340 INSECTS. HYMEXOPTERA. 



sed, dentated, and marked with a furrow on the inferior mar- 

 gin ; legs of the same feet strong, arched, and received par- 

 tially into a groove of the thighs ; wings always extended ; 

 pedicle of the abdomen discovered ; ovipositor straight and 

 inferior ; labium slightly notched ; abdomen ovoid. 



* Pedicle of the abdomen elongated. 



C. clavipes, Fab. Antennae black ; head and thorax deep black, 

 shagreened, and the thorax bidentated posteriorly ; abdomen short, 

 slightly compressed, shining black ; four anterior feet yellowish 

 brown, with a large brown spot at the base of the thighs, and on 

 the middle of the legs ; legs black, arched, the tarsi fawn-colour- 

 ed. 2^ lines long. Inhabits Europe. Nouv. Did. vi. 13. 



** Pedicle of the abdomen very short. 



C. minuta, Lat. Antennae black, as long as the head ; head deep 

 black ; thorax black, granulated, terminated posteriorly by two 

 small short points, with a yellow point at the origin of the wings ; 

 abdomen oval, shining black ; the first two pairs of feet yellow, 

 with a black spot at the base of the thighs, and another in the 

 middle of the legs ; posterior feet black, with a yellow spot at 

 the base and extremity of the thighs. 2^ lines long. Inhabits 

 Europe, on flowers. Lat. Gen. iv. 26. 



TRIBE V. CHRYSTDES, Lat. 



Inferior wings with some longitudinal ribs, the upper ones with 

 a radial cell, and a large cubital one ; antennae filiform, vi- 

 bratile, of thirteen joints in both sexes ; ovipositor articulat- 

 ed, interior, exsertile, and terminated in a sharp point ; ab- 

 domen sessile, flat or concave below, and capable of being 

 folded on the breast; palpi apparent; body globular; co- 

 lours very brilliant. 



I. Jaws and lip very long, forming a kind of proboscis bent downwards ; palpi very 

 small, of two joints ; abdomen exteriorly in the males of four segments, and of 

 three in the females, the terminal ring being the largest. 



Gen. PARNOPES. 



II. No proboscis; palpi apparent, the maxillary ones of five joints, the labial of 

 three. 



1. Thorax not narrowed before; abdomen semicylindrical, and rounded at the end, 

 with three apparent segments, concave below. 



A. Palpi short, almost of the same length ; labium bifid ; a varix or ridge on the 

 terminal segment of the abdomen. 



Gen. STILBUM, EUCHR^EUS. 



B. Maxillary palpi much longer than the labial ones; labium entire, or simply 

 notched. 



Gen. CHRYSIS, ELAMPTJS, HEDYCHRUM. 



2. Thorax narrowed before ; abdomen almost ovoid, composed exteriorly of four or 

 five segments, not vaulted below. 



Gen. CLEPTES. 



Gen. CHRYSIS, Lat. Lin. 

 Mandibles with but one tooth on the internal side; maxillary 



