Vol. XXvii] ENTOMOLOGICAL NEWS. I5I 



Type. — $ , Oak Creek Canyon, Arizona, 6000 ft. alt., Aug- 

 ust, (F. H. Snow), [University of Kansas Collection]. 



Paratypcs. — 5 $ , 15 ? , topotypical. 



Belonging to the bituberctdata-group, and distinguished 

 from its congeners by the clear wings and tawny tibiae and 

 tarsi. The entire surface in general obscured by the sparse but 

 distinct coating of gray pollen. 



Ephydra niveiceps n. sp. 



Similar to E. subopaca Lw. 



$ . Black ; metallic green ; halteres, knees, bases of tibiae, tarsi ex- 

 cept apices, tawny. 



Opake, gray or whitish; frons polished, with gray orbits; mesonotum 

 subopake with metallic tinge, with broad more whitish median stripe; 

 abdomen more obscured but metallic color evident. Face and cheeks 

 glistening silvery or snowy white when seen from above. 



Frons nearly horizontal ; prefrontal bristles well developed, nearly 

 equalling frontal orbitals. Face in profile, projecting greatly, nearly 

 equalling horizontal diameter of eye ; parafacialia broad, at least one- 

 half length of third antennal joint in width; bristles normal; cilia of 

 posterior orbits normal. Mesonotal acrostichals in well defined series 

 anteriorly; posterior margin of mesopleuron with only 4-6 bristles. 

 Abdominal segment 5 not longer than 4; genitalia not noticeably de- 

 veloped. Length 5.0 mm. 



9 . Similar, but the gray face not so glistening. 



Type. — $ , Wawawai, Washington, [A. N. S. P. No. 6105]. 



Paratypcs. — i $ , topotypical. 



I have also seen a series of 3 males, i female, from 40 miles 

 north of Lusk, Wyoming, July, 1895, [Kansas Univ. Coll.], 

 and a female from Manitou Park, Colorado, [Kans. Univ. 

 Coll.]. 



This may possibly be only a variety of E. subopaca Lw. or 

 of B- milbrac Jones. The general gray color, not brown; the 

 snowy white projecting face ; the broad facial orbital areas 

 and seriated acrostichal setulae are noticeable in the material 

 before me, as dififering from the above mentioned species. 



Ephydra pectinulata n. sp. 



Similar to niveiceps. 



Opacity more brownish, especially on the frons and thorax ; the grays 

 not whitish except on the face ; abdomen more olivaceous, not opake. 



