190 WILLIAM H. ASHMEAD, 



Described from one male, eighteen females reared during February, 

 1881, from a twig gall, Andricus sp. on Querciis ivisliceni, collected 

 by Mr. Albert Koebele. 



Family ICHNEUMONID.E. 



kSubfamily II. Ophionin^. 



Tribe I. Aiiomalonini. 



EXOCHIL.LT]?! Wesmael. 



Exocliiluin acpoiiyctie sp. n. 



9 . — Leugth 26 mm. Head and thorax black, punctulate ; dypeus connected 

 with a line on face, anterior and j'osterior orbits abbreviated above and only rep- 

 resented there by a dot at summit of eyes, yellow; antennae and legs fulvous; 

 the two basal antennal joints entirely and the third joint basally. black; coxa- 

 and apical two-thirds of posterior femora and nearly the apical half of tibise. 

 black ; petiole of abdomen, the second segment, except a longitudinal line above, 

 the third segment and a blotch on the side of the fourth at base rufous, rest of 

 the abdomen black. Wings fuliginous, the outer edge of costse fulvous. 



Hah. — Placer County, California, and Washington, D. C. 



Described from two specimens, one labeled No. 49, , reared March 

 30, 1886, from Acronyda lupina, in California, by Mr. Albert 

 Koebele ; the other reared June 8, 1883, from Acronyda hastilifera 

 at Department of Agriculture. 



This large and beautiful form is allied to Ex. teanipe.^ Cress, and 

 Ex. munditm Say, from both of which it is separated by the different 

 colored legs and abdomen. 



AKGYPOX Forster. 



Argypoii prspdiscae sp. n. 



•J, 9. — Length 7-8 mm. ; ovip. i mm. Head and thorax black, rather coarsely 

 pnnctulate, the punctures on the mesothorax anteriorly more or less confluent ; 

 the insect is sparsely covered with a white pubescence, much denser on the 

 pleura; the mouth parts, face, broad orbital lines connected above with broad 

 post-orbital lines that occupy the whole sides of the cheeks, vary in color from 

 ferruginous to yellow. The antennai, when ))ent backwards, reach to the apex 

 of the petiole ; they are ferruginous, the ai)ical half and the scape above and the 

 second joint basally, black ; in the % they are wholly black, except beneath, for 

 about half their length. The superior margin of prothorax, extending from 

 tegula; but not quite meeting in front, is broadly ferruginous or yellow ; tegula* 

 reddish yellow. Legs ferruginous, anterior and middle pairs a little paler, poste- 

 rior pair have the first joint of trochanters unusually long, superiorly dusky, the 

 second joint above is also black or dusky, the femora at base and apex and the 

 tibife at apex are dusky ; the metathorax is produced into a neck at apex, tlu' 

 length of the neck being about two-thirds the length of the posterior coxai, to 

 which is attached the abdomen ; the whole surface is rugose, and there is a lon- 

 gituilinal shallow channel extending from ba.se of post-scutellum to the ])roduced 



