Mythicomyiidae, Melander, 1902

Evenhuis, Neal L. & Kettani, Kawtar, 2018, Genera of Mythicomyiidae (Insecta, Diptera) new to the fauna of Morocco, with descriptions of new species, Zootaxa 4429 (2), pp. 348-356 : 348-349

Key to Genera of Mythicomyiidae of Morocco

Genera in square brackets are not yet recorded from Morocco but are included in the key since their presence in nearby countries makes their eventual collection or observation in Morocco a good possibility.

1. Wing with vein R2+3 present (either ending in R1 forming a small triangular marginal cell or ending in the costa beyond the end of R1).............................................................................................. 2

- Wing vein R2+3 absent.................................................................. Empidideicus Becker

2. Wing veins R4+5 and M1 converging or parallel at wing margin; costa ends near or at M1............................ Leylaiya Efflatoun

- Wing veins R4+5 and M1 diverging at wing margin; costa ends at or near vein R4+5................................... 3

3. Wing vein R2+3 very short, ending in R1 and forming a small triangular marginal cell................................ 4

- Wing vein R2+3 long, ending in costa beyond end of R1........................................................ 5

4. Abdominal tergite I completely sclerotized, without membranous area medially; vein present separating cells br and bm.................................................................................. Mythenteles Hall & Evenhuis

- Abdominal tergite I sclerotization interrupted medially; cells br and bm confluent, no vein present separating them................................................................................................ Glabellula Bezzi

5. Discal cell closed apically by crossvein................................................................... 6

- Discal cell open distally, not closed by crossvein........................................................... 7

6. Occiput produced below as a result of extension of either a ventral sulcus or ridge extending from posterior portion of oral margin; oral margin extending posteriorly below eyes......................................... Cyrtisiopsis Séguy

- Occiput not produced posteroventrally; oral margin not extending posteriorly below eyes............. [ Platypygus Loew ]

7. Occiput produced below as a result of extension of either a ventral sulcus or ridge extending from posterior portion of oral margin; oral margin extending below eyes.............................................. [ Cephalodromia Becker ]

- Occiput not produced posteroventrally; oral margin not extending below eyes......................... Cyrtosia Perris