2 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 82 



first tei'gite a little more than half as broad at apex as long, these 

 specimens are much like the type. 



Because of its rather prominent propodeal angles the female 

 might be run to rutilus Cresson in that author's key to the North 

 American species of Ichneumon; but, as indicated above, rutilus is 

 a Hoplisruenus differing from the present species by the characters 

 distinguishing Hoplismenus from Amblyteles. Run beyond this 

 point in the key, this species is difficult to place, because of the marked 

 variation in the sculpture of the postpetiole, which varies from 

 nearly smooth to rather coarsely rugulose punctate. Specimens with 

 nearly smooth postpetiole run best to ruhicundus Cresson, from 

 which they are at once distinguishable by many characters, includ- 

 ing the longer and more slender antennae, much longer malar space, 

 flat and nearly unseparated clypeus, and the entire lack of the scopa 

 on hind coxa. From soror Cresson, to which those specimens with 

 punctate postpetiole run, it differs by all the characters listed above 

 except the last, as well as in many other details. 



Particularly characteristic of this species is the clypeus. In pro- 

 tile this is flat, continuous with the face, with only a faint indica- 

 tion medially of a separation between the two ; apically the clypeus 

 is very broadly and straightly truncate, with the lateral angles very 

 prominent and extending over the bases of the mandibles. 



AMBLYTELES HETEROCAMPAE, new species 



In Cresson's key to Ichneutiion^ females. Section IV, this species 

 runs to {sigjiatipes Cresson) = duplicatus (Say), from which it is 

 at once distinguishable by its black femora, longitudinally striate 

 postpetiole, rather deep transverse gastrocoeli, and lack of coxal 

 scopa. In the structural characters mentioned above it is very 

 much like funestus (Cresson), from which its red mesoscutum and 

 yellow-annulated tibiae distinguish it. 



Female. — Length 18 mm. Head distinctly narrower than thorax, 

 temples convexly receding, their length (anteroposteriorly) hardly 

 as long as short diameter of eye; diameter of an ocellus slightly 

 less than ocell-ocular or postocellar line, which are about equal; 

 vertex, frons, and temples opaque coriaceous, with distinct separated 

 punctures ; eyes slightly divergent below, their inner margins a weak 

 sigmoid curve with its concave part opposite the frons; face sub- 

 polished, sparsely and coarsely punctate, divided into three some- 

 what tumid areas by a longitudinal impression each side of middle; 

 clypeus rather weakly separated from face, about twice as broad as 

 long, broadly and straightly truncate at apex, polished, with a few 

 coarse punctures in basal middle; mouth fully as broad as face, 

 mandibles rather long and narrow; cheeks in fi'ont view strongly 

 convergent, nearly straight; malar space as long as basal width of 

 mandible; antennae about half as long as body, coiled, 37-jointed, 



