100 Sweep nets Arboreal savanna Andersen et al. (2007) Africa 34 105 Mini-Winkler extractor and pitfall traps Arboreal savanna Parr&Chown (2001) Africa 160 120 Pitfall traps Arboreal savanna Parr et al. (2004) Africa 72 200 Pitfall traps Arboreal savanna Sithole et al. (2010) *Including manual collection, pitfall traps, subterranean pitfall traps, color trays, light traps, Malaise traps and Winkler extractors. GP CamaCho, hL VasConCeLos - Ants of the Panga Ecological Station284 However, it is important to mention that the elevated number of species recorded at PES may only reflect the higher diversity of sampling methods and/or the higher intensity of sampling at this reserve compared to the other savannas areas sampled so far. Only 66 species were recorded both on ground and in the woody vegetation, indicating that, as also observed in tropical forests (Bruhl et al., 1998; Vasconcelos & Vilhena, 2006; Wilkie et al., 2010) and in other Cerrado areas (Campos et al., 2008), there is a vertical stratification of the ant fauna. Camponotus, Pseudomyrmex and Pheidole were the most frequent genera in the vegetation, whereas Pheidole, Camponotus and Solenopsis were the most frequent ones on ground. Differences in species composition were also clear. The most abundant species in the vegetation were Camponotus crassus and Cephalotes pusilus, whereas on ground Pheidole oxyops and Pheidole radoszkowskii were the most abundant ones (Fig 2). Therefore, the high diversity of ants in the Cerrado reserve we studied can be explained, at least in part, by the specialization of some species to forage and/or nest either on ground or in the vegetation (Campos et al., 2008). Habitat specialization is probably also involved since many of the species inhabiting the savannas were not recorded in the forest habitats and vice-versa (Fig 3). Fig 2. The most abundant ant genera (A) and most abundant species (B) collected on ground or in the woody vegetation. Fig 3. The most abundant ant genera (A) and most the abundant species (B) collected in the savanna or forest habitats. Taxonomic identification was possible for 171 of the 277 species collected at PES. Although many of the named species are widely distributed in Neotropics (Fernandez & Sendoya, 2004) some are poorly known. For instance, Pheidole superba Wilson, 2003, was previously known only from its type locality in Colombiaand from Panamá (Wilson, 2003). Similarly, Crematogaster crucis Forel, 1912 and Myrmicocripta urichi Weber, 1937 were recorded for the first time in Brazil (Ant Wiki, 2014). Cyatta abscondita Sosa- Calvo, Schultz, Brandão, Klingenberg, Feitosa, Rabeling, Bacci, Lopes & Vasconcelos, 2014, the only representative of the newly described genus Cyatta, is