Jurnal Riset Biologi dan Aplikasinya, Volume 3, Issue 2, September 2021 Diversity of Butterflies (Hexapoda: Lepidoptera: Rhopalocera) Around Campus 4 of Universitas Ahmad Dahlan Ichsan Luqmana Indra Putra1*, Haris Setiawan2, Tasya Aulia Putri3 1 Laboratory of Ecology and Systematics, Faculty of Applied Science and Technology, Ahmad Dahlan University; 2Laboratory of Animal Structure and Physiology, Faculty of Applied Science and Technology, Ahmad Dahlan University; 3Biology Department, Faculty of Applied Science and Technology, Ahmad Dahlan University Jln. Ring Road Selatan, Tamanan, Banguntapan, Bantul, Yogyakarta 55191, Indonesia *Corresponding Author: e-mail: ichsan.luqmana@bio.uad.ac.id Article History ABSTRACT Received : 24 May 2021 The conversion of land functions can result in a decrease of environmental quality, which can reduce the diversity of butterflies. This study aimed to determine the diversity level and to find the most abundant and less abundant butterfly species around campus 4 UAD. The sampling was done at campus area, vacant land, rice fields and housing sites. Each of these sites had 2 plots and consisted of 5 subplots, respectively. Sampling was carried out four times, which was done in the morning at 08.00 - 11.00 and in the afternoon at 15.00 - 17.00. Butterflies caught using a sweep net. The data were analyzed by inferential analysis, namely Pearson correlation test. The calculation of the diversity level of butterflies was carried out by calculating the importance value index, the diversity Shannon-Wiener index, and the Simpson dominance index. The results showed that the diversity level of Shannon Wiener index of butterflies around the campus 4 UAD showed a low level (0.67). The species of butterflies found around campus 4 UAD were Acraea violae, Aphrissa statira, Appias libythea, Appias olferna, Catopsilia pyranthe, Catopsilia Scylla, Danaus Chrysippus, Elymnias hypermnestra, Junonia almana, and Junonia atlites. The most abundant butterfly was C. pyranthe with 125 individuals whereas the least abundant was A. libythea with 1 individual. This suggested that the ecosystem around campus 4 UAD is disturbed category; causing instability of the diversity that exists, including butterflies. Revised : 20 July 2021 Approved : 2 September 2021 Published : 30 September 2021 Keywords Butterfly; diversity; dominance; Rhopalocera; Shannon Wiener. How to cite: Putra, I.L.I., Setiawan, H., & Putri, T.A. (2021). Diversity of Butterfly Species (Hexapoda: Lepidoptera: Rhopalocera) Around Universitas Ahmad Dahlan Campus 4. Jurnal Riset Biologi dan Aplikasinya, 3 (2): 54-62. DOI: 10.26740/jrba.v3n2.p54-62. INTRODUCTION Changes in land functions that are increasing by humans, such as building homes and places to do business, will cause the available land decrease continuously (Pewista & Harini, 2013). The longer of functional changes in the ecosystem, the faster decreasing in environmental quality which will disturb the balance of the ecosystem (Thom & Seidl, 2016). This was added by (Triyogo et al., 2016), another problem of land use change that can arise is a decrease in the level of diversity. The decline in diversity can occur because the land, which was originally a habitat for living things, has changed its function into student boarding houses and food stalls. Some of the organisms can be affected by the conversion of land use, for example butterflies (Hexapoda: Lepidoptera: Rhopalocera). Butterflies are one of the insects that must be protected from extinction and population decline (Sea et al., 2012). Butterflies have important values for humans and the environment, such as maintaining the balance of ecosystems and Jurnal Riset Biologi dan Aplikasinya https://journal.unesa.ac.id/index.php/risetbiologi Jurnal Riset Biologi dan Aplikasinya, 3(2): 54-62, September 2021 | 55 enriching biodiversity (Susilawati, 2010). According to (Septiana et al., 2019), the existence of butterflies in nature has various important functions, namely as flower pollinators, ecosystem components, and bio-indicators. According to Diana et al., (2015), land use change in ecosystem, habitat and resources can affect the level of diversity of butterflies in these habitats. This is made clear by Diana et al., (2015), which states that butterflies are insects that can respond to environmental changes, such as vegetation degradation and pollutions. Research on butterfly diversity in Pinang Masak Campus, Jambi University found 143 individuals from 5 butterfly families, namely Papilionidae, Pieridae, Nymphalidae, Lycaenidae and Hesperiidae (Dewi et al., 2016). The species of butterflies that were found in abundance were Junonia orithya followed by Acraea terpsicore and Eurema hecabe. Because of habitat alternation in around campus 4 of Universitas