38 MYCETOPHILID^E. 



greyish; subcostal veinlet opposite the middle of the first cubital 

 areolet, which is rather large, not clouded, with slightly acute fore an- 

 gles, and slightly obtuse hind angles. Abdomen black, with a testa- 

 ceous band on the hind border of each segment. Tarsi brown ; hind 

 tibiae with minute spines and moderately long spurs. 

 Common. (E.) 



5. hilaris, n. Testacea, vertice, antennis, thoracis vittis tribus ab- 

 dominisque fasciis nigris, alis sublimpidis, trochanteribus tarsisque ni- 

 gricantibus. Long. 2^-3 ; alar. 5-6 lin. 



Testaceous. Vertex black. Antennas black, testaceous at the base. 

 Thorax with three black stripes, the lateral pair shortened in front. 

 Wings nearly limpid ; subcostal vein joining the costa ; its veinlet op- 

 posite the middle of the first cubital areolet ; the latter is of moderate 

 size, with slightly acute fore angles and equally obtuse hind angles. 

 Abdominal segments with black bands. Trochanters and tarsi blackish ; 

 hind tibiae with very minute spines and moderately long spurs. 



Much resembles S. marginata, but may be distinguished by the 

 unclouded first cubital areolet. Not common. (E.) 



6. congrua, n. Nigra, palpis fulvis, thoracis maculis duabus anti- 

 cis scutello pectoreque ferrugineis, alis subcinereis, halteribus pedibusque 

 testaceis, tarsis nigricantibus. Long. 2i ; alar. 4-1- lin. 



Black. Palpi tawny. Antennae ferruginous at the base. Thorax 

 with a ferruginous spot on each side in front. Scutellum and pectus fer- 

 ruginous. Wings greyish ; subcostal veinlet a little beyond the middle 

 of the first cubital areolet; the latter of moderate size, not clouded, 

 with slightly acute fore angles and equally obtuse hind angles. Hal- 

 teres testaceous. Legs testaceous, long; tarsi blackish; hind tibiae 

 with minute spines and moderately long spurs. 



Not common. (E.) 



7. trivittata, Zett. I. L. 858. 2 (1840). Cinerea, subtus cana, 

 palpis, thoracis maculis duabus anticis, halteribus, ventre pedibusque 

 testaceis, alis subcinereis, tarsis nigricantibus. Long. 2^-; alar. 5 lin. 



Grey, hoary beneath. Vertex black. Palpi testaceous. Antennae 

 black, testaceous at the base. Thorax with a testaceous spot on each 

 side in front. Wings slightly greyish ; subcostal veinlet before the 

 middle of the first cubital areolet, which is rather large, not clouded, 

 rectangular on the apical side ; the fore basal angle slightly acute, the 

 hind one slightly obtuse. Halteres testaceous. Abdomen testaceous 

 beneath and along the hind borders of the segments on each side. Legs 

 testaceous, long, slender ; tarsi blackish ; hind tibiae with minute spines 

 and moderately long spurs. 



Not common ; appears in May. (E.) 



8. annulata, Meig. Zw. i. 247. 4 (1818); ~R$.annulata, var. b ? 

 Staeg. incisurata ? Zett. Testacea, antennis thoracisque fasciis tribus 



