18 MYCETOPHILIDjE. 



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.) 



22. tricolor, Mcq. D. i. 131. 14 (1834); Meig. ; Stasg. ; Zett. 

 Fusca, palpis pectore halteribus pedibusque testaceis, antennis nigris, 

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



'Brown. Palpi testaceous. Antennae black, stout, shorter than the 

 thorax. Pectus testaceous. Wings nearly limpid ; veinlets of the prse- 

 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. Legs testaceous ; tarsi brownish ; hind 

 tibia3 with a few spines, their spurs long ; fore tiUce full as long as the 

 fore metatarsi. 



Not common. (E.) 



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

 gra, subtus testacea, antennis nonnunquarn fuscis basi testaceis, alis 

 limpidis aut subtestaceis, halteribus pedibusque testaceis, abdominis 

 segmentis saspe testaceo fasciatis, tarsis fuscis. Long. li-l ; alar. 

 2-2 lin. 



Black y with hoary tomentum. Palpi testaceous. Antennas 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 prasbrachial 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 two-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 tibias with a few minute spines ; 

 fore tibia much longer than the fore metatarsi. 



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

 black. Antennas brown, as long as the thorax, testaceous at the 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. ; Sta3g. ; Zett. 

 Nigra, cinereo-subtomentosa, alis subcinereis apice obscnrioribus, halte- 

 ribus pedibusque testaceis, tarsis fuscis. Long. 1| 2 ; alar. 2f lin. 



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

 Palpi and antennas black, the latter twice the length of the thorax. 

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

 subanal veins slight ; veinlets of the prsebrachial areolet forming an 

 obtuse angle ; the hind one is full twice the length of the fore one, 

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



