ISO.-).] 805 



Genus HEDYCHRUM. Latr. 

 I. Hedychrum Wiltii. n. sp. 



Green, with a deep bluish-purple reflection, very brilliant on the abdomen, 

 which is polished and closely punctured ; head and thorax with dense coarse 

 punctures: legs purple, tarsi obscure testaceous; wings fuscous, apical margins 

 much darker. 



Head bluish-purple, strongly tinged with green on the face and ver- 

 tex, deeply and closely punctured, clothed with short black pubescence ; 

 face concave, finely and transversely striated; mandibles aud palpi 

 piceous-brown ; antennae black, basal joint tinged with purple. Thorax 

 uniformly, densely and roughly punctured, deep green, strongly tinged 

 with bluish-purple in certain lights, especially beneath, thinly clothed 

 with short black pubescence; posterior angles of metathorax prominent, 

 flattened and subacute, strongly tinged with deep blue, deeply exca- 

 vated beneath and finely aciculate ; tegulae brassy-black. Wings fus- 

 cous, much darker on the apical margins ; nervures black. Legs bril- 

 liant deep violet, tinged with green in front; the four anterior tibiae 

 and all the tarsi beneath, obscure rufo-testaceous and sericeous; poste- 

 rior femora short, dilated, pale brownish-sericeous in front, deep violet 

 behind ; tarsal claws cleft at tip. Abdomen short, broad, convex, 

 broadly rounded behind, polished, rather closely and deeply punctured, 

 the punctures fine at base, becoming larger and deeper towards the 

 apex, brilliant bluish-purple, with a deep green reflection, clothed on 

 the sides and behind with short black pubescence; third segment about 

 three-fourths the length of the second, the apical margin broadly 

 rounded, entire, except a slight sinus on each extreme side ; venter 

 coucave, bronze-black, shining. Length 6 lines; expanse of wings 10 

 lines. 



One specimen. It gives me pleasure to dedicate this superb species 

 to my friend, Mr. Charles Wilt of Philadelphia, to whom the .Society 

 is indebted for the specimen from which the above description was, 

 taken. Mr. Wilt has two specimens of this species in his collection ; 

 he received all of them from Colorado Territory. 



-. Hedychrum cupricolle, n. sp. 



Green; thorax above bright coppery-red. densely and rather deeply punc- 

 tured ; head and abdomen more finely punctured, apical segment of the latter 

 broadly rounded and entire: wings dark fuscous, paler at base. 



Brilliant green, somewhat golden, clothed with short black pube- 

 scence; head closely punctured, slightly bluish on the occiput; antenna> 

 dull black, basal joint green. Thorax densely and deeply punctured; 

 the prothorax above, mesothorax, scutellum and disk of metathorax. 

 bright coppery-red ; scutellum and metathorax with larger and coarser 



