160 E. T. CRESSON. 



Joppidinm rnbriocps, Walsh, MS. 



9. — Deep black, smooth and polished; head ferruginous, face paler; an- 

 tennas citron yellow, scape reddish, flagellum blackish at tips; tegulae brown; 

 metathorax rugose, sparsely pubescent laterally; prothorax sometimes tinged 

 with reddish-brown ; wings broad, blackish-fuliginous, with a strong aeneous 

 reflection, areolet large, quadrate; four anterior legs honey-yellow, femora 

 darker towards base, coxae black, trochanters piceous, posterior legs black, 

 their tarsi yellow, dusky at tips; abdomen slender at base, gradually dilated 

 towards apex, which is sometimes tinged with brownish; ovipositor more than 

 half the length of abdomen. Length .55 inch. 



% . — Much more slender; vertex and occiput black; antennae long, bright 

 citron yellow," tips of flagellum dusky; bases of intermediate femora black, in- 

 termediate tarsi dusky; abdomen very slender, especially at base, smooth and 

 polished. Length .50 inch. 



Four % 9 specimens. (Belfrage ; Boll.) 



Joppidinm apicale, n. sp. 



9. — Head dull rufous, blackish at base of antennae, which are yellowish, 

 darker at base and black on apical third; thorax entirely black, except a dull 

 rufous spot on each side of prothorax anteriorly; tegulae pale; metathorax 

 rounded, deeply punctured, pubescent; wings blackish-violaceous; coxae, pos- 

 terior trochanters and femora black, remainder of legs yellowish-ferruginous, 

 posterior tibiae and tarsi paler; abdomen shining, ferruginous, first and second 

 segments, except narrow apical margin, black, base of third segment blackish; 

 ovipositor about one-half the length of abdomen. Length .45 inch. 



One specimen collected in Comal Co. Quite distinct from rubriceps 

 by the color of the legs and abdomen. 



I'll j gadenon texanus, n. sp. 



% . — Black, head and thorax with short, pale pubescence; mandibles rufo- 

 piceous, palpi whitish ; antennae black above, brown beneath, scape yellow be- 

 neath ; thorax shining, with sparse, not deep, punctures; metathorax very 

 rough and uneven, with sharply defined carinae, posterior face deeply exca- 

 vated, lateral angles very prominent and obtuse; tegulae rufo-piceous; wings 

 hyaline, faintly tinged with yellowish, areolet 5-angular; legs honey-yellow; 

 four anterior coxae at base and posterior pair except tips, black ; four anterior 

 coxae beneath, tips of posterior pair, anterior trochanters, two posterior pair ex- 

 cept dusky spot above, and four anterior tibiae and tarsi, whitish; posterior 

 tibiae pale, bases and tips dusky, their tarsi blackish ; abdomen smooth, shining, 

 ferruginous or rufo-ferruginous; first segment above with two sharply defined 

 longitudinal carinae, becoming obsolete before reaching apex, which is con- 

 siderably dilated, sometimes the base of this segment is more or less blackish; 

 apex of abdomen pale ferruginous. Length .28 — .33 inch. 



Seven % specimens collected in Comal Co. 



IMij gadeuon intermedins, n. sp. 



9 . — Subrobust ; head and thorax black, abdomen and legs ferruginous, 

 smooth and shining; spot on mandibles and palpi pale; antennae fusco-fer- 

 rugiuous, paler at base, incisures of joints dusky, scape swollen, three basal 

 joints of flagellum about equal in length, each being nearly as long as scape, 



