AMERICAN HYMENOPTERA. 19 



versely compressed appearance; wings fuliginous, lanceolate cell contracted 

 in middle; anterior femora and tibiae with a pale line beneath; abdomen 

 polished, immaculate. Length .35 inch. 

 Hab. — California, (H. Edwards). 



JNIacrophya oregona. — 9 . — Black ; anterior margin of clypeus, labrum, 

 most of palpi, more or less of joints 4 — 7 of antennae within, spot on scutellum, 

 line on four anterior coxae laterally, large elongate spot on outer basal side of 

 posterior pair, all the trochanters, line on four anterior femora at tip, line 

 on their tibiae before, spot at tip of posterior tibiae above and base of terminal 

 joint of all the tarsi, white; antennae as long as head and thorax, third joint 

 as long as fourth and fifth together; vertex and mesothorax closely punctured; 

 wings hyaline, slightly dusky on apical third, nervures and stigma fuscous 

 or black, lanceolate cell contracted in middle; abdomen smooth and shining. 

 Length .37 inch. 



Hab. — Oregon, (H. Edwards). 



Ulacropliya succincta. — 9- — Short, robust, black; head and thorax 

 closely and confluently punctured, opaque; clypeus, labrum, spot on base of 

 mandibles, palpi, two basal joints of antennae and base of third, posterior 

 angles of prothorax, sometimes two spots on disk of mesothorax, ovate spot on 

 pleura, sometimes much reduced or wanting, scutellum, tegulse, tips of coxae, 

 trochanters, four anterior legs, posterior femora and tibiae except tips, base of 

 their tarsi, basal plates, and narrow apical margin of abdominal segments 

 above, sometimes obscurely so, yellowish-white; wings yellowish-hyaline, 

 nervures fuscous, stigma and costal nervure fulvous, lanceolate cell contracted 

 in middle; antennae thickened towards tip. Length .35 inch. 



Hub. — Georgia, (Morrison); Texas, (Belfrage). Allied to Inttr- 

 media Norton. 



IVIacropliya bicolorata. — 9 •" Black; vertex flattened, closely punc- 

 tured, eyes very prominent; antennae not longer than head and thorax, rather 

 slender; wings pale fuscous, nervures black, lanceolate cell contracted in 

 middle; abdomen except basal plates, which are subviolaceous, bright fer- 

 ruginous or sanguineous. Length .36 inch. 



Hab. — California, (H. Edwards). 



STRONGYI.OGASTER Dahlb. 



Stroiigylogaster fidus. — 9- — Black, shining; clypeus more or less, 

 labrum, mandibles except tips, palpi, dot at summit of eyes, posterior angles 

 of prothorax, tegulae, and tips of coxae, whitish ; femora and tibiae fulvous or 

 ferruginous, tarsi fuscous; wings faintly dusky, nervures black, base of stigma 

 pale, lanceolate cell with oblique cross-line, under wing without middle cell; 

 abdominal segments 2 — 5 except lateral margin, fulvous, middle of venter 

 sometimes pale. Length .30 — .35 inch. 



Hub. — Colorado, Nevada, (Morrison); California, (H. Edwards). 



Stroiigylogaster tibialis. — 9 -—Black, shining; palpi, posterior angles 

 of prothorax, tegulae, tips of femora, four anterior tibiae, and basal fourtii of 

 posterior pair, white; wings hyaline, nervures fuscous, lanceolate cell with 

 oblique cross-line, under wing with two middle cells; posterior margin of first 



