384 MACLURIAN LYCEUM. 



covered with discoidal punctures ; tergum polislied, with a few 

 elongated, rigid, white hairs, as long as two of the segments 

 taken together. 



Length seven-twentieths of an inch. [81] 



DRYINUS Latr. 

 D. BIFASCIATUS. — Ycllowish ; wings bifasciate. 

 Inhabits Indiana. 



Body honey-yellow, varied with blackish ; anterior thigh!^ 

 dilated ; wings with two fuscous bands, the apical one broader. 

 Length rather more than one-fifth of an inch. [82] 



CHRYSIS Linn. Latr. 



1. C. PACIFICA. — Green; anal segment mutic ; tarsi fuscous. 

 Inhabits Indiana. 



Body green with a slight bluish tinge, with short hairs ; an- 

 tennge, five or six terminal joints fuscous ; wings hyaline, a little 

 brownish on the costal margin beyond the stigma; tergum more 

 particularly tinged with bluish ; anal segment rounded, subtrun- 

 cate, unarmed; tarsi fuscous. 



Length three-tenths of an inch. 



2. C. CARiNATA. — Bluish ; abdomen subtridentate. 

 Inhabits Indiana. 



Body greenish blue varied with purplish ; front, from the an- 

 tennge to the middle, with numeroixs whitish hairs; antennas fus- 

 cous, green at base; metathorax, lateral tubercles acute; middle 

 termination subacute ; tergum, anal segment carinate, the carina 

 extending beyond the edge into an acute tooth ; lateral angle? 

 acute; tarsi fuscous. 



Length three-tenths of an inch. 



HEDYCRIUM Latr. 



H. siNUOSUM. — lleddish-coppery ; wings fuliginous at tip. 



Inhabits Indiana. 



Body reddish-coppery, polished, punctured ; front concave, 

 greenish; antennaj fuscous, green at base; metathorax acute at 

 posterior angles; wings beyond the middle fuliginous; tergum 

 blue-purple; terminal segment hardly as long as the penultimate, 

 with a sinus at tip ; beneath green ; tarsi fuscous. 



Length about one-fifth of inch. 



