TEXAN HYMENOPTERA. 273 



pale oehraceous pubescence, that on pleura short and arranged in two narrow 

 transverse bands meeting beneath and in front of tectulae; scutellum broadly 

 rounded behind, with a stout subacute tooth on each side at base; tegulae dull 

 testaceous; wings hyaline or subhyaline, apical margins pale fuliginous; legs 

 entirely ferruginous or fulvo-ferruginous, clothed with pale pubescence, tips of 

 tarsi dusky; abdomen robust, deeply, closely punctured, the second and fol- 

 lowing segments with a deeply impressed median transverse line, first segment 

 broadly and deeply concave at base, sometimes tinged with ferruginous, the 

 basal margin more dense laterally, the apical margins of segments 1 — 5, basal 

 margins of segments 5 and 6 and sometimes the transverse impressed lines 

 laterally, covered with a white or pale oehraceous scale-like pubescence; apex 

 with eight short teeth, one on each side of fifth and sixth segments and two 

 pair at apex; venter more or less stained with ferruginous, and banded with 

 white pubescence. Length .35 — .45 inch. 

 Six specimens. (Belfrage.) 



Ceelioxys insita, n. sp. 



9- — Black; head and thorax with large coarse punctures, and cheeks and 

 mandibles covered with a short appressed cinereous scale-like pubescence, 

 more dense on face and clypeus, anterior margin of the latter fringed with 

 yellowish pubescence, a tuft of long cinereous pubescence on each side of an- 

 terior ocellus ; posterior margin of occiput, anterior margin of mesothorax con- 

 tinued beneath tegulae and narrowly over them, spot behind tegulae and two 

 spots at base of scutellum covered with a whitish pubescence; scutellum be- 

 neath and metathorax clothed with a long dense cinereous pubescence, the 

 pleura has two bands of pubescence as in preceding species ; scutellum broadly 

 rounded posteriorly, with a long, blunt, slightly incurved tooth on each side at 

 base; tegulae dull testaceous; wings hyaline, more or less fuliginous at apex ; 

 legs ferruginous, with whitish pubescence; abdomen shining, closely and 

 strongly punctured, sparsely so on posterior middle, first and second segments 

 with a deeply impressed median transverse line, basal sides of first segment, 

 and narrow, even, apical margins of segments 1 — 5 fringed with short white 

 pubescence, apical segment densely and finely punctured, convex at base, de- 

 pressed and acuminate at tip which is acute, inferior plate long, narrow, ob- 

 tusely pointed at tip, much longer than superior; venter banded with white 

 pubescence. Length .40 — .45 inch. 

 Four specimens. (Belfrage.) 



Ceelioxys 8-dentata. 



Ceelioxys 8-dentata, Say, Long's 2d Exped. ii., p. 353. 

 Three S specimens. (Belfrage.) 



Ceelioxys scitula, n. sp. 



9. — Small, black, shining; head and thorax with large, not close, punc- 

 tures; face, clypeus, cheeks and posterior margin of occiput clothed with a 

 short dense white pubescence; mandibles tinged with ferruginous; anterior 

 margin of mesothorax, interrupted medially and continued down on each side 

 of pleura, another line on posterior part of pleura, a spot on each side behind 

 tegulae, suture at base of scutellum and base and sides of metathorax clothed 

 with white pubescence, that on metathorax long; scutellum broadly rounded 



TRANS. AMER. ENT. SOC. IV. (35) NOVEMBER, 1872. 



