70' <:x^ ^-^^^^>^ ^^ a^^^Ct^ 



Genus HYALOMYBUES Town. 



r 



Hj/alomyodea Townsend, Psyche, Vol. Vy]}. il't); April, 1S93. 



Our single species is black/the palpi^yellow; eyes of male almost 



contiguous, but iu the female^eimrated at l -e a s t ono and o u o ha tf^twt^s 



4r lio width of the k i wcot ocellutv ; abdomen on hist Jbliiee segments, gray 



pollinose, the second and third segnients ^^ i^ielcffliale each bearing a 



\ Gs> • P'^'i" ^^ large triangular black simtsjAmTfistinct or wanting in the male; 



, . front pulvilli of fiSinale less than two-tliirds as long as the last tarsal 



Maryland; Tifton, Ga., and Colorado. (Dipt. Amer. Sept. 

 Indig., Centuria lY, No. 85: 1803: Ilt/idonij/id. I[j/aIo)nyo<h'S iceedii 

 Townsend, Psyche, Vol. A^I, p. 430; April, 1893.) Jf'! tri<()i(/ulij'era Loew. 



cv j<»^)oint; length, 4 to 5 mm. Wliite Mountains, X. H. ; New Bedford, 

 s^f^^f^ Mass.; Maryland; Tifton, Ga., and Colorado. (Dipt. Amer. Sept. 



Genus (ESTROPHASIA Br. and Berg. 



(Estropliasia Braner auil Bergenstaram, Zweif. Kais. Mus. Wicn, IV, p. 145; 18Stt. 



Phasiopieryx Braner and Bergeustamm, loe. cit., p. 140. 



Neojilera vnn der Wulp, Biol. Ceut.-Amer., Diptera, Vol. II, p. 165; .Iiiue, 1890. 



Ceiiosoma van der Wiil]>, loc. oit., ]). 166. 



Euastropliasia Townsend, Traus. Amer. Ent. Soc., Vol. XIX, p. 133; .Juue, 1892. 



The synonymy of the last two with QEstrophasia, and of Neoptera 

 with Phasioi)teryx, has already been given by Braner and Bergeu- 

 stamm.' Phasiopteryx is not sufticiently distinct from tEstropliasia to 

 be retained as a distinct genus. Our species have three postsutural 

 and two steruopleural macrochictte : 



1. Wings destitute of brown markings .C/jC.- .'as<v*>*A»W< />>.4**-**^4'(S'i<.. . 3. 

 Wings distinctly marked with brown 2. 



2. Discal cell crossed by a brown crossband, hind crossvein not wholly 



bordered with brown, a brown border to the fifth vein and a 

 brown crossband, beyond the discal cell; yellow, an ocellar dot 

 and usually from one to three spots or a fascia on hind margin of 

 each segment of the abdomen, and sometimes one or more on the 

 thorax, black ; length, 1 to o mm. Toronto, Canada ; Franconia, 

 N. II. ; Philadelphia, Pa., and Florida. (Bio]. Cent. Amer., Dip- 

 tera, Vol. II, p. IGT; Juue, 1890: Cenosoma.) . .sif/nifem v. d. W. 

 Discal cell not crossed by a brown crossband, hind crossvein bor- 

 dered with brown, second basal and anal cells, ami wing in 

 front of third vein from humeral to slightly beycmd small cross- 

 vein, also a brown crossband extending over the hind crossvein 

 and bordering the fifth vein excoj^t near base of discal ceil, 

 brown ; yellow, the upper part of the occiput sometimes blackish, 

 thorax sometimes black dorsally, or with two vitta^ and an ante- 

 rior spot black; abdomen with the hind margin of each segment 



'Zweif. Kais. Mus. Wicn, Vl, pp. 218 aud 2.34; 1893. 



