244 ENTOMOLOGICAL SOCIETY 



Family HYDROPSYCHID^. 

 Polycentropus, sp. 



Four specimens from Santa Rita Mountains, May and 

 (Schwarz). 



It is probably a new species. 

 Hydropsyche divisa, n. sp. 



Head black ; face with silvery hair ; vertex with erect black hair ; behind 

 with white hair; antennae brown, ringed with white; thorax black, with 

 appressed white hair in the middle ; abdomen brown ; legs pale yellowish, 

 darker above at tips of tibiae, and the tarsi often marked with brown ; 

 spurs yellow. Wings brown, marked with some small white patches; just 

 before the pterostigma is a white band extending back to the median vein, 

 broadest on the costa ; and from the arculus there extends forward a nar 

 row curved white band, nearly touching the other one, so that the wing 

 is nearly divided by a white band bej r ond the middle. Sometimes there 

 are indications of another white band halfway from this one to the base. 

 Beyond the band the wing is paler than before, with more pale hairs. 

 The fringe around the tip is blackish at tips of veins and yellowish be 

 tween. Hind wings are fumose, with blackish fringe and venation. 



Structure similar to other small species; the hind tibia; are sparsely 

 fringed on the posterior side. 



Lenigth, 7 mm. 



Several specimens from Salt river, April 10 (Oslar). 

 Type. In the author's collection. 



Family LIMNEPHILID^. 

 Anabolina, n. gen. 



A Limnephilid; peculiar in that the female has but three spurs on the 

 hind tibiae, while the male has four; a condition unknown so far in this 

 family. Three spurs on middle tibine. Anterior wings rather slender, 

 lightly rounded at tip; in hind wings the fourth apical cell is narrow at 

 base, the fifth quite broad; the discal cell rather longer than apicals. In 

 fore wing the discal cell is very long; the pterostigma is quite distinct, 

 and the radial vein is bent close by. Ocelli moderately large; two trans 

 verse warts on vertex; basal joint of antennae rather short; prothorax 

 extremely short; anterior tarsi of male not elongated. 



Type: A. diver sa Banks. 



In the present condition of the classification of the Limnephili- 

 daB this must be a separate genus ; but the spur formula is not a 

 sure criterion and I hope it may soon be displaced by some better 

 character, drawn perhaps from the chaetotaxy of the head and 

 thorax. 



Anabolina diversa, n. sp. 



Face pale, with golden hair, and black bristles on the sides; vertex 

 brownish, with some short white hairs, a few black bristles behind each 



