TEXAN HYMENOPTERA. 175 



tibiae and tarsal tips fuscous; abdomen subrobust; ovipositor nearly as long as 

 abdomen. Length .30 — ,32 inch. 

 Eight specimens. (Belfrage.) 



Porizon la oil is. n. sp. 



9 . — Long, slender, honey-yellow or pale ferruginous ; head lemon-yellow, 

 two spots behind antenna?, sometimes confluent, spot covering ocelli, occiput 

 and tips of mandibles, black; antennae longer than head and thorax, black or 

 brown-black, scape yellowish ; thorax more or less tinged with yellow; meso- 

 thorax generally with a broad central black stripe, margined laterally with 

 lemon-yellow; collar, tegula? and scutellum pale yellow; pleura beneath and 

 base of metathorax above more or less black, the latter with well-defined ele- 

 vated lines, the dorsal surface finely transversely striated; wings hyaline, 

 iridescent, nervures and stigma pale fuscous; legs long and slender, pale 

 honey-yellow, coxae, trochanters and knees more or less pale yellow, base and 

 apex of posterior tibia? and tips of tarsal joints fuscous; abdomen long and 

 slender, base of first, basal two-thirds of second and spot at base of two or three 

 following segments black; venter yellow; ovipositor as long as abdomen. 

 Length .30— .33 inch. 



% . — Rather more slender, eyes larger, thorax more varied laterally with pale 

 yellow; the black on metathorax extending to apex; pleura with a black spot 

 on each side anteriorly ; first and second segments of abdomen except tips and 

 more or less of base of remaining segments black. 



Several specimens. (Belfrage.) 



Porizon macer, n. sp. 



2 . — Head black, lower part of face, orbits, clypeus, mandibles, palpi, tegu- 

 lae and scutellum, lemon-yellow; antennae as long as head and thorax, black; 

 thorax rufo-ferruginous, a broad central stripe on mesothorax, scutellar region, 

 base of metathorax and tip above, the extreme sides, spot beneath wings and 

 pleura beneath, black; metathorax minutely and strongly punctured, with 

 well-defined elevated lines, posterior face transversely striated ; wings hyaline, 

 iridescent, stigma large, pale fuscous; four anterior legs yellow, posterior pair 

 honey-yellow, with pale trochanters, base of their coxae black, base and apex 

 of their tibia? and most of their tarsi fuscous; abdomen long, slender, yellow- 

 ferruginous, first and second segments above except tips and base of third seg- 

 ment black, apical segments dusky above ; ovipositor three-fourths the length 

 of abdomen. Length .30 inch. 



%. — Black: face, orbits, clypeus, mandibles, palpi, scape beneath, tegulae 

 and scutellum, pale yellow; antennae as long as abdomen ; lateral margin of 

 mesothorax, prothorax except lateral middle, and, long oblique stripe on each 

 side of pleura, yellow-ferruginous; legs ferruginous; base of abdominal seg- 

 ments 3 — 5 above and apex black. Length .26 inch. 



Three specimens. (Belfrage.) This may be nothing more than 

 an extreme variety cf facilis. 



Porizon ? agilis, n. sp. 



£> . — Ferruginous; spot enclosing ocelli and* two large spots on occiput, 

 fuscous; mandibles white with black tips; antennae blackish, scape ferrugi- 

 nous ; spot on mesothorax in front and on each side posteriorly, scutellar region 