also present at PES. The same is true for Cephalotes specularis Brandão, Feitosa, Powell & Del-Claro, 2014, a newly described species that presents a remarkable social parasitism behavior (Powell et al., 2014). In addition, Pseudomyrmex curacaensis (Forel, 1912) and Pseudomyrmex euryblemma (Forel, 1899) are recorded for the first time in the Cerrado region (Rodrigo M. Feitosa, Departamento de Zoologia da Universidade Federal do Paraná, personal communication, December 12, 2014). Among the 106 unidentified species, at least six of them represent new, undescribed species, including five species of Trachymyrmex (Antônio Mayhé-Nunes, Departamento de Sociobiology 62(2): 281-295 (June, 2015) 285 Biologia Animal, Universidade Federal Rural do Rio de Janeiro, personal communication, July 2010) and one species of Xenomyrmex (Lívia P. Prado, Museu de Zoologia da Universidade de São Paulo, personal communication, February 14, 2014). Together, these results highlight the conservational potential of this Cerrado reserve. The Panga Ecological Station harbors a surprisingly high number of ant species indicating that, although poorly studied, the Cerrado has a highly diverse ant fauna. Moreover, the large number of species that remain unnamed shows that the ant fauna of this region is taxonomically poorly known, emphasizing the need for a greater effort in the collection and description of new species. Acknowledgments We are thankful to Dr. Rodrigo M. Feitosa, Dr. Fernando C. Fernandez, Dr. Phillip S. Ward, Dr. John T. Longino, Dr. Ted R. Schultz, Dr. Jeffrey Sosa-Calvo, Dr. Antônio Mayhé- Nunes, Lívia P. Prado and Alexandre C. Ferreira for their help with the identification of the ant species, and to Brunno Bueno Rosa for help with the preparation of the images. We deeply thank Renata Pacheco, Cauê T. Lopes, Bruna B. Araújo, Scott Powell, Elmo Koch, Flávio Camarota and Ricardo Campos for providing their original data sets, without which some of the analysis presented here would be impossible.We also thank Rodrigo Feitosa, Ricardo Solar and an anonymous reviewer for reading and commenting on a previous version of the manuscript. 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List of species recorded at the Panga Ecological Station. Numbers represent the total number of occurrences in different habitats or strata. Savanna Forest Ground Woody vegetation Total Amblyoponinae Prionopelta Prionopelta cf. punctulata Mayr, 1866 5 4 9 0 9 Dolichoderinae Azteca Azteca sp. 01 32 0 0 32 32 Azteca sp. 02 19 0 2 17 19 Azteca sp. 03 10 0 5 5 10 Azteca sp. 04 1 0 0 1 1 Dolichoderus Dolichoderus bispinosus (Olivier, 1792) 6 0 0 6 6 Dolichoderus diversus Emery, 1894 1 0 1 0 1 Dolichoderus imitator (Emery, 1894) 2 0 2 0 2 