Mr. F. W. Edwards’ Notes on British Mycetophilidae. 343 
52 
53 
54. 
57. 
58. 
59. 
Se, not reaching middle of basal cell or if rather longer not 
ending in R, pariart lc BS Pee Pico Fh Sate 5b. 52. 
. Cu, and Cu, obviously divergent in their terminal portions ; 
tibial setae nearly always weak; wings generally un- 
marked) ro (ids tm By lans Cit treT eee Grane t- SS: 
Cu, and Cu, parallel or siahety convergent in their terminal 
portions; tibial setae strong and conspicueus; wings nearly 
always spotted then cai neh ers we hel 159: 
Base of fork of Cu nearer apex at wing than that of M; tibial 
setaealwaysweak. .  . A ace ae is . 54, 
Base of fork of Cu nearer base of wing than that of M; if not, 
then with strong tibial setae ger deer Seared 5D; 
R, slightly indented at origin of R,; M forks iene origin of R. 
Puronta, Winn.* 
R, straight except towards tip; M forks before origin of R, 
Exrecura, Winn. 
Anal vein long and conspicuous. lt : @ ope 36: 
Anal vein short and inconspicuous or alltagéthet wanting . 57. 
Base of fork of Cu nearer apex of wing than that of M; tibial 
setae strong; wings with dark clouds © DynaTosoma, Winn. 
Base of fork of Cu nearer base of wing than that of M; tibial 
setae weak; wings unmarked ‘ ‘ . Raymosia, Winn. 
A very long vein-like fold simulating the anal vein, lying close 
up against Cu and extending nearly to the middle of the fork 
BracHyPEzA, Winn. 
This fold if present at allis very much shorter AtLLopia, Winn.t 
R, and R, closely approximated to one another and to the costa 
Scepronta, Winn. 
R, and R, not closely approximated to one another or to the costa 
ZyGcomyta, Winn, 
Male genitalia not enlarged; female without distinct setae on 
the ventral side of the sixth abdominal segment 
Myceropuina, Mg.t 
Male genitalia very large; female with a few setae on the ventral 
side of the sixth abdominal sezment OPISTHOLOBA, Mik 
Boutropwita, Mg. 
Fee Cndinmim theeastay. 6 i a el wD, 
R,+,endingin R,_ . : : ‘ ‘ : : : be Os 
* Including Telmaphilus, Beck. 
‘i Including Brachycampla, Winn. 
2 Including Mycothera, Winn. 
‘ 
