IfEW ICHIsrEU]\rON-rLIES CUSHMAX 365 



Thorax rather slender; notaulices absent; scuteUiim narroAv, not 

 at all margined ; propodeum with carhiae, bnt separated from meta- 

 pleuron by a distinct but uneven pleural carina, spiracles small. 



Legs extremely slender, hind femur fully nine times as long as 

 deep and fully three-fourths as long as tibia; inner calcarium half 

 iis long as basitarsus; claws slender, entirely without teeth; coxae 

 with sculpture and vestiture like thoracic. 



Wings: Apical abscissa of radius strongly curved, hardly a half 

 longer than basal abscissa; second recurrent very strongly curved, 

 subangulate near top; nervulus slightly postf ureal; abscissula twice 

 as long as intercubitella. 



Abdom.en slender, compressed but not deep at apex, subpolished, 

 subtly shagreened and with scattered small punctures basally, 

 polished and unsculptured apically; first tergite twice as long as 

 broad, widening almost evenly from base to apex; second a little 

 longer than broad at base ; ovipositor straight, sheath slightly shorter 

 than first tergite. 



Head and thorax black; mandible medially, transverse ridge of 

 clypeus (sometimes the apical portion), and collar whitish; apex of 

 clypeus, anteroventral and upper margins of i)ronotum partly, 

 notaulices and lateral margins of mesoscutum, scutellum laterally 

 and apically, postscutellum, tegula, subalar tubercle, and apices of 

 propodeum and metapleuron yellow to yellowish ferruginous; legs 

 ferruginous, coxae and trochanters black, front and middle ones 

 reddish below, hind coxa reddish piceous above, hind tarsus black; 

 wrings hyaline, venation black, stigma pale at extreme base; abdomen 

 bright ferruginous, epipleura and sternites of segments 1-3 edged 

 with black, plica dusky testaceous ; sheath black. 



Male. — Essentially like female, but flagellum distinctly less slender, 

 legs even more slender and abdomen narrower, markings of thorax 

 and legs paler ; hind coxa entirely black ; genital sheath ferruginous. 



Type locality. — Corvallis, Oreg. 



ry^e.— U.S.'n.M. No. 53496. 



Three females and one male collected October 25, 1935, by G. R- 

 Ferguson. 



ATOPOTROPHOS, new name 



Atopognat litis Ctjshman, Proc. Eat. Soc. Washington, vol. 21, p. 116, 1919. Pre- 

 occupied by At opognathus Bigot (1881) in Diptera. 



I am indebted to Dr. Henry K. Tovrnes, Jr., for calling my atten- 

 tion to the preoccupation of ni}- generic name. 



ATOPOTROPHOS COLLARIS (Cushman), new combination 



Atopognatlms eollaris Cushman, Proc. Ent. Soc. Washington, vol. 21, p. 117, 

 fig. 1, 1919. 



