GYMNOPTERNUS. 87 



the pulvilli also larger than usual. The middle and the hind 

 tarsi strongly infuscated from the tip of the first joint, towards 

 the tip black. Cilia of the tegulae black. Wings tinged with 

 blackish-gray. 



Hab. Middle States. (Osten-Saeken.) 



Observation. — A single female specimen agrees with the just 

 described male of G. subdilatatus in the color of the coxa 1 , and 

 cannot therefore belong to any of the other species known to me ; 

 I am prevented, however, from taking it for the 9 of G. subdila- 

 tatus on account of the more clumsy shape of the feet. 



lO. (w. laevigatas Loew. % . — Viridis, thorace subcaerulescente, niti- 

 dissimo, autennis parvis nigris, articulo secundo et tertii basi obscure 

 runs, coxis anticis totis pedibusque pallide flavis, tarsis posticis hide 

 ab articuli primi apice nigris, lamellis hypopygii pallide flavis, appendi- 

 cibus interioribus siniplicibus. 



Green, with, a somewhat violet, very bruht thorax ; the small antennae 

 black, the second joint and the root of the third dusky red; the whole 

 fore coxae and the feet yellow, the hind tarsi from the tip of the first 

 joint black; the lamellae of the hypopygium pale-yellow; the interior 

 appendages simple. Long. corp. 0.12. Long. al. 0.12. 



Syn. Gymnopternus laevigatus Loew, Neue Beitr. VIII, 31, 9. 



Green, bright. Face and front covered with whitish dust. An- 

 tennae small, black ; the second joint and the root of the third 

 dusky red. Arista with a short but distinct pubescence. The 

 cilia of the inferior orbit seem to be black. Upper side of the 

 thorax bluish-green and very bright. Upon the surface of the 

 scutellum, besides the usual bristles, there are a few quite imper- 

 ceptible little hairs. The small lamella? of the hypopygium arc 

 light-yellowish, with a scarcely perceptible blackish border and 

 crescent shaped. Coxae and feet white-yellowish ; the middle coxae 

 on the outside almost as far as the tip, and the hind coxa? at the 

 root, blackened. The hairs on the feet are somewhat coarse, ami 

 the usual row of bristles on the upper side of the fore tibia 1 con- 

 sists of comparatively long and rather strong bristles. Hind tarsi 

 black from the tip of the first joint; fore and middle tarsi infus- 

 cated from the same joint. Cilia of the tegulaa black ; wings 

 tinged with blackish-gray ; the end of the third and fourth longi- 

 tudinal veins parallel. 



Hab. Middle States. 



