1612 Hymenoptera in America North of Mexico 



Type-species: Tiynberlakena {Riparena) cahnilla Pate. Orig. desig. 

 Timberlakena subg. Mojavena Pate, 1939. Amer. Ent. Soc, Trans. 64: 381. 



Type-species: Timberlakena (Mojavena) yucaipa Pate. Orig. desig. 

 Timberlakena subg. Timberlakena Pate, 1939. Amer. Ent. Soc, Trans. 64: 383. 



Type-species: Timberlakena (Timberlakena) nolcha Pate. Orig. desig. 



Females lack a tarsal pecten and pygidium so it is presumed that they may nest in 

 pre-existing cavities, such as abandoned beetle borings, in twigs or structural lumber. 



Revision: Pate, 1989. Amer. Ent. Soc, Trans. 64: 374-390, figs. 1, 2, 4, 5, 7-9, 13-16. 

 cahuilla Pate. Calif. (Riverside Co.). 



Timberlakena (Riparena) cahuilla Pate, 1939. Amer. Ent. Soc, Trans. 64: 378. 9, S. 



hualga Pate. Calif. 



Timberlakena (Timberlakena) nolcha hnalga Pate, 1939. Amer. Ent. Soc, Trans. 64: 388. 

 9,6. 

 nolcha Pate. Ariz., Calif., Idaho. 



Timberlakena (Timberlakena) nolcha nolcha Pate, 1939. Amer. Ent. Soc, Trans. 64: 385. 

 9,6. 

 ocha Pate. Calif. (Riverside Co.), Ariz. 



Timberlakena (Timberlakena) ocha Pate, 1939. Amer. Ent. Soc, Trans. 64: 389. 9. 

 yucaipa Pate. Calif. (San Bernardino Co.). 



Timberlakena (Mojavena) yncaijxi Pate, 1939. Amer. Ent. Soc, Trans. 64: 381. 9,6. 



Family ASTATIDAE 



So far as is known all members of this family are ground-nesting forms, making one or more 

 cells per nest, and preying principally upon nymphal Hemiptera. The only group that occurs in 

 the New World is the typical subfamily Astatinae. 



Subfamily ASTATINAE 



Taxonomy: Maidl and Klima, 1939. Hym. Cat., Pars 8, Sphecidae, pp. 7-29 (world catalog). 

 — Evans, 1958. Amer. Ent. Soc. Trans. 84: 109-113, Figs. 1-8, 46-48 (larvae). —Evans, 1959. 

 Amer. Ent. Soc, Trans. 85: 165-166 (larvae). —Parker, 1962. Ent. Soc. Amer., Ann. 55: 

 643-644 (key to genera). —Parker, 1966. Ent. Soc. Amer., Ann. 59: 765-766, 10 figs, (key to 

 N. Amer. genera). 



Biology: Evans, 1958 (1957). N. Y. Ent. Soc, Jour. 65: 159-185, 8 figs, (ethology of world 

 spp.). 



Genus DIPLOPLECTRON Fox 



Diploplectron Fox, 1893. Amer. Ent. Soc, Trans. 20: 38. 



Type-species: Liris ^ bnmneipes Cresson. Monotypic 



Revision: Parker, 1972. Ent. Soc. Amer., Ann. 65: 1192-1203, 37 figs. (N. Amer. spp.). 



Taxonomy: Ashmead, 1899. Ent. News 10: 55-56 (key to N. Amer. spp.). — Rohwer, 1909. 

 Amer. Ent. Soc, Trans. 35: 123-124 (key to N. Amer. spp.). — Krombein, 1939. Brooklyn 

 Ent. Soc, Bui. 34: 138-139 (key to N. Amer. spp.). 

 beccum Parker. Calif., Nev., Utah, Ariz., southwest. Tex. 



Diploplectron beccum Parker, 1972. Ent. Soc. Amer., Ann. 65: 1195, figs. 5, 19, 32. 6, 9. 

 brunneipes (Cresson). Idaho, Wyo., Colo., Calif. Ecology: Makes a nest of 2-3 cells in 



hard-packed sandy clay, stores 6 prey per cell. Prey: Uhleriola floralis (Uhler), nymphs. 

 Predator: Philanthus pacificus Cr. 

 Liris i brunneipes Cresson, 1881. Amer. Ent. Soc, Trans. 9: Proc p. iii. 9 (misdet. in 



part), 6. 

 Diploplectron bidentatns Ashmead, 1899. Ent. News 10: 56. "9" = 6. 

 Diploplectron foxii Ashmead, 1899. Ent. News 10: 56. 9. 

 Diploplectron bidentatiformis Rohwer, 1909. Amer. Ent. Soc, Trans. 35: 121. 6. 



