NO. 2219. .1 REVISION OF TIUl CREMASTINI—CUSHMAN. 639 



Paratypo a (female) is homotypic and paratypo h (female) difTcra 

 in having the orbits and mouthparts distinctly yellow. Paratypo c 

 (male) is like the allotj^pe except that the propodcum is entirely 

 black, and paratypo d (male) has the head and mesoscutum colored as 

 in the female paratypo 6. 



CREMASTUS (ZALEPTOPYGUS) TEREBRATUS, new species. 



Female. — Length 9 mm., antennae 5 mm., ovipositor 6 mm. 

 Compared with tetralopliae Cushman differs as follows: Eyes scarcely 

 longer than width of face; malar space as long as basal width of man- 

 dible; clypeus strongly rounded at apex, about as long as interfovcal 

 line, which is only about a third longer than fovco-ocular line; post- 

 ocellar lino about twice as long as occU-ocular line, ocelli about equal 

 in diameter to latter. Propodeum precipitate beyond middle and 

 extending barely a third of way over coxae; pronotum laterally punc- 

 tate throughout; mesoscutum densely punctate throughout, notauli 

 weak; scutcllum densely punctate, carinac obsolete toward apex; ster- 

 nauh obsolete; petiolar area much longer than areola, sculpture of 

 areas similar to that of tetralojihae, but basal areas are more densely 

 punctate; second recurrent interstitial; second discoidal cell scarcely 

 a third as wide at base as at apex; nervcllus unusually strongly ante- 

 f ureal and broken at lower third; legs slender, hind basitarsus shorter 

 than remaining joints united. Abdomen very slender, twice as long as 

 head and thorax; first two tergites together shorter than rest united; 

 first targite about as long as second, carinae of petiole obsolete toward 

 base; second tcrgitc about four times as long as wide at base, much 

 wider at apex; ovipositor as long as entire abdomen. 



Rufo-testaceous; orbits, mouth parts, and cheeks ycUow, head 

 otherwise testaceous; antennae black, scape reddish; tcgulae and 

 wingbases yellow; space between wings and seutellum and basal 

 areas of propodcum black; thorax otherwise rufo-testaceous with 

 seutellum slightly paler; wings hyaline, veins and stigma brownish; 

 front and middle coxae and trochanters in front, both joints of hind 

 trochanters at apex yellowish; middle and hind trochanters basally 

 black or piceous; hind tibiae with apical half and basal annulus and 

 hind tarsi infuscated, tibiae in middle and at extreme base pale; legs 

 otherwise testaceous, hind coxae and femora much the darkest; 

 abdomen colored as in ietraloyliae. 



Type-locality. — Boulder, Colorado. 



Type.— Cat. No. 20272, U.S.N.M. 



One female collected by Prof. T. D. A. Cockerell at light July 28 



CREMASTUS (ZALEPTOPYGUS) MORDELLISTENAE, new species. 



Female. — ^Length 6 mm., ovipositor 2.5 mm. Head viewed from 

 above about twice as broad as long, temples strongly rounded; face 



