Handbook of Medical Entomology

by William A. Riley; O. A. Johannsen

hh. Last section of R₄₊₅ with a gentle curve ([fig. 102]).

i. Eyes pilose.

j. Claws in the male somewhat elongated; no orbitals in either sex; antennæ separated at the base by a flat carina; abdomen marked with red or yellow. G. maculata. Europe and America. Graphomyia R. D.

jj. Claws short and equal in the two sexes; two or three stout orbital macrochætæ in the female; R₁ scarcely produced beyond the r-m crossvein; eyes contiguous in the male. P. obsoleta. Brazil. Phasiophana Br.

ii. Eyes bare; fronto-orbital macrochætæ in a double row, antennæ contiguous at the base.

j. One or more pairs of well developed anterior inner dorsocentral (acrostichal) macrochætæ; seta on extensor surface of hind tibia. M. assimilis, stabulans, etc. Europe and America. Muscina R. D.

jj. Anterior inner dorsocentrals and the setæ; on the extensor surface of the hind tibia wanting. M. micans, etc. Europe and North America. Morellia R. D.

ff. Squamula thoracalis not broadened mesad and caudad, not reaching the margin of the scutellum; macrochætæ on extensor surface of the hind tibia wanting.

g. Eyes pubescent. M. meditabunda. Europe and America. Myiospila Rdi.

gg. Eyes bare; R₁ ends before the middle of the wing. A number of species from the tropics of both hemispheres. Clinopera V. d. W.