142 GENERIC SYNOPSIS. 
A. errans Meig. to the s. g. Trennia, A. signata Meig. to Phaonia R. D., 
A. pallida Fab. and testacea Fub. to Rohrella R. D., A. pagana Meig. to 
Mydea R. D., A. urbana Meig. to Fellea R. D., and A. impunctata M. 
and modesta M. to Aricia R. D. 
SPILOGASTER Meg. Antuomyt1a Meig. 8 sp. M. quadrum Fab. 
Style of antenne with short hairs; abbomen ¢ generally oblong and setose, 
second and third segments marked with four spots; alulets rather large. Harr. 
Exp. pl. 43. f. 62. 
Obs. M. uliginosa Fall. belongs to the s. g. Rohrella R. D., A. pertusa 
Meig. to Helina R. D., A. quadrum Meig. to Mydina R. D. 
HYDROPHORIA Meg. Aricinm urrorates Rk. D. 31 sp. M. nigrita Fall. 
Style of antenne setose; abdomen cylindric-conic, penultimate segment armed 
beneath with two elongate appendages ; alulets of moderate size. 
HYDROTAA* Desy. Anruomy1a Meig. 14 sp. M. meteorica LL. Curt. 768. 
Style tomentose; abdomen oblong-ovate, without appendages ; anterior femora 
g with one or two strong teeth, posterior with a strong spine; middle legs 
longest. 
Obs. HH. palpata is the type of the s. g. Blainvillia R. D., having un- 
armed femora. 
OPHYRA Meg. Antuomyia Meig. 15 sp. A. leucostoma Meig. 
Style of antenne naked; frontal sete short; abdomen oval g very setose, 9 
naked ; thighs rather thick ; alulets moderate-sized ; transverse nerves near to- 
gether. 
LIMNOPHORA Meg. Antuomyia Meig. 8 sp. M. compuncta Meig. 
Style of antenne tomentose ; abdomen oblong, not appendiculated ; alulets mo- 
derate; legs simple. 
LISPE Meig. Musca De Geer. 3sp. M. tentaculata D. G. Meig. pl. 45. f. 15. 
Head spheroidal ; palpi spatulate; style of antenne with the upper sete longer 
than the lower; forehead broad in both sexes ; alulets moderate-sized. 
HYLEMYIA Meg. Hytemyp# Rk. D. 15 sp. A. hilaris Meig. 
Alulets small; abdomen cylindric ; penultimate segment with two appendages 
beneath ; style of antenne mostly setose ; wings with a stigma. 
Obs. OO. hilaris belongs to the s. g. Delia R. D., A. Cardui Meig. to the 
sg. Egeria R. D. 
DRYMEIA Meig. Musca Fall. 2sp. D. obscura Meig. 
Proboscis rather exserted, with long, slender, elbowed lips; style of antennz to- 
mentose ; abdomen cylindric, villose; alulets small. 
CHORTOPHILA Mcq. Anruom. HERBICOLA R. D. 2 sp. A. Sepia Meig. 
Head thick; antenne not reaching the epistome; style tomentose or naked ; 
abdomen cylindric ; alulets small ; wings without a stigma. 
ATOMOGASTER Mcg. Azeuvm R. D. 19 sp. A. triquetra Meig. 
Antenne not reaching the epistome; style naked; abdomen narrow, cylindric ; 
anus bicarinated 9; alulets small; stigma wanting. 

* « Meigen is surely inerror in attaching so much importance to the hairy eyes 
as to separate occulta from this genus, of which it has all the characters; even H. 
ciliata has eyes evidently pubescent in g.” (Haliday MSS.) 
