MACLURIAN LYCEUM. 875 



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 sccund juints with a 

 white line above. 



Length more than half an inch. 



Second joint of tlie maxillary palpi dilated as in J\f(astrs Illig. 



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

 Inhabits Indiana. 



Bitdy black ; head above the antenna) and occiput, black ; or- 

 bital line interrupted behind, and all beneath theantennic except 

 the incisure, white ; antennoe, 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- 

 pres.sed dorsal lines obsolete behind ; scutel and obsolete point 

 behind it, white ; wings, central cellule pentangular, transverse ; 

 metathorax with somewhat elevated rugae, enclosing a pentangu- 

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

 the two posterior of which terminate at the short tubercles ; feet, 

 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 S half an inch. [71] 



5. I. INQUISITOR. — Black; feet honey-yellow; posterior tibia 

 white, binnulate with black. 



Inhabits Indiana. 



Body black ; palpi whitish ; thorax with a white spot on the 

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

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

 yellow : posterior tibia white, a black annulus near the ba.se and 

 another somewhat larger at tip ; joints of the posterior tarsi 

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

 domen. 



Jjcngth one-fourth of an inch. 



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

 of the Chmatis. 