Dolichoderus lamellosus (Mayr, 1870) 16 0 0 16 16 Dolichoderus lutosus (F. Smith, 1858) 32 0 0 32 32 Dorymyrmex Dorymyrmex prox. jheringi Forel, 1912 8 0 8 0 8 Dorymyrmex pyramicus Forel, 1912 47 7 44 10 54 Dorymyrmex sp. 01 1 0 1 0 1 Dorymyrmex sp. 02 0 1 0 1 1 Forelius Forelius brasiliensis (Forel, 1908) 6 0 3 0 6 Forelius maranhaoensis Cuezzo, 2000 2 0 2 0 2 Gracilidris Gracilidris pombero Wild & Cuezzo, 2006 1 0 1 0 1 Linepithema Linepithema aztecoides Wild, 2007 98 0 73 25 98 Linepithema cerradense Wild, 2007 1 0 1 0 1 Linepithema micans Forel, 1908 12 0 11 1 12 Linepithema sp. 01 13 6 19 0 19 Tapinoma Tapinoma sp. 01 7 0 7 0 7 Tapinoma sp. 02 5 0 5 0 5 Tapinoma sp. 03 13 0 0 13 13 Dorylinae Cerapachys Cerapachys splendens Borgmeier, 1957 2 2 4 0 4 Eciton Eciton vagans Borgmeier, 1955 2 1 3 0 3 Labidus Labidus coecus (Latreille, 1802) 11 0 10 1 11 Neivamyrmex Neivamyrmex sp. 01 6 0 6 0 6 Nomamyrmex Nomamyrmex esenbeckii (Westwood, 1842) 2 0 2 0 2 Sociobiology 62(2): 281-295 (June, 2015) 289 Appendix. List of species recorded at the Panga Ecological Station. Numbers represent the total number of occurrences in different habitats or strata (Continuation). Savanna Forest Ground Woody vegetation Total Ectatomminae Ectatomma Ectatomma brunneum F. Smith, 1858 10 0 8 2 10 Ectatomma edentatum Roger, 1863 12 1 13 0 13 Ectatomma lugens Emery, 1894 41 17 58 0 58 Ectatomma opaciventre Roger, 1861 27 6 33 0 33 Ectatomma permagnum Forel, 1908 104 7 111 0 111 Ectatomma planidens Borgmeier, 1939 16 0 16 0 16 Ectatomma suzanae Almeida, 1986 35 8 43 0 43 Ectatomma tuberculatum Olivier, 1792 14 5 4 15 19 Gnamptogenys Gnamptogenys acuminata (Emery, 1896) 4 0 4 0 4 Gnamptogenys horni (Santschi, 1929) 2 0 2 0 2 Gnamptogenys striatula Mayr, 1884 5 2 10 0 10 Typhlomyrmex Typhlomyrmex sp. 01 1 0 1 0 1 Formicinae Brachymyrmex Brachymyrmex sp. 01 40 3 39 4 43 Brachymyrmex sp. 02 184 31 165 50 215 Brachymyrmex sp. 03 2 0 2 0 2 Camponotus Camponotus arboreus (F. Smith, 1858) 25 0 7 18 25 Camponotus atriceps (F. Smith, 1858) 163 7 35 135 170 Camponotus blandus (F. Smith, 1858) 74 47 68 53 121 Camponotus cameranoi Emery, 1894 11 0 0 11 11 Camponotus cingulatus Mayr, 1862 5 19 20 4 24 Camponotus crassus Mayr, 1862 442 0 125 317 442 Camponotus dimorphus Emery, 1894 0 3 0 3 3 Camponotus fastigatus Roger, 1863 4 0 0 4 4 Camponotus genatus Santschi, 1922 7 0 0 7 7 Camponotus latangulus Roger, 1863 1 15 9 7 16 Camponotus lespesii Forel, 1866 90 20 89 21 110 Camponotus leydigi Forel, 1866 5 2 3 4 7 Camponotus melanoticus Santschi, 1839 84 1 20 62 85 Camponotus novogranadensis Mayr, 1870 6 0 5 1 6 Camponotus renggeri Emery, 1894 64 0 41 19 64 Camponotus rufipes Fabricius, 1775 42 2 19 25 44 Camponotus senex F. Smith, 1858 21 0 