40 E. T. CRESSON. 



femora not as large as usual, more or less stained with fuscous, the teeth very 

 minute; posterior tarsi yellowish; ahdomen small, subglobose, smooth and 

 polished, ferruginous, dusky at apex, petiole stout, cylindrical, black, about 

 two-thirds as long as posterior coxce. Length .20 inch. 



ffab. — Texas. (Belfrage.) Two specimens. Same form as jlebilis, 

 to which it is very closely allied, and may prove to be only a variety 

 of it. 



6. Smicra delnmbis, n. sp. 



-v o. Black; spot between antennas, short line on anterior orbits, inter- 

 rupted line behind eyes, and mandibles except tips yellowish-white; antenna* 

 black, flagellum sericeous, apex sometimes pale ; two whitish, approximate dots 

 on lateral anterior margin of prothorax ; two small distant spots on disk of me- 

 sothorax, wanting in 9 , and a dot on each side of scutellum, pale ferruginous ; 

 apex of scutellum rounded, margined, unarmed ; tegulee pale piceous ; wings 

 tinged with dusky, subiridescent; extreme base and apex of four anterior fe- 

 mora, base and apex of their tibia; and within and their tarsi pale yellow ; pos- 

 terior trochanters luteous in % , their femora ovate, with a yellow dot on upper 

 outer middle and a spot at tip above in 9 , teeth numerous and minute, their 

 tibiae with a pale yellowish spot near base and at apex, their tarsi white ; abdo- 

 men small, about as large as posterior femora, subglobose, smooth and polished, 

 black, immaculate, petiole stout, rather more than half the length of posterior 

 coxse. Length .15 inch. 



ff a l m — Massachusetts, Delaware. Two ( % 9) specimens. Much 

 like canadensis. 



7. Smicra torvina, n. sp. 



9. — Black, opaque; spot between antennas, transverse spot beneath each 

 posterior ocellus, spot on anterior orbits, narrow posterior orbits, and the large 

 mandibles except tips, pale yellow ; thorax densely rugulose ; prothorax with 

 four whitish dots on anterior margin — two on each side and two, approximate, 

 above — and a reddish spot near each posterior angle ; mesothorax with a short 

 line on each side of middle lobe and two spots on posterior part of each lateral 

 lobe, pale orange-yellow; scutellum with a rounded pale yellowish spot on 

 each side, tegulse pale yellow, fuscous posteriorly; wings hyaline; legs black, 

 sericeous, tips of four anterior femora, their tibise at tips and within and all the 

 tarsi except tips, yellowish-white; posterior coxse entirely black; their femora 

 black, inner side with a yellowish apical spot, outer side with a spot at base be- 

 neath, a spot at tip above and a transverse tortuous band near apex, pale yellow- 

 ish, sometimes irregularly margined with brown, and interrupted into spots, fe- 

 moral teeth minute ; posterior tibiae black, with a yellowish annulus at tip and 

 another near base; abdomen subfusiform, smooth and polished, first segment 

 with a whitish spot on each side between middle and apex, sometimes wanting 

 and the second segment with a larger spot of same color on each side at base, 

 sometimes the fifth segment has lateral pale spot; petiole robust, scarcely half 

 the length of posterior coxse. Length .15— .20 inch. 



Hub — Massachusetts, Connecticut, Illinois, Texas. Ten specimens. 

 The markings ou posterior femora vary considerably. 



