18 MYCETOPHILIDiE. 



Var. /3. Thorax and abdomen blackish-brown ; fore part of the thorax 

 ferruginous. Abdomen black towards the tip; its testaceous bands 

 narrower above. 



Common. (E. S. I.) 



33. bicolor, Mcq. D. i. 131. 14 (1834); Meig. ; Stseg. ; Zett. 

 Fusca, palpis pectore halteribus pedibusque testaceis, antennis nigris, 

 alls sublimpidis, tarsis fuscescentibus. Long. 1 ; alar. 2 lin. 



Broivn. Palpi testaceous. Antennae black, stout, shorter than the 

 thorax. Pectus testaceous. Wings nearly limpid ; vemlets of the prae- 

 brachial areolet forming a right angle, the hind one about four times 

 the length of the fore one, and a little shorter than the subapical vein 

 before its fork ; anal vein extending much beyond the fork of the sub- 

 anal. Halteres testaceous. Ivegs testaceous ; tarsi brownish ; bind 

 tibite with a few spines, their spurs long ; fore tibice full as long as the 

 fore metatarsi. 



Not common. (E.) 



23. discoidea, Meig. Zw. i. 263. 17 (1818) ; Mcq.; Stseg. Ni- 

 gra, suhtus testacea, antennis nonnunquam fuscis basi testaceis, alis 

 limpidis aut subtestaceis, halteribus pedibusque testaceis, abdominis 

 segraentis s^pe testaceo fasciatis, tarsis fuscis. Long. 1^-1^ ; alar. 

 2-3| lin. 



Black, with hoary tomentum. Palpi testaceous. Antennae rather 

 stout, not longer than the thorax, testaceous for one-third of the length 

 from the base. Thorax with a slight testaceous spot on each side in 

 front. Wings limpid ; veinlets of the pra^brachial areolet forming a 

 right angle, the hind one full thrice the length of the fore one, and as 

 long as the subapical vein before its fork ; anal vein extending to the 

 fork of the subanal. Halteres testaceous. Abdomen testaceous on each 

 side, and beneath for ttoo-thirds of the length from the base; tip testa- 

 ceous. Legs testaceous, rather stout ; tibia) darker than the femora ; 

 spurs very long ; tarsi brown ; hind tibiae with a few minute spines ; 

 fore tibia much longer than the fore metatarsi. 



Var. /3. Testaceous. Llead above and disc of the thorax greyish- 

 black. Antennae brown, as long as the thorax, testaceous at tlie base. 

 Wings with a very slight testaceous tinge. Abdomen greyish-black, 

 testaceous beneath and along the hind borders of the segments. 

 Not common. (E.) 



24. sciarina, Meig. Zw.vi. 300. 40(1830); Stann.; StsBg. ; Zett. 

 Nigra, cinerco-subtomentosa, alis subcinereis apicc obscurioribus, halte- 

 ribus pedibusque testaceis, tarsis fuscis. Long. 1-|— 2 ; alar. 2^ lin. 



Black, slightly covered with grey tomentum, darker at the tips. 

 Palpi and antenna) black, the latter twice the length of the thorax. 

 Wings greyish ; radial and cubital veins very distinct ; subapical and 

 subanal veins slight ; veinlets of tlic praobrachial areolet forming an 

 ol)tusc angle ; tlie hind one is full twice the length of the fore one, 

 and a little shorter than the subapical vein before its fork ; anal vein 



