AMERICAN HYMENOPTERA. 15 



Subgenus Eriocampa Hartig. 

 Selandria obscurata. — S9- — Black; antennae short, robust, third 

 and fourth joints about equal in length; tip of labrum, narrow upper margin 

 of prothorax, tegulae, knees, four anterior tibife, and base of posterior tibiee 

 of 9 (Whitish; wings more or less tinged with fuliginous towards base, nerv- 

 ures and stigma fuscous, lanceolate cell with oblique cross-nervure, under 

 wing with one middle cell; abdomen of 9 broad, short, of % longer and nar- 

 rower, the segments above with a lateral ovate dull luteous spot, very obscure 

 in 9. Length .23— .25 inch. 



Hnb. — Colorado, (Morrison). The ornamentation of the abdomen 

 of this species resembles that of Emphytus maculatus. 



Selandria Belfragei. — 9- — Robust, black; mouth obscurely dull tes- 

 taceous ; antennae short, third joint nearly twice tlie length of fourth ; pro- and 

 raesothorax and tubercles yellowish-ferruginous; tegulae pale yellow; wings 

 faintly dusky, nervures and stigma black, lanceolate cell with oblique cross- 

 uervure, under wing with one middle cell; trochanters more or less, tips of 

 femora, tibiae, and tarsi except tips, whitish ; abdomen short, robust, scarcely 

 longer than head and thorax. Length .25 inch. 

 Hab. — Texas, (Belfrage). 



Subgenus Selandria Hartig. 

 Selandria decolorata. — %. — Black; head unusually transverse, eyes 

 prominent; antennae as long as head and thorax, unusually robust, third joint 

 a little longer than fourth; tegulse and legs except coxae and trochanters, pale 

 yellowish-white; wings tinged with dusky towards base, nervures and stigma 

 pale fuscous, lanceolate cell without cross-nervure, under wing with one long 

 middle cell; abdomen longer than head and thorax, depressed, dull yellowish, 

 black at extreme base. Length .25 inch. 

 Hab. — Colorado, (Morrison). 



Selandria curialis. — 9 • — Black, shining ; clypeus more or less, narrow 

 upper margin of prothorax, spot on tegulse, trochanters, four anterior femora 

 iu front, all the tibiae except tips, and base of their tarsi, white ; antennae about 

 as long as head and thorax, medial joints thickened, third joint longer than 

 fourth; lower ocellus in a broad shallow basin; wings subhyaline, nervures 

 and stigma black, lanceolate cell without cross-nervure, under wing with two 

 long middle cells. Length .28 inch. 



'J,. — Narrower than 9; four anterior tibiae are black behind and the pos- 

 terior pair are black, with a white line above extending from base nearly 

 two-thirds to tip, their tarsi entirely black; abdomen longer and narrower. 

 Length .26 inch. 



Hab. — Mexico, (Sumichrast). 



AL.L,ANTUS Panz. 

 Allantus opimus. — 9. — Robust, dull black; clypeus, labrum, mandi- 

 bles except tips, palpi, spot on sides of collar, posterior angles of prothorax, 

 scutelluni, spot on pleura posteriorly, two spots above posterior coxae, most of 

 legs, spot on sides of basal plates, spot on sides of first abdominal segment 

 above, line on sides of second, and band more or less sinuous anteriorly, on 



