502 



U. S. NATIONAL MUSEUM BULLETIN 216 



PART 3 



3. Genus Agonocryptus 



Figures 325,a; 329,p 



Agonocryptus Cushman, 1929, Proc. U.S. Nat. Mus., vol. 74, art. 16, p. 6. Type: 

 Mesostemis discoidaloides Viereck; original designation. 



Front wing 5.3 to 13 mm. long; clypeus small, its basal half convex 

 and apical half flattened with usually a minute median tubercle or ir- 

 regularity, its apical margin broadly truncate, without a median tooth ; 

 sternaulus weak; pleural carina absent; transverse propodeal carinae 

 present, complete or the apical one obsolete medially, both carinae 

 evenly arcuate, the apical carina near apex of propodeum; areolet 

 small, short rectangular; nervulus basad of basal vein by about 0.4 

 its length; nervellus broken a little above middle; first tergite without 

 a subbasal lateral tooth and without median dorsal carinae, its spiracle 

 at or just basad of its midlength; ovipositor sheath about 0.44 as 

 long as front wing; ridges on ovipositor tip moderately distant. 



This is a moderately large genus, restricted to the Neotropic region 

 except for the single Nearctic species described below. 



Agonocryptus discoidaloides (Viereck) 



Figures 338,e,f 



Mesostenus discoidaloides Viereck, 1905, Trans. Kansas Acad. Sci., vol. 19, p. 

 319; 9- Type: ?, Rock Creek, 900 ft., Douglas Co., Kans. (Lawrence). 



Front wing of male 5.3 to 8.4 mm. long, of female 6.5 to 11.5 mm. 

 long. 



Male: Head, body, and hind coxa marked with black, white, and 

 fulvous as in figure 338, e; antenna black, the flagellum with a white 

 band; labrum and palpi white; mandible brown, white basally; 

 mesoscutum with a median elliptic white spot; front and middle 

 coxae and first trochanters white, the middle first trochanter often 



Figure 288.— Localities for 

 Agonocryptus discoidaloides. 



