278 [April 



posterior coxae black, with a more or less distinct broad yellow line 

 beneath and sometimes a dull rufous line or spot above; posterior femora 

 rufous, blackish at base and apex, their tibiae yellowish-ferruginous, 

 with the apical half black, their tarsi yellow, dusky or blackish at base 

 and apex. Abdomen long, slender and subcylindrical, smooth and shin- 

 iug, pale rufo-ferruginous; the basal segment except tip, black; some- 

 times there is a small rufous spot on the dorsal middle of this segment, 

 and in one specimen the segment is ferruginous except the extreme 

 base ; there is also a stout tubercle on each side about the middle. 

 Length 4J — 5J lines; expanse of wings 7? — 8£ lines. 

 Six specimens. 



7. Exetastes consimilis. n. sp. 



Black; face, except a central line, hooked line on each side of raesothorax. 

 tegulse, and most of legs, yellow; abdomen except base, and posterior femora, 

 ferruginous : wings pale yellowish-hyaline. 



Male. — Closely resembles E. flaoitarsis, but is larger; the face has 

 a black line down the middle and a black dot on each side just above 

 the clypeus; the orbits are not yellow except for a short distance on 

 each side of the antennae, the mandibles are yellow, with the base and 

 apex black ; palpi testaceous ; the antennte are about three-fourths the 

 length of the body, and entire/// black ; the thorax is more dull, the 

 mesothorax has a broad hooked line on each side, the tegulae has a yel- 

 low spot in front, as well as a line beneath ; the scutellum and postscu- 

 tellum are entirely black ; the metathorax is finely rugose, with a well- 

 defined, trausvei*se, arcuated carina near the base ; the wings are faintly 

 pale yellowish-hyaline, iridescent, the areolet smaller, triangular and 

 petiolated ; the legs are yellow, the four anterior femora, tibiae and 

 tarsi very slightly tinged with honey -yellow ; the middle coxae above 

 and the posterior pair entirely, are black ; the posterior femora are fer- 

 ruginous, their tibiae yellowish, dusky at tips as well as the whole of 

 their tarsi; the abdomen is rather longer, more cylindrical, the basal 

 segment is distinctly punctured and excavated at base, without distinct 

 lateral tubercles, while the second segment has a stout tubercle on each 

 side near the base; the basal segment except apex is blackish, and the 

 seventh segment has a dusky stain on each side. Length 6 lines; ex- 

 panse of wings 9 lines. 



One specimen. 



8. Exetastes fascipennis, n. sp. 



Ferruginous ; incisures of thorax and antennae, black, the latter with a yel- 

 lowish annulus; clypeus yellowish; wings yellowish-hyaline, with a dusky 

 band beyond the middle. 



Female. — Uniform ferruginous, face paler ; inner orbits obscurely 