Ahmad Dahlan (UAD), Yogyakarta due to campus development, it can affect the diversity and abundance of butterflies in this area. Given the importance of the ecological function of butterflies in nature, this research is important to do to provide a database of butterflies around campus 4 UAD in a sustainable conservation effort. The purpose of this study was to determine the diversity level of butterfly species and to find the dominant and less dominant butterfly species around the campus area 4 Yogyakarta. MATERIALS AND METHODS Location Determinations and Sampling Points The research locations were carried out at the area of Campus 4 Universitas Ahmad Dahlan (UAD). The research locations consisted of campus areas, vacant land, housing, and rice fields. Each area has 2 plots with a size of each plot measuring 750 m2. Each plot consisted of 5 subplots with a size of 15 m x 10 m. Butterfly Sampling and Abiotic Factors Measurement Sampling was carried out four times. The time interval for sampling was once a week. Butterfly samples were taken in the morning from 08.00 - 11.00 am and continued in the afternoon at 03.00 - 05.00 pm. The selection of data collection time was based on the active time of most butterfly species. Butterflies were caught using a sweepnet. The captured butterflies were put into papilot paper so that the butterfly wings are not damaged. Butterflies were killed by pressing their thoracic part in papillot paper. The dead butterfly was placed on the sterofoam and pinned in the thorax using a pin and its wings were spread out using papillot paper. Furthermore, the butterflies were dried using a cardboard box given an incandescent lamp of 10 watts for 2 days. After that, a species label and a description of where it was found on each specimen was given. Measurements of abiotic factors in the field were air temperature, air humidity, wind speed, and light intensity. Air temperature and humidity was measured using a thermo-hygrometer. Wind speed was measured using the anemometer Benetech. Light intensity was measured using lux meter smart sensor. Host Plant Observation The host plant of butterfly’s observation was done by observing the adult butterflies. Flowering plants visited by butterflies were recorded. The literatures were also used to confirm the host plant of the butterflies in the sampling areas. Butterfly Identification The dried butterflies were then identified based on the characters of the thorax, abdomen, and ornaments on the dorsal and ventral wings. Identification was carried out by comparing the morphological characteristics of the samples with the identification book (Ruslan dkk., 2020; Resasco, 2009). Data Analysis Data analysis of abundance of butterflies and abiotic factors in this study were analyzed used normality test and Pearson correlation test. The calculation of the diversity level of butterflies was done by calculating the importance value index and diversity index using the formula Shannon-Wiener and the Simpson dominance index with the formula (Help et al., 1998): Importance Value Index Density = Relative density = x 100% Frequency = Relative frequency = x 100% Importance value index = Relative density + Relative frequency 56 | Putra et al; Diversity of Butterfly Species (Hexapoda: Lepidoptera: Rhopalocera) Shannon-Wiener Diversity Index (H’) H’ = −∑ 𝑝𝑖 ln 𝑝𝑖 𝑝𝑖 = Note: H′: Shannon-Wiener diversity index 𝑝𝑖 = ni/N ni: number of species individual at-i N : Total amount of species individual Shannon-Wiener diversity index criteria: H’< 2 = Low diversity 2 0.05 (Table 4). Based on the significance of correlation Pearson's in the 4 research areas between the average individual butterfly and the abiotic factor, it can be concluded that there is a negative correlation. Sharm and Joshi (2009) stated that the diversity of insect species is correlated with the structural constituents of a habitat and the diversity of vegetation forms. Another factor that may correlate with the abundance of butterfly species around the campus area 4 is the diversity of vegetation. According to Septiana et al. (2019), the distribution of butterflies is very closely related to plant vegetation. This is because the female butterfly chooses one or several types of forage plants. CONCLUSION It can be concluded that the diversity level of butterfly species in the area of Campus 4 UAD was low. The species of butterfly that dominated in this area was C. pyranthe, while the less dominant was A. libythea. REFERENCES Bahar, I., Atmowidi, T., & Peggie, D. (2016). keanekaragaman kupu-kupu superfamili papilionoidea (Lepidoptera) di kawasan hutan pendidikan gunung Walat Sukabumi, Jawa Barat. Zoo Indonesia, 25(1), 71– 82. Dewi, B., Hamidah, A., & Siburian, J. (2016). 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