168 D. W. COQUILLETT. 



11. Anthrax inolitor Loew.— Differs from mucorea in that the last seg- 

 ment iu the male is never silvery tomentose, pile of dorsum of abdomen more 

 erect and abundant, antecostal cell sometimes silvery-white tomentose, black 

 pile on its front border more abundant, epistoma considerably retreating. 

 Length 7-17 mm. 



Califoniiii !, Arizona I, Colorado. Forty-seven specimens. 



Var. i>retio««a u. var. — Has the pile and tomeutum of thorax and abdomen 

 deep golden-yellow, black pile on sides of fifth and sixth abdominal segments 

 sparse or wanting, and the legs largely or wholly black. Length 10-14 mm. 



California ! Thirteen specimens. 



Var. vacaiis n. var. — Differs from the typical molitor in having numerous 

 black pile on the breast in front, and also at the apex of the al)domeu ; sides of 

 fifth and sixth abdominal segments wholly black pilose. Length 16 mm. 



Washington Territory ! A single female specimen (Williston). 



Specimens of the European Anthrax flava received from Herr V. 

 von Roder agree in nearly every respect with A. molitor, except that 

 tlic bristles on hind margin of scutellum are black instead of yellow. 



12. Anthrax turbata n. sp. — Differs from nmcorea as follows : Legs black ; 

 epistoma consideiably produced ; proboscis not projecting ; tomentum of thorax 

 and scutellum wholly yellowish, bristles of scutellum and pile of front part of 

 breast black ; tomentum on apex of first segment of abdomen white ; pile of sides 

 of first segment abundant, white ; of the other segments and dorsum of last 

 three -segments very sparse and mostly black ; last segment in the male destitute 

 of silvery-white tomentum; venter (apparently) wholly yellowish tomentose; 

 front edge of antecostal cell destitute of black pile. Length 6 mm. 



California ! Two specimens. 



13. Anthrax i>robO!>«ci<lea Loew.— Black, the legs and antennse some- 

 times largely reddish. Front white tomentose, the upper part yellowish tomen- 

 tose, black pilose; face considerably produced below, white tomentose in the 

 middle, the sides yellowish tomentose; proboscis projects half its length beyond 

 epistoma; first two joints of antennic of nearly an equal length, third joint 

 subglobular at its base, the styliform portion slender, linear and longer than the 

 rest of the antennsE ; occiput yellowish tomentose. Thorax yellowish tomentose, 

 front end yellowish pilose, sides yellowish and black pilose, bristles of hind an- 

 gles black ; pleura yellowish and black pilose, breast and coxse largely black 

 pilose ; scutellum yellowish tomentose, bristles black. Abdomen yellowish to- 

 mentose, that on last segment white; pile of sides of abdomen abundant, black ; 

 that on sides of first two segments and in front angles of the other segments 

 white ; venter yellowish tomentose. Legs yellowish and black tomentose, front 

 tibisB provided with bristles, claws of front tarsi well developed. Wings hyaline, 

 costal cell brownish, the following spots brown ; one in middle of first basal cell ; 

 in middle of marginal cell and a larger one in outer end of this cell extending 

 across first submarginal cell, covering vein at base of second submarginal cell; 

 one on veins at base of each posterior cell, of first submarginal and of discal cell ; 

 one near tip of second vein and another near tip of anterior branch of third 

 vein; extreme base of marginal and of first and second basal cells also brown. 

 Length 6 mm. 



Arizona !, Mexico. A single specimen, somewhat rubbed (Keen). 



