11 67 B . M . Al - Chalabi Bull. Iraq nat. Hist. Mus. (2000) 9 (2): 67-70 RECORDS OF HOST PLANTS OF PEA LEAF MINER, P1-f YTOMYZA HORTICOLA GOUREAU (DIPTERA: AGROMYZIDE) IN IRAQ Atellah F. Mekhlif Department of Biology, College of Education. Mosul University. Mosul ABSTRACT It was found that Pkvtomyza horticola Goureau infested 36 plants belonging to 11 families of dicotyledons. only two of which belong to Monocotyledons. Most of plants species are from compositae and Cruciferae families. INTRUDOCTION Phytomyza horticolla Goureau. 1851 is a widespread all over the word, with the exception to neotropical regions (Spencer, 1964). It has caused serous damage to various field crops and ornamental plants (Atwal, et al, 1969: Srivastiva and singh. 1972). Spencer (1964) has reported that P. horticola occurs widely on Dicotyledons plants and it has been also found on A Ilium from Monocotyledons. Trehan and Sehgal (1969) and Mekhlif(1984) have found that major host plants of P. horticola are Compositae and Cruciferae. The survey of the host plants of the insect in Iraq is recorded in the present study. The hosts listed by Al-Azawi (1967) and Mekhlif(1984) have been recorded, too. MATERIALS AND METHODS Leaves infested by P. horticola were collected from various areas in Ninevah and Al-Anbar provinces, during the springs of 1988-1992. The leaves were isolated in petri-dishes for about 20 days to obtain adults. Pea leaf miner can be distinguished by serpentine-shaped mine and specific faecal pattern in the mine. RESULTS AND DISCUSSION In this study. P. horticola infested 36 plants sp as well as 43 host plants listed by Al Azawi (1967) and Mekhlif(1984) from different parts of Iraq. Pea leaf miner infested 34 plants belonging to Dicotyledons whereas only two plants were from Monocotyledons (table I). This result goes with Spencer’s (1964) summary. This study also shows that two thirds of the host plants were weeds, one sixth was ornamentals. four host plants were vegetables and the later two hosts were crops. This dominance of weeds infestation could be attributed to the existence of the weeds in the same places. Therefore, the infestation can easily take place. Table (2) indicates that half of the hosts belongs to Compositae. and the second half belongs to remaining families. This tendency of infesting plants from compiositae was surveyed by trehan and of infestation was not observed by Al-Azwi (1967). (Table 2). Mekhlif (1984) recorded five hosts from Mosul which were formerly listed by Al-Azwi from the middle the south of Iraq. 68 Inheritance of dark head Table (1) Host plants of P. horticola Order! Family species Dicoivledons Amarantaceae Anemone silvestris L. Borraginaceae Borrago offlicina/is L. cornpsitae Anthemis carpatica W. A. cota L. B. tinctoria L. Cardaus nutans L. Centaurea ca/c/traps L. Centaurea cailcitrapa L. C. sollstitia/is L. Chrysanthemum indicum L. Cirsium lanceolatum (L.) Scop Erigeron acer L. E. atticus Viii. E. podolicus Bess Haiianthus annuus L. H. tuberus L Onoprdum acanthium L. O. illyricum L Si/ybum marianum (L) Gartn. Sonchus arvensis L. S. nymani Tin. Cruciferae Brass/ca juncea (L) Czern. A. nigraL. Lepidiurn sativum L. Raphanus raphanistrurn L. Sinapis arvensis L. Sisvrnbriurn orientaie L. Order! Family species Gentianaceae Nymphoides orbiculata Gilib Labiatae Mentha aquatica Legumenosae Capseiia integrefoiia Dc. Mel/lotus officinalis L. Tr repens L. Malvaceae Ma/va pu//ia With. Papaveraceae Papaver dub/urn L. Umbelliferae Apiurn graveoiens L. Monocotolydons Liliacea All/urn porrum L. A. cepa L. 69 B . M . Al - Chalabi Table (2). Number of host plants of P. hosticola which are recorded in present and preceding studies in Iraq. Family Al-zawi,967(Baghdad) No. of host plants / Family Mekhlif.1984 (Mosul) Present Study Amarantaceae - - 1 Borraginaceae - - 1 Chenopodiaceae 1 1 - Compositae 2 12 18 Convolvulaceae 1 I - Cruciferae 4 6 6 Cucurbitaceae - 1 - Gentianaceae - - 1 Labiata - - - 1 Leguminosae 5 4 3 Liliaceae - - - 2 linaceae - 1 - Malvaceae 1 2 1 Papavaraceae - - 1 papilionaceae - 1 - Scrophulariaceae 1 2 - Solonaceae 1 1 - Umbelliferae - -- 1 Total 16 32 36 REFERENCES Al-Azawi. A.F. 1967. Agromyzid leafminers and their parasites in Iraq. Bull. Ent. Res., 57:285-287. Atwal. AS.. Chaudhory, J.P. and Ramazan. M. 1969. Studies on. the biology and control of pea leafminer., Phytomyza atricornis Mg. (Dip.: Agromgzidae). J. Res. Punjab Agric. Univ., 6:163-196. MekhlifA.F. 1984. Aspects of the biology of the pea leafminer. P/tvtoniyza horticola Goureau (Diptera: Agromyzidae) infecting the leaves of wall-flower Cheiranth chieri L. M.Sc. Thesis, Coil. Of Sd., Mosul Univ. Srivastiva. A.S. and Singh. Y.P. 1972. Bionomics and control of pea leafminer. Phytomyza atricornis (Dip.; Agromyzidae). Z. Agrew. Entomal.. 70:437-440. Spencer. K.A. 1964. The species host relationship in the Agromyzidae (Diptera) as an aid to texonomy. 12 international congress of Entomology. London l3July:l-6. Teehan. K.N. and Sehgal. V.K. 1963. Range of host plant and larval feeding in Phytomyza atricornis Meigen (Diptera; Agromyzida). Entomol. Mon. Mag.. 24:1-3. 70 Inheritance of dark head Bull. Iraq nat. Hist. Mus. (2000) 9 (2): 67-70 تسجيل اضافي لعوامل حفار ورق البازالء في العراق عطا اهللا فهد مخلف كلية التربية/ قسم علوم الحياة جامعة الموصل الخالصة لسـت وثالثـني Phytomyza horticola Goureanلوحظ اصابة حفار ورق البازالء نبتة، تنتمي اىل احدى عشرة عائلة نباتية، عشرة منها تعود لذوات الفلقتني وواحدة لذوات الفلقة .معظم نباتات ذوات الفلقتني تعود للعائلتني املركبة والصليبية. الواحدة