AMERICAN HYMENOPTERA. 31 



brilliantly green, especially the abdomen, the apex of which is gold- 

 en green aud somewhat depressed, the very large second segment 

 has a fine, central longitudinal carina on its entire length ; the legs 

 are tinged with brown, the posterior femora margin above and beneath 

 from and including the large tooth, to the base, with yellow as in the 

 $ , their tibite are reddish at tips, with a yellow line behind reaching 

 to basal third ; the antennal grooves are deep and bright cupreous. 

 Length of ? , .30— .45; of % , .35 inch. 



4. Leucospis Sumichrastii. n. sp. 



9. — Short, broad, densely punctured, black, tnore or less tinned with metal- 

 lic green; face and posterior orbits with a fine silvery pile ; occiput flat, trans- 

 versely striated, bright green, bounded above by a sharp carina; antenna; 

 black, scape above and base of flagellurn beneath ferruginous, scape yellowish 

 beneath; prothorax broad, dull black; scutellum broad, with a smooth shining 

 spot on apical middle; metathorax above pnle ferruginous, clothed with a 

 dense silvery-white pubescence; tegulae piceous; wings hyaline, the costa, 

 narrowly beyond stigma, continued more broadly on upper half of apical mar- 

 gin, fuscous; four anterior tibiae tinged with ferruginous within, tips of posterior 

 coxa; above, and narrow upper and lower margin of their large femora, not 

 quite reaching apex beneath, pale yellowish, the band beneath from large tooth 

 to base rather broad, the small teeth about eight in number; posterior tibiae 

 reddish behind ; abdomen with first segment narrower than the second, nearly 

 quadrate, smooth, polished and deeply excavated at base, apex thickly punc- 

 tured ; base of second segment contracted, this segment finely and deusely 

 punctured, the apex broadly margined with a dense bright golden pubescence; 

 apical segment, except at base, clothed with a dense bright golden pubescence 

 and when viewed laterally is interrupted on each side of middle by a longitu- 

 dinal greenish stripe; ovipositor short, porrect, not exceeding in height that of 

 the second segment, although the groove extends nearly to the base of the seg- 

 ment. Length .32 inch. 



Hab. — Mexico. Prof. Sumichrast. One specimen. A short robust 

 form, easily distinguished by the abdomen being ornamented with 

 bright golden at apex. 



5. Leucospis texaoa, n. sp. 



% . — Black, opaque, with a rather dense pale sericeous pubescence and large 

 dense punctures ; two obscure reddish spots on middle of face; mandibles and 

 palpi rufo-piceous ; antennae reddish, black at tips, scape yellow ; two spots be- 

 hind antennae, posterior margin of prothorax, Hue over tegulae, posterior mar- 

 gin of scutellum, small spot beneath wings and an oblique line on each extreme 

 side of metathorax, also yellow ; sides of prothorax and tegulae pale ferruginous; 

 wings fuliginous ; legs ferruginous, anterior coxae, a stripe on each side of their 

 femora, base of intermediate femora, and posterior coxae above and at base be- 

 neath, black; four anterior knees and tibiae in front yellowish; posterior fe- 

 mora very large, almost circular, a large blackish stain on inner side and a 

 large black spot on outer side, broadly margined above with yellow, and a yel- 

 low spot beneath near base, armed beneath with three very large, long, distant 



