1634 Hymenoptera in America North of Mexico 



boregensis boregensis Williams. Calif. (Borego in San Diego Co.). 



Plenoculus boregensis boregensis Williams, 1960. Calif. Acad. Sci., Proc. (4) 31: 20, figs. 

 26-29. 9,3. 

 boregensis perniger Williams. Calif. (Thousand Palms). 



Plenoculus boregensis perniger Williams, 1960. Calif. Acad. Sci., Proc. (4) 31: 21. S. 

 cockerellii Fox. Southern Calif, to western Tex.; Mexico (Baja California, Guerrero). Ecology: 

 Nests in sand. Prey: Pyralididae spp. larvae. 

 Plenoculus Cockerellii Fox, 1894 (1893). Acad. Nat. Sci. Phila., Proc, 45: 538. 9. 



Biology: Williams, 1960. Calif. Acad. Sci., Proc. (4) 31: 46-47 (nest, prey transport). 

 cuneatus Williams. Southern Calif, and Nev. 



Plenoculus cuneahis Williams, 1960. Calif. Acad. Sci., Proc. (4) 31: 12, figs. 10, 17, 18, 24, 

 25. 9, 6. 

 davisi atlanticus Viereck. Coastal Conn, to Fla., Tex. Ecology: Nests in open sand, provides up 

 to 7 prey per cell. Prey: Phytocoris sp. nymphs and adult. 

 Plenoculus atlanticus Viereck, 1902. Ent. News 13: 74. 6. 



Taxonomy: Krombein, 1955. Ent. Soc. Wash., Proc. 57: 146. 



Biology: Kurczewski, 1968. Kans. Ent. Soc, Jour. 41: 181, 191, 192, 194-199, 202, 205 (nest, 



prey transport, egg). 

 davisi davisi Fox. Conn, to Fla. west to Alaska, B. C, Idaho and Calif.; Mexico (Baja 



California, Sinaloa, Nayarit, Durango). Ecology: Nests in sand, constructs 1-4 cells per 

 nest and stores 2-24 prey per cell. Prey: Arhyssus lateralis (Say) adult; Aphidae sp. 

 immature; Adelpliocoris rapidus (Say), Amblytyius nasutus (Kirschb.), Campylonuna 

 verbasci (Meyer), Chlamydatus associatus (Uhl.), Collaria sp. ?, Halticus bracteatus 

 (Say), Lopidea robiniae (Uhl.), Lygus lineolaris (Beauv.), Neolygus sp. ?, Orthocephalus 

 niutabilis (Fall), Orthotylus chorionis (Say), 0. marginatus (Uhl.), 0. quercicola Knight, 

 0. sp., Pilophorus amoemis Uhl., P. sp., Plagiognathus chrysanthemi (Wolff), P. poliius 

 Uhl., P. sp., Poecilocapsus lineatus (F.), Psallus seriatus Reut. ?, Stenotus binotatus 

 (F.), Trigonotylus ruficomis (Geoff.), T. sp., Mirinae spp., Phylini spp.; adults are stored 

 more commonly than nymphs. Predator: Philanthus pulcher D. T., P. crabroniformis 

 Sm. 



Plenoculus davisi Fox, 1893. Psyche 6: 554. 9,6. 



Plenoculus abdominalis Ashmead, 1899. Psyche 8: 339. S. 



Plenoculus apicalis Williams, 1914 (1913). Kans. Univ. Sci. Bui. 8: 175. 9, 6. 



Taxonomy: Evans, 1959. Amer. Ent. Soc, Trans. 85: 166-167, figs. 54-59 (larva). 



Biology: Williams, 1914 (1913). Kans. Univ. Sci. Bui. 8: 207-208, fig. 120 (nest, prey transport). 



-Williams, 1960. Calif. Acad. Sci., Proc. (4) 31: 46 (prey). —Evans, 1961. Ent. News 72: 



223-228 (nest, prey transport, life cycle). —Kurczewski, 1968. Kans. Ent. Soc, Jour. 41: 



179-207, 20 figs, (nest, prey transport, egg). —Evans, 1970. Mus. Compar. Zool., Bui. 140: 



488 (nest, prey, predator). 

 davisi gracilis Williams. Calif. (Riverside Co.). 



Plenoculus davisi gracilis Williams, 1960. Calif. Acad. Sci., Proc. (4) 31: 42, fig. 54. 9. 

 davisi mojavensis Williams. Southern Calif., Ariz., N. Mex. 



Plenoculus davisi mojavensis Williams, 1960. Calif. Acad. Sci., Proc. (4) 31: 39, figs. 86, 88. 

 9, i. 

 davisi transversus Williams. Calif. (Tulare and Riverside Counties). 



Plenoculus davisi transversus Williams, 1960. Calif. Acad. Sci., Proc. (4) 31: 40, figs. 8, 57, 

 59. 9. 

 deserti Williams. Southern Calif. 



Plenoculus deserti Williams, 1960. Calif. Acad. Sci., Proc. (4) 31: 26, figs. 85, 87. 6, 9. 

 gillaspyi Krombein. Tex. (Williamson Co.). 



Plenoculus gillaspyi Krombein, 1938. Ent. Soc. Amer., Ann. 31: 468. 9. 

 palmarum Williams. Southern Calif. 



Plenoculus palmarum Williams, 1960. Calif. Acad. Sci., Proc. (4) 31: 22, figs. 9, 36, 37, 71, 

 73,78. 6, 9. 