0 21 21 Camponotus sericeiventris Guerin-Meneville, 1838 111 16 46 79 127 Camponotus tenuiscapus Roger, 1893 21 0 10 11 21 Camponotus textor Forel, 1899 80 0 0 80 80 Camponotus trapeziceps Santschi, 1922 0 1 0 1 1 Camponotus vittatus Forel, 1904 1 0 1 0 1 Camponotus sp. 01 62 0 6 56 62 GP CamaCho, hL VasConCeLos - Ants of the Panga Ecological Station290 Appendix. List of species recorded at the Panga Ecological Station. Numbers represent the total number of occurrences in different habitats or strata (Continuation). Savanna Forest Ground Woody vegetation Total Camponotus (Continuation) Camponotus sp. 02 24 0 0 24 24 Camponotus sp. 03 0 1 0 1 1 Camponotus sp. 04 6 0 2 4 6 Camponotus sp. 05 4 0 3 0 4 Camponotus sp. 06 4 0 4 0 4 Camponotus sp. 07 10 0 5 5 10 Camponotus sp. 08 20 0 20 0 20 Camponotus sp. 09 3 5 6 2 8 Camponotus sp. 10 0 12 11 1 12 Camponotus sp. 11 5 0 5 0 5 Camponotus sp. 12 5 0 5 0 5 Camponotus sp. 13 6 0 6 0 6 Myrmelachista Myrmelachista sp. 01 15 3 18 0 18 Nylanderia Nylanderia sp. 01 137 10 147 0 147 Nylanderia sp. 02 2 0 2 0 2 Nylanderia sp. 03 9 9 18 0 18 Nylanderia sp. 04 14 0 14 0 14 Heteroponerinae Acanthoponera Acanthoponera mucronata Roger, 1860 1 0 0 1 1 Myrmicinae Acanthognathus Acanthognathus rudis Brown & Kempf, 1969 1 1 2 0 2 Acromyrmex Acromyrmex ambiguus Emery, 1888 1 0 1 0 1 Acromyrmex balzani Emery, 1890 9 0 9 0 9 Acromyrmex subterraneus (Forel, 1893) 0 2 2 0 2 Apterostigma Apterostigma sp.01 6 1 6 1 7 Apterostigma sp.02 35 0 35 0 35 Apterostigma gr. auriculatum sp.03 0 6 6 0 6 Atta Atta laevigata Smith, F., 1858 18 2 13 7 20 Atta sexdens Linnaeus, 1758 1 5 6 0 6 Cardiocondyla Cardiocondyla emeryi Forel, 1881 4 0 4 0 4 Carebara Carebara brevipilosa (Fernandéz, 2004) 8 5 13 0 13 Carebara urichi (W.M. Wheeler, 1922) 1 0 1 0 1 Carebara gr. lignata sp. 01 2 0 2 0 2 Cephalotes Cephalotes adolphi Emery, 1906 1 0 0 1 1 Cephalotes angustus Mayr, 1862 7 0 0 7 7 Sociobiology 62(2): 281-295 (June, 2015) 291 Appendix. List of species recorded at the Panga Ecological Station. Numbers represent the total number of occurrences in different habitats or strata (Continuation). Savanna Forest Ground Woody vegetation Total Cephalotes (Continuation) Cephalotes atratus (Linnaeus, 1758) 21 0 0 21 21 Cephalotes clypeatus Fabricius, 1804 3 0 0 3 3 Cephalotes cordatus Smith, F., 1853 4 0 0 4 4 Cephalotes depressus Klug, 1824 1 0 0 1 1 Cephalotes eduarduli Forel, 1921 5 0 2 3 5 Cephalotes grandinosus (F. Smith, 1860) 21 0 2 19 21 Cephalotes liepini De Andrade, 1999 2 0 0 2 2 Cephalotes maculatus (F. Smith, 1876) 7 0 0 7 7 Cephalotes minutus (Fabricius, 1804) 9 0 2 7 9 Cephalotes pallidoides De Andrade, 1999 7 0 0 7 7 Cephalotes pellans De Andrade, 1999 10 0 0 10 10 Cephalotes persimilis De