1865.] 439 



II. Smooth, shining species. 



18. Mutilla clara, n. sp. 



Honey-yellow; eyes, spot enclosing ocelli, and most of femora and tibise, 

 blackish; apex of abdomen clothed with a long, dense, whitish pubescence; 

 wings large, hyaline, the apical margin streaked with fuscous; two submargi- 

 nal cells. 



Male. — Uniform honey-yellow, polished, clothed with a long thin 

 whitish pubescence ; eyes rather large, rounded, entire, very convex 

 and blackish ; ocelli large, enclosed by a blackish spot ; tips of man- 

 dibles also blackish ; antenna? as loug or rather longer than the head 

 and thorax, brownish, honey-yellow at base. Thorax densely punctured ; 

 mesothorax polished, with a few scattered punctures and two deeply 

 impressed longitudinal lines ; metathorax abruptly rounded behind, 

 coarsely reticulate, with a broad smooth shining space on the middle, 

 bounded on the sides, and divided down the middle by three sharply 

 defined longitudinal carinae ; tegulae honey-yellow. Wings ample, hya- 

 line, faintly tinged with yellowish, with three elongate, longitudinal, 

 pale fuscous streaks on the apical margin and a large pale fuscous spot 

 beneath the second submarginal cell ; nervures pale testaceous ; stigma 

 rather large and blackish; marginal cell short, rounded at tip ; two 

 distinct submarginal cells, the second obliquely subquadrate, receiving 

 the first recurrent nervure before the middle, the basal nervure sinu- 

 ate ; third submarginal cell obliterated. Legs slender, thinly clothed 

 with pale pubescence ; coxae and trochanters honey-yellow ; femora and 

 tibia?, except extreme base apex, blackish, rest of the legs yellowish- 

 testaceous. Abdomen petiolated, smooth and polished ; the node or 

 petiole segment elongate, slender at base and much swollen at tips, and 

 clothed with a long thin whitish pubescence ; large basal segment 

 highly polished, naked except its apical margin which has a long dense 

 fringe of whitish pubescence; remaining segments fuscous, densely 

 clothed with a long whitish pubescence, more sparse beneath. Length 

 4 lines; expanse of wings 7| lines. 

 One specimen. 



19. Mutilla concolor, n. sp. 



Honey-yellow; apex of abdomen rather densely clothed with whitish pu- 

 bescence; antennae except base, and the femora and tibiae, dusky; wings hya- 

 line, with two submarginal cells. 



Male. — Uniform honey-yellow, polished, clothed with a thin, long, 

 whitish pubescence; eyes large, round, entire and prominent, as well 

 as the ocelli which are enclosed by a blackish spot; antennae long, 

 honey-yellow, the flagellum above dusky. Thorax rather closely punc- 

 tured ; the suture between the pro- and mesothorax deeply impressed ; 



