

Descriptions of new species, of Hymenoptera. 75 



OPHION. Fabr. 



1. 0. bilineatus. Honey-yellow; head yellow; thorax 

 with two darker lines. 



Inhab. Indiana. 



Head yellow; antennas honey-yellow; mandibles 

 blackish at tip ; thorax with two somewhat reddish- 

 brown lines almost obsolete ; wings with fuscous ner- 

 vures; costal nervure and carpal spot honey-yellow; the 

 latter dilated conspicuous; larger central cellule acutely 

 angulated at tip; smaller central cellule angulated at the 

 superior basal angle and with a very slight process, its 

 terminal nervure almost obliterated on the outer half, its 

 outer nervure almost obliterated in the middle and white 

 in that part; the two terminal connecting nervures form- 

 ing an acute angle; pleura paler than the thorax; abdo- 

 men, second segment hardly as long as the first and 

 longer than the third. 



Length seven-twentieths of an inch. 



2. 0. analis. Reddish-brown; head above black, be- 

 neath the antennae yellow; abdomen black at tip. 



Inhab. Indiana. 



Head above the antennae black; beneath the antennae 

 yellow; occiput black, reddish-brown each side; an- 

 tennae dark reddish-brown almost black, at base black; 

 beneath somewhat paler, darker towards the base, radical 

 joint yellow at base; thorax reddish-brown, with a large 

 blackish disk, divided into three wide lines by two im- 

 pressed lines; sutures of the scutel and metathorax black: 

 tvings the larger central cellule obtuse at tip; smaller cen- 

 tral cellule with a small angle at tip, where it is widest, 

 very obtusely rounded at the superior basal angle; do 

 not meet and form an angle, carpal spot slender; pectus 

 black; posterior thighs blackish at base, their coxae with 



