90 Phoridae. 



in a sharp, longitudinal lateral margin, the upper sur 

 face partaking in the formation of the disc, hairy and 

 with a long bristle behind, the notopleural suture more 

 or less vanished and the anterior spiracles lying on the 

 dorsal surface. Scutellum sbort and very broad. Wings 

 present and normal in male, in female wanting or short- 

 ened; ocelli, scutellum and balteres only present in 

 winged forms, in the wingless wanting. (The only Euro- 

 pean genus has wing-less, blattid-like females). Myrme- 

 cophilous II. Platyphorinae. 



I. Phorinae. 



Tahle of Genera. 



1. Tibiæ with single bristles, at least middle tibiæ 2. 



— Tibiæ without single bristles, onlj posterior or hind 

 tibiæ generally with a row of bristles or more or 



less bristly hairs 9. 



2. Third vein forked 3. 



— Third vein unforked (in Hypocera irregularis and 

 agilis a very weak anterior branch of the fork is 



present) 7. 



3. Seventh vein wanting or more or less abbreviated, 



the other veins complete 4. Trwpheoneura. 



Seventh vein present and reaching the margin, or 

 when abbreviated also sixth or all thin veins more 

 or less abbreviated 4. 



4. Scutellum with two bristles; tibial bristles some- 



what weak 3. Pamstenophora. 



— Scutellum with four bristles; tibial bristles well 

 developed 5. 



5. Third vein with a row of fine bristles or hairs in 



the whole length 1. Chaetoneurophora. 



— Third vein without bristles or hairs 6. 



6. Middle tibiæ besides a proximal pair of bristles 

 with a well developed anterior bristle in some 

 distance from the apex; fourth vein curved at base; 



abdomen in female with six normal tergites .... 2. Paraspiniphora. 



— Middle tibiæ besides a proximal pair of bristles 

 with a small anterior bristle at apex; fourth vein 

 slightly or not curved at base; abdomen in female 

 without tergal piates on fifth and sixth or only on 



sixth segment 5. Dohrniphora. 



7. Frons rather narrow, narrowest in the male, with 

 a middle furrow; eyes large, bare; middle tibiæ with 



several dorsal bristles, at least with two 8. Phora. 



— Frons broad, without middle furrow ; eyes of usual 