Andrade, 1999 9 0 1 8 9 Cephalotes pusillus (Klug, 1824) 331 17 71 277 348 Cephalotes simillimus Kempf, 1951 1 1 1 2 3 Cephalotes specularis Brandão, Feitosa, Powell & Del-Claro, 2014 1 0 0 1 1 Crematogaster Crematogaster cf. crucis Forel, 1912 0 1 0 1 1 Crematogaster curvispinosa (Mayr, 1862) 0 5 3 2 5 Crematogaster distans (Mayr, 1870) 2 2 4 0 4 Crematogaster erecta (Mayr, 1866) 0 3 3 0 3 Crematogaster limata (Smith, F., 1858) 2 1 2 1 3 Crematogaster nitidiceps Emery, 1895 5 17 9 9 22 Crematogaster victima Forel, 1901 1 0 1 0 1 Crematogaster sp. 01 4 0 0 4 4 Crematogaster sp. 02 3 0 0 3 3 Crematogaster sp. 03 8 0 4 4 8 Crematogaster sp. 04 0 3 2 1 3 Crematogaster sp. 05 1 0 1 0 1 Crematogaster sp. 06 1 0 1 0 1 Cyatta Cyatta abscondita Sosa-Calvo et al., 2014 1 0 1 0 1 Cyphomyrmex Cyphomyrmex olitor Forel, 1903 34 11 45 0 45 Cyphomyrmex rimosus (Spinola, 1851) 15 14 30 0 30 Cyphomyrmex gr. rimosus sp. 01 2 0 2 0 2 Cyphomyrmex gr. rimosus sp. 02 4 0 4 0 4 Cyphomyrmex gr. strigatus sp. 01 3 0 3 0 3 Hylomyrma Hylomyrma balzani Emery, 1894 5 4 9 0 9 Hylomyrma reitteri (Mayr, 1887) 9 0 9 0 9 GP CamaCho, hL VasConCeLos - Ants of the Panga Ecological Station292 Appendix. List of species recorded at the Panga Ecological Station. Numbers represent the total number of occurrences in different habitats or strata (Continuation). Savanna Forest Ground Woody vegetation Total Megalomyrmex Megalomyrmex drifti Kempf, 1961 0 2 2 0 2 Megalomyrmex goeldii Forel, 1912 0 3 3 0 3 Megalomyrmex silvestrii (W.M. Wheeler, 1909) 2 0 2 0 2 Monomorium Monomorium floricola Jerdon, 1851 (introduced) 4 0 2 2 4 Mycetagroicus Mycetagroicus cerradensis Brandão & Mayhé-Nunes, 2001 7 0 7 0 7 Mycetarotes Mycetarotes parallelus Emery, 1906 5 0 5 0 5 Mycocepurus Mycocepurus goeldii (Forel, 1893) 85 19 104 0 104 Mycocepurus obsoletus Emery, 1913 2 0 2 0 2 Mycocepurus smithii (Forel, 1893) 42 1 43 0 43 Myrmicocripta Myrmicocripta cf. urichi Weber, 1937 0 3 3 0 3 Myrmicocrypta cf. squamosa Smith, F., 1860 10 10 20 0 20 Myrmicocrypta sp. 01 3 0 3 0 3 Nesomyrmex Nesomyrmex cf. brasiliensis Kempf, 1958 3 0 0 3 3 Nesomyrmex spininodis Mayr, 1887 13 2 5 10 15 Ochetomyrmex Ochetomyrmex semipolitus Mayr, 1878 1 0 1 0 1 Octostruma Octostruma balzani (Emery, 1894) 0 18 18 0 18 Octostruma iheringi (Emery, 1888) 1 0 1 0 1 Oxyepoecus Oxyepoecus longicephalus de Albuquerque, Lavor & Brandão, 2004 1 0 1 0 1 Pheidole Pheidole fallax 4 0 4 0 4 Pheidole fimbriata (Roger, 1863) 0 8 8 0 8 Pheidole flavens Roger, 1863 70 37 107 0 107 Pheidole gertrudae Forel, 1886 2 0 2 0 2 Pheidole nr. lucretii Santschi, 1923 0 27 27 0 27 Pheidole oxyops Forel, 1908 253 83 330 7 337 Pheidole pubiventris Borgmeier, 1928 15 6 15 6 21 Pheidole radoszkowskii (Mayr, 1884) 262 