PROC. ENT. SOC. WASH., VOL. 74, NO. 4, DECEMBER, 1972 397 VERHOEFF, P. M. F. 1951. Notes on Astata Latreille (Hymenoptera: Sphe-coidea). Zool. Med. 31:149-164. WILLIAMS, F. X. 1946. Two new species of Astatinae, with notes on the habits of the group (Hymenoptera: Sphecidae). Proc. Hawaiian Ent. Soc. 12: 641-650. . 1950. The wasps of the genus Solierella in CaHfornia. Proc. Cahf. Acad. Sci. 26:355-417. NEW NORTH AMERICAN PHILANTHUS ( Hymenoptera : Sphecidae ) R. M. Bohart, Department of Entomology, University of California, Davis, California 95616 ABSTRACT — Five new species of Philanthus are described: arizonicus from Arizona, levini and nasalis from Cahfornia, michelbacheri from Baja Cahfomia, and schusteri from southern CaHfornia and Arizona. During preparation of a treatise on Philanthus of California, several unnamed species were found and these are described below. Types are placed in the Entomology Museum at the University of California, Davis, except for P. michelbacheri which will go to the California Academy of Sciences. Paratypes have been distributed to various museums but particularly the following: California Insect Survey, University of California, Berkeley; University of California, Riverside, Los Angeles County Museum; Arizona State University, Tempe; Uni-versity of Idaho, Moscow; and U. S. National Museum. Philanthus arizonicus R. Bohart, n. sp. Male. Length 11.5 mm, forewing 9.0 mm. Black, marked with yellow as follows: mandible mostly, clypeus and most of frons below midocellus (fig. 1), a pair of postocellar dots, 4 large postocular spots, pronotal ridge, pronotal lobe and associated mesopleural spot, other mesopleural dots, lateral scutal spots, scutellum centrally, band across metanotum, lateral propodeal spot, co.xal spots, femora distally, tibiae and tarsi mostly, broad band across middle of tergum I, other terga almost wholly, sterna I-VI extensively; clypeal brush tawny; wing veins and stigma red as well as spots on malar space, vertex, scape, pedicel, flagel-lomere I entirely, coxae and femora mostly, trochanters and tibiae partly, sterna I-II partly, other sterna slightly; wing membrane extensively dusky. Pubescence whitish to pale yellowish. Setigerous punctures of clypeus separated by 1 to 2 puncture diameters, becoming sparse near top margin, polished between; upper
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