[133] HYMENOPTERA 139 



Genus Dolichocrabro Ashmead. 



DOLICHOCRABRO WICKHAMI sp. nov. 



Male. Length 6.5 to 7 mm. Form elongated and narrowed ; 

 black and shining ; antennal tubercles, a line on front femora and the 

 tarsi, except the last joint, rufo-piceous ; tibial spurs whitish ; clypeus 

 anteriorly obtusely triangular and clothed with a dense silvery pubes- 

 cence ; flagellum with a fringe of short white hairs beneath ; ocelli 

 honey-yellow. 



The head and thorax are delicately punctate ; a grooved line extends 

 forward from the front ocellus ; supraorbital foveaB are indicated by 

 scars above the eyes ; the last joint of the antennae is slightly arcuate 

 and pointed at apex within ; pronotum with a median groove or notch ; 

 mesonotum with a median longitudinal line on the anterior half and an 

 abbreviated line on each side of it anteriorly ; the mesopleural furrow, 

 the furrows of the metathoracic enclosure and its middle furrow are 

 crenate. Wings hyaline, the stigma and veins brown. Abdomen 

 elongate, subcylindrical, about twice the length of the thorax, polished, 

 but the second and third dorsal segments under a strong lens, show 

 fine, close, delicate transverse aciculations. 



Type. Cat. No. 5742, U. S. Nat. Museum. From Wrangell (H. 

 F. Wickham). Two specimens. 



Family PEMPHREDONIDJE. 

 Genus Passalcecus Shuckard. 



PASSALCECUS CUSPIDATUS Smith. 



Passalcecus cuspidatus SMITH, Cat. Hym. Brit. Mus., iv, p. 427, $, 1856. 

 CRESSON, Syn. Hym. North Am., p. 283, 1883. CRESSON, Syn. Hym. 

 North Am., p. 283, 1887. Fox, Trans. Am. Ent. Soc., xix, p. 321, 

 1892. DALLA TORRE, Cat. Hym., vm, p. 368, 1897. ASHMEAD, 

 Can. Ent., xxxi, p. 223, 1899. 



Type in British Museum. From Wrangell (H. F. Wickham). The 

 species is also found in British Columbia (Hudson Bay Territory) and 

 in Colorado. 



Genus Mimesa Shuckard. 



MIMES A PROPINQUA Kincaid. 



Mimesa propinqua KINCAID, Proc. Wash. Acad. Sci., u, p. 508, cT, 1900. 

 Type. Cat. No. 5314, U. S. Nat. Museum. From Fox Point, 



July 28. 



