MACLTJRIAN LYCEUM 377 



feet : feet yellow ; posterior thighs tinged with rufous ; posterior 

 tibiae rufous at tip; abdomen rufous, with black incisures. 

 Length over one-fifth of an inch. 



10. I. BIFASCIATUS. — Ferruginous wings dusky, bifasciate. 

 Inhabits Indiana. 



Body ferruginous; antennae somewhat tinged with whitish 

 beyond the middle and fuscous at tip : thorax circumscribin- inci- 

 sure black; wings dusky with a hyaline [73] band hardly beyond 

 the middle and an abbreviated one nearer the tip ; stigma pair fer- 

 ruginous; inferior wings dusky, with a semifasciate on the mid- 

 dle with hyaline : oviducts black ; pectus incisures black ; pos- 

 terior tibiae blackish at tip. 



Length two-fifths of an inch. 



11. I. MORULTJS. — Black; antennae with a whitish annulation. 

 Inhabits Indiana. 



Body black: antennae with a white annulation beginning at the 

 tenth or eleventh joint and ending at the sixteenth or seventeenth ; 

 wings violet black; recurrent nervures of the small cellule, with 

 each a salient angle ; on the anterior one a whitish dot and an 

 the posterior two white dots : a dot also on the posterior nervure 

 of the small cellule ; metathorax with elevated lines and each side 

 behind an acute angle ; abdomen with a short petiole, which is 

 lineated : second segment opaque with confluent punctures, larger 

 towards the base ; color blue-black ; oviduct hardly obvious. 



Length three-fifths of an inch. 



Second joint of maxillary palpi dilated as in Prftastes Illig. 



12. I. residutjs. — Yellowish; antennae white in the middle 

 and black at tip. 



Inhabits Indiana. 



Body yellowish, tinged with rufous: antennae not longer than 

 the thorax, the ten basal joints color of the body, 11, to 16 

 whitish, the remaining joints black; wings hyaline; central 

 cellule pentangular ; posterior tibiae at tip, and posterior tarn, 

 dusky. 



Length more than one-fourth of an inch. Yl 1 *] 



