730 BOSTON JOURNAL 



ANTEON Jur. 



A. TIBIALIS. — Black; tibia; and tarsi dull yellowish. 



Inhabits Indiana. 



Body polished, black ; metathorax punctured and with longi- 

 tudinal slightly elevated lines ; tergum towards the tip with a 

 few, rather long black hairs ; tibiae and tarsi dull yellowish- 

 white. 



Length about one-tenth of an inch. 



HEDYCHRUM Latr. 



1. H. OBSOLETUM. — 9 Thorax on the disk very slightly 

 punctured ; abdomen entire at tip. 



Inhabits Indiana. 



Body green, varied with purplish ; thorax on the disk tinged 

 with purple, and with sparse, slightly impressed punctures ; wings 

 fuliginous ; metathorax and pleura with discoidal punctures, and 

 a confluent blackish, double, indented [285] spot behind ; tergum 

 with a purple reflection, less obvious on the posterior segment ; 

 punctures slightly impressed, more obvious each side and on the 

 terminal segment ; terminal segment about equal to the preced- 

 ing, perfectly entire at tip : venter bronze : tarsi brown. 



Length less than one-fourth of an inch. 



I)ifi"ers from ventrale nob., which has the terminal segment 

 slightly longer than the preceding one and very obtusely and 

 slightly emarginate at tip, and the thoracic punctures are not 

 sparse on the disk ; the sinuosum nob. has a deep and acute 

 emargination at tip of the terminal segment of the tergum. 



2. H. SPECULUM. — ^ Green ; tergum and di^k of the thorax 

 impunctured. 



Inhabits Indiana. 



Body green, varied with purplish : antennas, excepting the 

 first and second joints, blackish : head with discoidal punctures, 

 vertex and posterior margin impunctured : thorax impunctured, 

 polished, with an impressed, abbreviated line each side of the 

 middle : metathorax with discoidal punctures : wings fuliginous : 

 tergum impunctured, polished j terminal segment hardly half as 



[Vol. I. 



