30 KANSAS UNIVERSITY SCIENCE BULLETIN. 



Many specimens of each sex, Lusk, Wye, collected July, 

 1895, by W. A. Snow and Hugo Kahl. Two female specimens 

 from Colorado Springs, Colo., collected byE. S. Tucker, during 

 August, 1894, belong to this species, but the yellow abdominal 

 margin is narrower and the black coloring of the front is in 

 predominance. 



Euparyphus albipilosus, n. sp. 



Male : Head black, facial orbits broadly and inferior occipital 

 orbits narrowly white pruinose and white pilose, antennee situ- 

 ate on yellow spots, black, first and second joints yellow on 

 their adjacent sides, mouth-parts yellow, eyes sparsely pubescent ; 

 thorax black, pile white, dorsum with two short, narrow, whit- 

 ish yellow lines, lateral lines abbreviated anteriorly and inter- 

 rupted behind the suture so as to form two spots, one just before 

 the suture and the other on the posterior angle of mesonotum, 

 a strip runs from humerus to and under the wing and narrowly 

 onto the sides of the metathorax, an isolated spot low down on 

 the pteropleura ; scutellum black, spines yellowish, with black 

 apices, halteres whitish yellow; abdomen black, yellowish 

 margin narrow., projecting inward from posterior angles of sec- 

 ond, third and fourth segments, venter black tinted with yellow 

 in the middle of the segments ; coxae yellowish, brownish 

 black at base, femora black, with base and apex, tibia? except 

 tinge of brown near middle, fore metatarsi at base, first and 

 second joints of middle and hind tarsi whitish yellow ; wings 

 hyaline, large veins and stigma yellowish, third vein furcate. 



Female : Front reddish yellow, median black line broadly 

 expanded just above antennae and almost reaching the eyes, 

 frontal orbits on upper half and superior occipital orbits black, 

 the latter slightly tinged with red, area around the antennae, a 

 small spot along the eye opposite antennae, and two small con- 

 ical spots on face above oral margin, yellow ; facial and inferior 

 occipital orbits white pruinose and white pilose ; thorax with- 

 out spot in front of suture ; markings on pleurae almost pure 

 white, hind femora and tibia almost wholly black ; veins and 

 stigma brown ; in other respects similar to male. Length, 5.5 

 mm. 



Three specimens : Two females, collected by Prof. F, H. Snow, 

 during August, 1902, near Flagstaff, Ariz. ; and one male, from 

 Colorado Springs, Colo., collected by E. S. Tucker, August, 1894. 



