MYCETOPHILIDtfl. 



the subapical vein before its fork ; fork of the subapical vein as far 

 from the base of the wing as the fork of the subanal ; anal vein ex- 

 tending beyond the fork of the subanal. Abdomen long, slender ; 

 second and third segments with testaceous spots on each side ; tip tes- 

 taceous. Legs testaceous, long, slender; tarsi blackish; hind tibias 

 with minute spines and long spurs ; fore tibiae a little shorter than the 

 fore metatarsi. 

 Eare. (E.) 



34. indecisa, n. Testacea, antennis, thoracis disco aut vittis 

 tribus ferrugineis, alis subcinereis, abdomine ferrugineo, segmentorum 

 marginibus posticis testaceis. Long. 2|- ; alar. 4. lin. 



Testaceous. Vertex ferruginous. Antenna3 brown, testaceous to- 

 wards the base. Thorax with a ferruginous disc or with three con- 

 fluent ferruginous stripes. Wings greyish ; veinlets of the prasbrachial 

 areolet forming a right angle, the hind one about live times the length 

 of the fore one, and about twice the length of the subapical vein before 

 its fork ; fork of the subapical vein a little nearer than the fork of the 

 subanal to the base of the wing ; anal vein hardly reaching the fork 

 of the subanal. Abdomen ferruginous ; hind borders of the segments 

 testaceous. Legs long, slender ; trochanters and tarsi brown ; fore tibiae 

 shorter than the fore metatarsi. 



Eare. In the British Museum. (E.) 



35. fungorum, Deg. Ins. vi. 361. 14. pi. 22. f. 1-13 (1783); 

 Latr. -fusca, Meig. ; Mcq. ; Zett. ; Staeg. ; Rs. Nigro-fusca, palpis, 

 antennis basi, halteribus pedibusque testaceis, thoracis lateribus fulvis, 

 alis subcinereis, tarsis fuscis. Long. 2-2^ ; alar. 2-1 3^. 



Blackish-brown. Palpi testaceous. Antennas slender, not longer 

 than the thorax, testaceous at the base. Thorax tawny on each side. 

 Wings slightly greyish ; veinlets of the prasbrachial areolet forming a 

 slightly obtuse angle, the hind one about six times the length of the 

 fore one, and about four times the length of the subapical vein before 

 its fork ; anal vein not extending to the fork of the subanal. Halteres 

 testaceous. Legs testaceous, slender ; tarsi brown ; hind tibiae with 

 minute spines and very long spurs ; fore tibice shorter than the fore 

 metatarsi. 



Common. (E. S. I.) The larva feeds on Boletus fattens. 



36. lateralis, Meig. Zw. i. 266. 13 (1818); Mcq.; Zett. I. L. ; 

 Rs. guttiventris, Meig. ; Stann. ; Staeg. ; Zett. D. S. seriata, Meig. 

 Nigro-fusca aut ferruginea, subtus testacea, antennis basi, thoracis late- 

 ribus, halteribus, abdominis maculis lateralibus trigonis, pedibusque testa- 

 ceis, antennis fuscis, tarsis fuscescentibus. Long, li-lf ; alar. 2-3 lin. 



Blackish-brown or ferruginous, testaceous beneath. Antennae brown, 

 not longer than the thorax, testaceous at the base. Thorax testaceous 

 on each side. Wings very slightly greyish ; veinlets of the pnabrachial 

 areolet forming a slightly acute angle, the hind one about eight times 

 the length of the fore one, and full thrice the length of the subapical 



