MACLURIAN LYCEUM. 375 



wings and one or two spots behind; beneath with a white spot 

 before the anterior and intermediate coxae; tibiae white lines on 

 their exterior sides ; posterior tarsi, first and second joints with a 

 white line above. 



Length more than half an inch. 



Second joint of the maxillary palpi dilated as in Peltastes Illig. 



4. I. vincttjs. — Black: abdomen rufous. 

 Inhabits Indiana. 



Body black ; head above the antennae and occiput, black ; or- 

 bital line interrupted behind, and all beneath the antennas except 

 the incisure, white; antennae, basal joints beneath, white; collar 

 with a white line; thorax with a short line above the anterior 

 wing and another below it, from the anterior extremity of these 

 lines, a white line proceeds, and is interrupted before ; two im- 

 pressed dorsal lines obsolete behind; scutel and obsolete point 

 behind it, white; wings, central cellule pentangular, trans'. 

 metathorax with somewhat elevated ruga?, enclosing a pentangu- 

 lar space, from the angles of which abbreviated lines diverge, 

 the two posterior of which terminate at the short tubercles 

 anterior and intermediate pairs, pale whitish yellow, the coxae 

 white with a black spot behind, the thighs with a black line and 

 tibiae of the anterior pair also with a black line; posterior pair 

 black, second, third and fourth joints of the tarsi, white; abdo- 

 men bright rufous, immaculate. 



Length % half an inch. [71] 



5. I. inquisitor. — Black; feet homy -yellow ; posterior tibia 

 white, binnulate with black. 



Inhabits Indiana. 



Body black; palpi whitish; thorax with a whit< spot on the 

 anterior base of the superior wings; wings, central cellule quad- 

 rangular, longitudinal, narrowed a little at the tip; feel honey- 

 yellow: posterior tibia white, a black annulus mar the base and 

 another somewhat larger at tip; joints of the posterior tarsi 

 whitish, blackish at their tip: oviducts nearly as long as the ab- 

 domen. 



Length one-fourth of an inch. 



Preys upon the larva (of a Bruchus?) that feeds on the 

 of the Ctc Hied*. 



