NEW NORTH AMERICAN DIPTERA—COQUILLETT. 



the others brown, the lateral ones on first four veins and upper branch 

 of the fifth ver}^ narrow and elongate, petiole of first submarginal cell 

 al)out half the length of that cell, crossvein at apex of second basal 

 cell about its length from the one above it; halteres ^yellow, the knobs 

 l)rown; length, 6 mm. Two females collected })y Dr. flames Fletcher, 

 for whom this unique species is named. 



Ilahitat. — Carndutf, Assiniboia, British America 



Tyj)e.—Q2it. No. 6255, U.S.N.M. 



CULEX SQUAMIGER, new species. 



Head and its members black, middle of prol)oscis brownish, scales 

 of occiput mixed golden and pale 3'ellow, many black ones along the 

 eyes, palpi black scaled, those at base, before the middle and at apex 

 white; bod}" black, scales of middle of mesonotum golden brown, those 

 along the sides and on the pleura pale j^ellow, bristly hairs of thorax 

 mostly black, those of scutellum chiefly yellow; scales of abdomen 

 black, a large patch at base of each segment and several scales scattered 

 over the remainder pale yellow, scales of venter pale yellow; femora 

 and tibiai brown, the scales mixed black and yellow, not forming dis- 

 tinct bands, posterior side of the femora yellow and yellow scaled; 

 tarsi l)lack, the scales mixed black and yellow, a l)and of whitish scales 

 at bases of the last four joints, claws toothed; wings hyaline, veins 

 yellow, densely covered with rather broad mixed brown and whitish 

 scales and with many very narrow ones in the apical third of the wing, 

 petiole of first sul)marginal cell about two-thirds as long as that cell, 

 crossvein at apex of second basal cell less than its length from the one 

 above it; halteres j^ellow, the knobs marked with brown: length, 5 mm. 

 Four female specimens. 



Ilahitat. — Palo Alto (V. L, Kellogg), and San Lorenzo (G. Eisen), 

 California. 



Ttjjje.—Csit No. 6256, U.S.N.M. 



Family CHIRONOMID.E. 



CERATOPOGON GLABER, new species. 



Black, knob of halteres white, abdomen yellowish l)rown, scutellum 

 and h»gs yellow, apices of hind femora, of all tibia^ and joints of tarsi, 

 also an annulus near middle of front til)i{e, black, bases of front femora 

 and an indistinct annulus bej^ond the middle pale brownish; eyes nar- 

 rowly separated on the front, mesonotum opaque, whitish pruinosc 

 and with a brown median vitta, abdomen spatulate, somewhat opaque, 

 narrow hind margins of the segments yellowish; legs slender, not 

 spinose, first joint of hind tarsi nearh" twice as long as the second, the 

 last one nearl}' twice as long as the fourth, the claws large and of an 

 equal size; wings bare, whitish, third vein reaching to six-sevenths 



