336 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxii. 



Specimens examined. — Six males and two females from Williams 

 and Flagstaff, Arizona, all taken by Barber and Schwarz in July, 1901, 

 and several adults from Baboquivaria Mountains, Arizona (Snow). 



These Williams and Flagstaff' specimens, the types, and the name 

 talli is misleading, as the specimens taken l)y Mr. Ball and m3^self at 

 Fort Collins, Colorado, were not this species ))ut belongs to Stipator 

 stevensoni. The specimens before me when the original description 

 was drawn up comprised the specimens here desci'ibed as well as those 

 taken by Ball and myself and that accounts for the statement that the 

 posterior femora are armed l)eneath when as a fact they are i-arel}^ if 

 ever so armed. The omission of the Arizona hal>itat from the original 

 description was due to inadvertence and is deplorable inasmuch as 

 confusion is apt to exist owing to the unusual circumstances. This 

 species superlicially reseml)les St/pdtor stevenswnl so closeh^ as to 

 make their confusion excusable. However, the cerci of the male will 

 serve for their easy separation. Some of the largest females are very 

 close to the smallest females of ephipphiata^ but in such cases associa- 

 tion with the males can be relied upon for a correct determination. 



This insect is probably nocturnal in habits though little is known 

 regarding it. The types were taken under bark. If it is nocturnal 

 in habit, living under bark, etc., in the daytime, it is in this respect 

 very different from Stipator stevenwnii\^\v\c\\ it so resembles in appear- 

 ance. Professor Snow has taken IxdU in Arizona in the Baboquivaria 

 Mountains in which the ovipositor is several millimeters shorter than 

 usual, measuring but 13 mm. 



EREMOPEDES BREVICAUDA, new species. 



Description. — Female. Head medium in size, the vertex very broad 

 and prominent, nearly as broad as the interocular space, broader than 

 the width of one of the eyes; front well rounded. Eyes of moderate 

 size, not prominent, nearly round. Pronotum of medium size and 

 posteriorly considerably produced; lateral lobes well developed, slant- 

 ing, the humeral sinus l)road and shallow: lateral and median carinte 

 very broadly rounded, scarcely noticeable, but persistent, the former 

 parallel; pronotal disk 1)roadly convex and longitudinally a little 

 bowed; ant(U'iorly su))truncate, posteriorly rounded. The pronotal 

 disk is without transverse cuici but has an obscure crescent-shaped 

 depression in the center. Prosternum unarmed. Elytra projecting 

 very slightly beyond the posterior margin of the pronotum. Legs 

 moderately stout; all the femora unarmed, the posterior ones much 

 and quite abruptly swollen on the basal three-tifths; anterior tibic'e 

 armed above on the outer side only with three spines; intermediate 

 ti})ia' armed above on both niargins. Abdomen moderately plump 

 and dorsally somewhat carinate. Cerci round, pointed, about three 

 times as long as the basal width. Ovipositor (fig. 39) very short and 

 subfalcate, not as long as the pronotum. 