44 212 94 306 Pheidole nr. rugiceps Wilson, 2003 11 6 17 0 17 Pheidole nr. schmalzi Emery, 1894 70 0 32 38 70 Pheidole nr. susannae Forel, 1886 26 0 24 2 26 Pheidole superba Wilson, 2003 2 0 2 0 2 Pheidole triconstricta Forel, 1886 58 28 86 0 86 Pheidole sp. 01 122 12 134 0 134 Sociobiology 62(2): 281-295 (June, 2015) 293 Appendix. List of species recorded at the Panga Ecological Station. Numbers represent the total number of occurrences in different habitats or strata. (Continuation). Savanna Forest Ground Woody vegetation Total Pheidole (Continuation) Pheidole sp. 02 35 0 35 0 35 Pheidole sp. 03 2 5 7 0 7 Pheidole sp. 04 2 0 2 0 2 Pheidole sp. 05 9 0 9 0 9 Pheidole sp. 06 3 16 19 0 19 Pheidole sp. 07 8 0 8 0 8 Pheidole sp. 08 1 0 1 0 1 Pheidole sp. 09 29 5 33 1 34 Pheidole sp. 10 1 0 0 1 1 Pheidole sp. 11 9 0 9 0 9 Pheidole sp. 12 20 0 10 10 20 Pheidole sp. 13 1 0 1 0 1 Pheidole sp. 14 1 0 1 0 1 Pheidole sp. 15 1 0 1 0 1 Pheidole sp. 16 6 0 6 0 6 Pheidole sp. 17 0 3 1 2 3 Pheidole sp. 18 12 0 12 0 12 Pheidole sp. 19 11 11 22 0 22 Pheidole sp. 20 5 0 5 0 5 Pheidole sp. 21 9 0 7 2 9 Pheidole sp. 22 0 5 5 0 5 Pheidole sp. 23 12 11 22 1 23 Pheidole sp. 24 50 0 46 4 50 Pheidole sp. 25 1 1 0 2 2 Pheidole sp. 26 3 0 3 0 3 Pogonomyrmex Pogonomyrmex naegelli Emery, 1878 19 0 19 0 19 Rogeria Rogeria sp. 01 1 0 1 0 1 Rogeria sp. 02 1 1 2 0 2 Sericomyrmex Sericomyrmex luederwaldti Santschi, 1925 69 41 110 0 110 Sericomyrmex scrobifer Forel, 1911 24 0 24 0 24 Solenopsis Solenopsis substituta Santschi, 1925 91 16 90 17 107 Solenopsis tridens Forel, 1911 97 66 97 66 163 Solenopsis sp. 01 49 0 30 19 49 Solenopsis sp. 02 126 0 104 22 126 Solenopsis sp. 03 20 0 20 0 20 Solenopsis sp. 04 56 30 40 46 86 Solenopsis sp. 05 0 1 0 1 1 GP CamaCho, hL VasConCeLos - Ants of the Panga Ecological Station294 Savanna Forest Ground Woody vegetation Total Solenopsis (Continuation) Solenopsis sp. 06 3 0 3 0 3 Solenopsis sp. 07 1 0 1 0 1 Solenopsis sp. 08 0 1 1 0 1 Solenopsis sp. 09 2 0 2 0 2 Solenopsis sp. 10 0 1 1 0 1 Solenopsis sp. 11 2 1 3 0 3 Solenopsis sp. 12 1 0 1 0 1 Strumigenys Strumigenys denticulata Mayr, 1887 15 24 39 0 39 Strumigenys eggersi (Emery, 1890) 34 6 40 0 40 Strumigenys sp. 01 1 0 1 0 1 Strumigenys grytava Bolton, 2000 17 0 17 0 17 Strumigenys zeteki (Brown, 1959) 0 2 2 0 2 Strumigenys nr. elongata Roger, 1863 3 0 3 0 3 Strumigenys louisianae Roger, 1863 6 0 6 0 6 Strumigenys perparva Brown, 1958 12 8 20 0 20 Strumigenys nr. trinidadensis (W.M. Wheeler, 1922) 0 5 5 0 5 Trachymyrmex Trachymyrmex bugnioni (Forel, 1912) 13 4 17 0 17 Trachymyrmex cirratus Mayhé-Nunes & Brandão, 2005 3 0 3 0 3 Trachymyrmex cornetzi (Forel, 1912) 3 0 3 0 3 Trachymyrmex dichrous Kempf, 1967 16 0 16 0 16 Trachymyrmex farinosus