396 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



Tribe PSENINI 



Taxonomy: Evans, 1959a, loc. cit. supra, pp. 139-145, figs. 1-22 (larvae). 



DIODONTUS subgenus DIODONTUS Curtis, p. 958 



atratus parenosas Pate. Calif. (Beverly Hills). 



Biology: Krombein, 1958. Biol. Soc. Wash. Proc. 71: 22. 



Taxonomy: Evans, 1959a, loc. cit. supra, pp. 144-145, figs. 13-19 (larva). 



PSEN subgenus PSEN Latreille, p. 959 



barthi Viereck. 



Taxonomy: Evans, 1959a, loc. cit. supra, pp. 142-143, fig. 20 (larva). 



erythropoda Rohwer. Ind. 



PSEN subgenus PSENEO Malloch, p. 959 

 kohlii kohlii Fox. Replaced by longiventris kohlii Fox. 

 kohlii spicatus Malloch. Syn. of longiventris longiventris (Cameron). 

 longiventris kohlii Fox. Replaces kohlii kohlii Fox. Ind. 



"■longiventris longiventris (Cameron), n. status and n. comb. Mexico 



(Veracruz). 

 Mimesa longiventris Cameron, 1891. Biol. Cent.-Amer., Hym., v. 2, p. 137, 



pi. 8, fig. 18. "?" = $. 

 Psen (Pseneo) kohlii spicatus Malloch, n. syn. (teste K. V. Krombein, who 



examined the type of longiventris Cameron). 



siniplicicornis Fox. 



Taxonomy: Evans, 1959a, loc. cit. supra, p. 142 (larva). 



♦Genus AMMOPSEN Krombein 



Ammopsen Krombein, 1959. Brooklyn Ent. Soc. Bui. 54: 18. 



Type: Ammopsen niasoni Krombein. By monotypy and orig. 

 desig. 



Place before Mimesa Shuckard, p. 959. 



*masoni Krombein. Southern Calif., Ariz., N. Mex. 



Ammopsen masoni Krombein, 1959. Brooklyn Ent. Soc. Bui. 54: 19. $, ?. 



MIMESA subgenus MIMESA Shuckard, pp. 960-961 



basirufa Packard. Prey: Nymph of Idiocerus sp., adult Macropsis viridis 

 (Fitch). 

 Biology: Krombein, 1961. Brooklyn Ent. Soc. Bui. 56: 64. 



ezra (Pate). Pa., Md. 



polita (Malloch). Maine, Md. 



psychrus (Pate). Transf. to subg. Mimumesa, p. 961. 



MIMESA subgenus MIMUMESA Malloch, p. 961 



nigra (Packard). Nests in decaying wood. Prey: Agallia sp. 



Taxonomy: Evans, 1959a, loc. cit. supra, pp. 143-144, figs. 21-22 (larva). 

 Biology: Gurney, 1951. Ent. Soc. Wash. Proc. 53: 280. 



psychrus (Pate). Transf. from subg. Mimesa (teste K. V. Krombein, who 

 examined the type of horealis Smith). 



Genus PLUTO Pate, p. 962 



? albifacies (Malloch). Tex. 



Taxonomy: Evans, 1959a, loc. cit. supra, pp. 140-141, figs. 1-6 (larva). 



sayi (Rohwer). Calif. 



tibialis (Cresson). Ala., S. C. 



