TEXAN IIYMENOPTERA. 215 



of tarsi honey-yellow; abdomen entirely pale ferruginous, with an indistinct 

 6ilvery sericeous pile in fresh specimens. Length .40 inch. 



%,. — Colored like the £, but is densely clothed with a bright silvery-pube- 

 scence; mandibles ferruginous; thorax less shining; mesothorax brilliantly 

 silvery, the upper surface scarcely reticulated, except at base; abdomen with 

 silvery bands. Length .30 inch. 



Three specimens. (Belfrage.) Very near tarsata, Say, from which 

 it differs by the minutely reticulated metathorax. 



Larrada Belfragci, n. sp. 



£. — Black; face and clypeus bright silvery; clypeus depressed and shi- 

 ning at apex; mandibles dull reddish; back of head and cheeks with silvery- 

 sericeous pile; scape reddish at tip beneath; posterior margin of prothorax, 

 6ides of metathorax and pleura with a silvery pile; metathorax above finely 

 and densely rugulose with a few short radiating striae at base, sides obliquely 

 and minutely aciculate, posterior face transversely aciculate and with a deep 

 central elongate fovea; tegulaj honey-yellow; wings hyaline, faintly tinged 

 with dusky towards apex; legs fulvous, coxae and base of femora black, tibiae 

 silvery sericeous; abdomen fulvo-ferruginous, with a very fine silvery serice- 

 ous pile, more dense at the sides and apex of segments, the three apical seg- 

 ments black. Length .40 inch. 



One specimen. (Coll. G. W. Belfragc.) A very pretty species, re- 

 sembling Tachytes abdominalis in the color of the body. 



Tachytes distinctus. 



Tachytes distinctus, Smith, Brit. Mus. Cat. iv., p. 307. 



Three 9 specimens. (Belfrage ; Boll ; Heiligbrodt.) The legs, 

 except coxae, are fulvous and the abdomen has only three silvery-seri- 

 ceous bands. 



The several species of Tachytes were found by Mr. Belfrage, in Sep- 

 tember, on flowers of Wild Sage (Croton capitatuni). 



Tachytes cloiigattis, n. sp. 



%. — Black; head and thorax clothed with a short pale sericeous pubes- 

 cence, silvery when viewed in certain lights; face and clypeus clothed with a 

 dense pale golden pubescence; mandibles pieeous at tips, yellowish at base and 

 reddish before tips ; the flattened prominence above anterior ocellus clothed 

 with dense pale pubescence, between the summit of eyes a central channel; 

 6Cape of antenna? short, with long pale hairs; posterior margin of prothorax 

 silvery; mesothorax and scutelluin closely and feebly punctured, clothed with 

 a short erect sericeous pubescence, more dense and somewhat silvery on lateral 

 and posterior margins of mesothorax and on postscutellum ; metathorax with- 

 out distinct punctures, clothed with a whitish pubescence, somewhat silvery 

 in certain lights, a deep shining fovea at apex above and medial channel on 

 posterior face widened above; pleura clothed with a pale silky pile; tegulae 

 pale testaceous; wings yellow hyaline, paler towards apex, apical margin, 

 darker beneath tip of marginal cell, dusky; legs fulvous, with silvery serice- 

 ous pile, coxae, trochanters and femora except tips, black; abdomen deep 