Emery, 1894 9 0 9 0 9 Trachymyrmex holmgreni W.M. Wheeler, 1925 4 0 4 0 4 Trachymyrmex gr. urichi sp. 01 1 0 1 0 1 Trachymyrmex gr. urichi sp. n. 02 19 0 19 0 19 Trachymyrmex sp. n. 03 8 0 8 0 8 Trachymyrmex sp. n. 04 3 0 3 0 3 Trachymyrmex sp. n. 05 16 2 18 0 12 Trachymyrmex sp. n. 06 24 0 24 0 24 Tranopelta Tranopelta gilva Mayr, 1866 1 0 1 0 1 Wasmannia Wasmannia affinis Santschi, 1929 12 0 6 6 12 Wasmannia auropunctata (Roger, 1863) 71 20 79 12 91 Wasmannia rochai (Forel, 1912) 9 0 0 9 9 Xenomyrmex Xenomyrmex sp. n. 1 0 0 1 1 Ponerinae Anochetus Anochetus bispinosus (F. Smith, 1858) 24 14 38 0 38 Hypoponera Hypoponera foreli Mayr, 1887 2 3 5 0 5 Hypoponera sp. 01 7 0 7 0 7 Appendix. List of species recorded at the Panga Ecological Station. Numbers represent the total number of occurrences in different habitats or strata (Continuation). Sociobiology 62(2): 281-295 (June, 2015) 295 Savanna Forest Ground Woody vegetation Total Hypoponera (Continuation) Hypoponera sp. 02 2 0 2 0 2 Hypoponera sp. 03 0 4 4 0 4 Hypoponera sp. 04 0 1 1 0 1 Hypoponera sp. 05 10 11 21 0 21 Hypoponera sp. 06 0 3 3 0 3 Hypoponera sp. 07 3 2 5 0 5 Hypoponera sp. 08 1 0 1 0 1 Neoponera Neoponera agilis (Forel, 1901) 2 0 0 2 2 Neoponera apicalis Latreille, 1802 2 0 2 0 2 Neoponera crenata (Roger, 1861) 0 2 0 2 2 Neoponera inversa F. Smith, 1858 19 0 1 18 19 Neoponera laevigata (F. Smith, 1858) 1 0 1 0 1 Neoponera verenae (Forel, 1922) 95 14 109 0 109 Neoponera villosa Fabricius, 1804 41 0 10 31 41 Odontomachus Odontomachus bauri Emery, 1892 5 0 5 0 5 Odontomachus chelifer (Latreille, 1802) 20 13 33 0 33 Odontomachus laticeps Roger, 1861 3 0 3 0 3 Odontomachus meinerti Forel, 1905 10 4 14 0 14 Pachycondyla Pachycondyla harpax Fabricius, 1804 52 10 62 0 62 Pachycondyla striata F. Smith, 1858 1 7 8 0 8 Pseudomyrmecinae Pseudomyrmex Pseudomyrmex curacaensis (Forel, 1912) 29 0 0 29 29 Pseudomyrmex elongatus Mayr, 1870 59 0 0 59 59 Pseudomyrmex euryblemma (Forel, 1899) 2 0 0 2 2 Pseudomyrmex gracilis (Fabricius, 1804) 255 0 5 250 255 Pseudomyrmex kuenckeli Emery, 1890 9 0 0 9 5 Pseudomyrmex maculatus F. Smith, 1855 6 0 0 6 6 Pseudomyrmex pallidus F. Smith, 1855 13 6 12 7 19 Pseudomyrmex sericeus Stitz, 1913 4 0 0 4 4 Pseudomyrmex simplex (F. Smith, 1877) 36 0 0 36 36 Pseudomyrmex tenuis Fabricius, 1804 3 0 3 0 3 Pseudomyrmex tenuissimus Emery, 1906 14 0 0 14 14 Pseudomyrmex termitarius F. Smith, 1855 21 2 23 0 23 Pseudomyrmex unicolor F. Smith, 1855 9 0 0 9 9 Pseudomyrmex urbanus F. Smith, 1877 165 0 0 165 165 Pseudomyrmex sp. 01 3 0 0 3 3 Pseudomyrmex sp. 02 1 0 0 1 1 Appendix. List of species recorded at the Panga Ecological Station. Numbers represent the total number of occurrences in different habitats or strata (Continuation).