Four New Species Of The Genus Melanagromyza (Diptera, Agromyzidae) From Ukraine Author Guglya, Yu. A. text Vestnik Zoologii 2016 Vestn. Zool. 2016-10-01 50 5 407 414 http://dx.doi.org/10.1515/vzoo-2016-0047 journal article 10.1515/vzoo-2016-0047 411bf53e-ff49-4ae3-b344-27b3921e8c6e 2073-2333 6449440 9FBB76EF-E847-42EC-AFD3-3B5BDF21131B Key to males Melanagromyza species known to occur in Ukraine 1. Fronto-orbital setulae only proclinate, thick, in several rows, elongated.................................................... 2 — Fronto-orbital setulae only reclinate or proclinate and reclinate together. ................................................ 3 2. Calypter white, margin and fringe yellow; mesonotum black, shining. ............ rodendorfii Spencer, 1966 — Calypter grey, margin and fringe black; mesonotum blackish-grey, matt. ............. aenea (Meigen, 1830) 3. Frontal carina distinct, flattened ( fig. 19 ). ....................................................................................................... 4 — Frontal carina absent ( fig. 11 ) or crest-shaped ( fig. 1 ). ................................................................................. 7 4. 3 frontal setae and 3 orbital setae, all strong on equal space from each other. .......................................... 5 — 3 frontal setae and 2 orbital setae, on unequal spaces from each other. ..................................................... 6 5. Calypter and fringe whitish-yellow, margin orange; mesonotum strongly green shining (dorsal view); 4 dorsocentral setae: two strong and 2 short and more slender ( fig. 26 ); frontal setae and orbital setae of various length ( figs 19, 20 ). ........................................................................................................... cuprea sp. n. — Calypter and fringe whitish-grey, margin black; mesonotum black, shining (dorsal view); 2 strong dorsocentral setae; frontal setae and orbital setae equal. ................................................ verbasci Spencer, 1957 6. 2 strong dorsocentral setae, sometimes 2 short additional dorsocentral setae present; calypter and fringe dark grey, margin black; smaller species: wing length <2.2 (2.1) mm, height of head <0.76 (0.7) mm in male and <0.87 (0.75) mm in female. .................................................................... zlobini Pakalniškis, 1997 — 1st dorsocentral setae strong and 2nd dorsocentral seta short and more slender; calypter and fringe beije, margin brown; larger species: wing length> 2.2 (2.3) mm, height of head> 0.77 (0.85) mm in male and> 0.87 (1.0) mm in female. .................................................................................. symphyti Griffiths, 1963 7. Fronto-orbital setulae reclinate and proclinate together ............................................................................... 8 — Fronto-orbital setulae only reclinate. ............................................................................................................ 10 8. 3 frontal setae, 3 orbital setae; space between all fronto-orbital bristles approximately equal; frontal carina absent ( figs 30, 31 )............................................................................................................ pratensis sp. n. — 2 frontal setae, 2 orbital setae; space between frontal setae 2.0–2.5× as big as spaces between neighbouring 2nd frontal setae and 1st and 2nd orbital setae; frontal carina very narrow, crest-shaped. .............. 9 9. Calypter margin yellowish, darker than calypter and fringle; mesonotum black, with bluish tinge; distiphallus triangular-shaped, elongated and narrowing posteriorly (ventral view); arms of basiphallus not connected by crosspiece (Černy, 2015: fig. 83E). ........................................ aeneoventris (Fallén, 1823) — Calypter margin white, as calypter and fringe; mesonotum black with greenish-coppery tinge; distiphallus trapezoid-shaped, widening posteriorly (ventral view); arms of basiphallus are connected by crosspiece posteriorly ( figs 3, 4 ). ................................................................................................... trapezoidea sp. n. 10. Anterior margin of distiphallus protuberant (ventral view) ( Guglya, 2012 : figs 1, 2 )............................. 11 — Anterior margin of distiphallus flattened, concaved or slit-shaped (ventral view) (Černy, 2015: figs 91E, 95E). .................................................................................................................................................................... 12 11. Larger species: wing length> 2.7 mm ; orbit projected above eye in profile more at level of frontal setae; lunula in centre have elongated diamond-shaped hollow; length of basiphallus 1.15× as long as width; mesophallus with parallel margins (ventral view) ( Guglya, 2012 : fig. 2 ). ............ pubescens Hendel, 1923 — Smaller species: wing length from < 2.4 mm ; orbit projected above eye in profile uniformly; length of basiphallus 0.72× as long as width; mesophallus strongly widening anteriorly (ventral view) ( Guglya, 2012 : fig. 1 ). ........................................................................................................... provecta (de Meijere, 1910) 12. Slit of anterior margin of distiphallus asymmetrical, very deep and narrow; mesophallus long, curved leftwards (ventral view) (Černy, 2015: fig. 95E). ................................................... cunctans (Meigen, 1830) — Anterior margin of distiphallus symmetrically concaved, not deep, or anterior margin flattened; mesophallus short, straight (ventral view) (Černy, 2015: fig. 91E, 97E). ........................................................... 13 13. 2 frontal setae, 2 orbital setae, all at equal space from one to another; orbit narrow, slightly shining (frontal view)...................................................................................................................................................... 14 — 2–3 frontal setae, 3 orbital setae, space between neighbouring bristles various; orbit wide, shining (frontal view). ............................................................................................................................................................ 15 14. Both dorsocentral setae strong, but 2nd slightly shorter; anterior margin of distiphallus flattened; arms of basiphallus connected posteriorly by crosspiece; distiphallus wide, its length 1.7× as big as width (Černy, 2015: fig. 91E). ................................................................................................ astragali Spencer, 1976 — 1st dorsocentral seta strong, 2nd dorsocentral seta weak and short; anterior margin of distiphallus concaved; arms of basiphallus not connected posteriorly; distiphallus narrow, its length 2.6× as big as width (Černy, 2015: fig. 97E). ................................................................................................. cuscutae Hering, 1958 15. Calypter and fringe dark grey, margin black; last section of CuA10.66× penultimate; all veins brown; distiphallus with almost parallel lateral margins, uniformly wide, its length 1.9× as big as maximum width; arms of basiphallus not connected by crosspiece posteriorly (ventral view) (Černy, 2015: fig. 113E). ................................................................................................................ submetallescens Spencer, 1966 — Calypter, margin and fringe yellowish; last section of CuA1 0.8× penultimate; Costal vein black, other veins beije; distiphallus strongly narowing posteriorly, wide only in anterior half, its length 1.5–1.6× as big as maximum width; arms of basiphallus connected by crosspiece posteriorly (ventral view)........16 16. Smaller species, wing length from 2.0 mm in male to 2.2 mm in female; very narrow frontal carina presents; mesonotum black, with yellowish-green tinge, strongly shining; fronto-orbital setulae sparse, elongated; orbit projected above eye in profile; mesophallus rounded apically (ventral view) (Černy, 2015: fig. 85E). ............................................................................................................... albocilia Hendel, 1931 — Larger species, wing length from 2.95 mm in male to 3.2 mm in female; frontal carina absent; mesonotum blackish-grey, slightly shining; fronto-orbital setulae thick, in several rows; orbit not projected above eye in profile ( figs 11, 12 ); mesophallus concaved apically ( fig. 13 ). ................. asymmetrica sp. n.