1899] ENTOMOLOGICAL NEWS. 33 



Habitat : Seattle. Washington. March 1'i.to June !.">. IS'.IS. 

 raptured on a basement window. 



In this species the bifnreat ions of 1 he veins are so obscureh 

 indicated that it was difficult to place pMierieallv : the ante 

 rior bil'nrcatioii is very close to the apex of the \vin<; and the 

 posterior one quite close to the base. The win^s are folded 

 rool'-like in repose. 

 Pericoma sitchana, n. sp. 



Body black, clothed with <:T,IV luiir. Le^> lilack, clotlicd with 

 "ray hair and scales. W in.u-> o\ 'ate. broadly rounded at the tip. the 

 tirst simple nervnre terminating just before the a]>ex : bifurcation- 

 c(|iiidistant t'roin the luse of the wiiiir: hair upon the veins mixed 

 lilack and -white, the black beinjr most proiionuced at the apice- 

 of the veins and at the hifmvat ions ; lei-.irth of winir -2.:> mm.: fringe 

 irny. with a patch of white at the apex. Antennas one-half as long 

 a* the width of the wing. ](i-joii;ted : joint 1 cylindrical : joint _' 

 lav^c. "'lobular: joints .VKi globular, separated l>> vci-y ,-hort jtedi 

 eels, the nodes sparsely clothed with <ray hair, (ientalia not con- 

 -picnous, black, clothed with Tay liair. 



Habitat : Sitka. Alask;;. July 1L'. 1S'.7. 



Pericoma triloba, n. >p. 



IJod\ brown, densely clothel with jrray hair. \Vin^ hroadly 

 ovate, not <|iiite twice as lonj>- as broad, ape x di-tinctiy pointed, es 

 actlyat end of tirst simple nervure. clothe. 1 with yray hair upon 

 the v..'in.>: fringe dark i- ray : length of Avinii' :> mm.: posterior bifur- 

 cation much nearer the h:i-e of the win.ir th.in the anterior one. 

 I. en- In-own, clothed \\ ith :ray hair and scales. Antenna' one-halt' 

 a> lony as the widtli ot the \\iiir. not much longer than tin- maxil- 

 lary palpi: 17-iointed: joint I moderately lar.u'e: joint Jexiremcly 

 lar<i'e. su!)i'loliose toward- apex, ch.thed with scattered M'horN of 

 loiiji- i"iy hair: joint 17 minute. Ventral plate hroad at ha>c 

 rmar-i-inatc laterally ant' termiiiatiii"' in three di-tinct lobes: ovi- 

 positor yellow, -liirhtly curve 1. 



(ientalia incon-picuon.-. \ cry hairy. h.ferior appenda.iio _' 

 jointed : joint 1 lai-.ii'e and stout: joint _' -hoi-t. cylindrical, curving 

 towards the apex, which i- hroadly and obliquely truncate. Supe- 

 rior appendages l-jointed. <hort. -traiyht. taperiim' from the ba-e to 

 an acute point. 



Habitat : Seattle. Washington. Numerous s|)ecimens \\ere 

 secured in a railroad culvert situated on the campus of the 

 university. March I '_' to ,1 line 1. 1S!>S. 

 Pericoma variegata. n >p. 



Body bhi''k. clothed \\ilh white hair, excepi a -mill patch of 

 black hair near the ba.-e ot the win^. Le:>> black, clot lied with 

 black and white hair. AVin^s rather acutely rounded at the tip. 

 more than twice a? long as broad: hair upon the veins deep black. 



