8 E. T. CRESSON. 



flagellum long and equal in length ; most of prothorax, sides of anterior lobe 

 of niesothorax, and inner margin of lateral lobes, lateral scutellar region, sides 

 of pleura more or less, and tegulse, reddish-brown; wings broad, hyaline, 

 iridescent, nervures and stigma brown, third submarginal cell small, nearly 

 rectangular, tips of posterior tibiae and their tarsi, black; abdomen short, sub- 

 ovate. Length .20 inch. 



JIah. — California, (Henry Edwards). 



Neniatns limbatus. — 9 . — Black ; orbits obscurely rufo-piceous ; middle 

 of face, anterior margin of clypeus, labrum, base of mandibles and palpi, more 

 or less pale; antennje slender, more than half the length of the body, the two 

 basal joints of the flagellum of equal length, the third shorter; most of pro- 

 thorax, tegulse, legs and abdomen, except a broad median stripe above, honey- 

 yellow; wings hyaline, iridescent; nervures and stigma fuscous, costal margin 

 of the latter black, second submarginal cell broad, receiving the first recurrent 

 nervure one-third from the base, the second coinciding with the second trans- 

 verso-median nervure, third submarginal more than half the length of the 

 second, of nearly equal width; in one specimen the second transverso-median 

 nervure is wanting in both anterior wings; tips of posterior tibise and their 

 tarsi black; abdomen broad-ovate, depressed, ridged down the back. Length 

 .25 inch. 



Ilab. — Illinois, (Walsh). 



Bfeinatns corylws. — 9- — Black, shining; most of clypeus, labrum, 

 mandibles except tips, jjalpi and scape, more or less pale; antennae nearly 

 as long as the body, slender, three basal joints of flagellum of nearly equal 

 length; posterior angles of prothorax and tegulse yellowish; wings hyaline, 

 nervures and stigma black or fuscous, costal nerve dull luteous; second sub- 

 marginal cell receiving the first recurrent nervure less than one-third from 

 the base and the second near the tip; legs yellowish white, tips of posterior 

 femora, apical half of their tibise and their tarsi entirely, black; abdomen 

 broad-ovate, depressed, pale fulvous, the three or four basal segments above 

 more or less black or fuscous medially, this color sometimes reaching nearly to 

 the lateral margin; venter entirely yellowish-fulvous. Length .25 inch. 



Hah. — Pennsylvania. Bred from small larvae found on the Hazel. 



Neniatns discolor.— 9 .—Robust, dull honey-yellow or fulvo-luteous, 

 subopaque; most of vertex, occiput, spot or stain on each side of face, tips of 

 mandibles, palpi, antennae, mesothorax except narrow margin of the lobes, 

 apex of scutc'llum, postscutellum, metathorax, upper margin of pleura, pectus, 

 base of coxae, line on femora above and beneath, the tibiae above more or less, 

 tips of tarsi, the posterior pair entirely, posterior margin of basal plates, and 

 sometimes spots at tip of apical segments of abdomen, all black or fuscous; 

 antennae not longer than head and thorax, slender, third joint shorter than 

 the third and fourth which are of nearly equal length; wings faintly tinged 

 ■with dusky, nervures and stigma black or fuscous, second submarginal receiv- 

 ing the first recurrent nervure about one-third from the base and the second 

 about one-sixth from the tip, the third submarginal about two-thirds the length 

 of the second, much widened at tip. Length .35 inch. 

 Hah. — Colorado, (Morrison). 



