Descriptions of new species of Hymenoptera. 73 
line band hardly beyond the middle and an abbreviated 
one nearer the tip; stigma pale ferruginous; inferior 
wings dusky, with a semifasciate on the middle with hy- 
aline; oviduct black; pectus incisures black; posterior 
tibise blackish at tip. 
Length two-fifths of an inch. 
11. I. morulus. Black; antennBe with a white annula- 
tion. 
Inliah. Indiana. 
Body black; antennse. with a white annulation begin- 
ning at the tenth or eleventh joint and ending at the six- 
teenth or seventeenth; wings violet-black; recurrent ner- 
vures of the small cellule, with each a sallient angle; on 
the anterior one a whitish dot and on the posterior one two 
whitish 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; colour blue-black; 
oviduct hardly obvious. 
Length three-fifths of an inch. 
Second joint of maxillary palpi dilated as in Peltas- 
TES, Illig. 
12. I. residuus. Yellowish; antennse white in the mid- 
dle and black at tip. 
Lihab. Indiana. 
Body yellowish, tinged with rufous; antennse not long- 
er than the thorax, the 10 basal joints colour of the body, 
11 to 16 whitish, the remaining joints black; icings hya- 
line; central cellule pentangular; posterior tibiae at tip, 
dLud posterior tarsi, dusky. 
Length more than one-fourth of an inch. 
