1724 Hymenoptera in America North of Mexico 



pacificus arizonae Dunning. Wye. to Ariz, and Calif.; Mexico. Ecology: Nests in fine-grained 

 alluvial sand, usually in a colony of only a few individuals, makes up to 3 cells per nest, 

 and stores 8-15 quite small prey per nest. Parasite: Senotainia trilineata (Wulp)?, Prey: 

 Diplazon laetatorius (F.); Chelonus texanus Cr.; Chrysididae sp.; Sfenodynerits 

 valliceps Boh.; Diodontus aier (Mick.), D. gillettei Fox. D. sp., Passaloecus relativus 

 Fox, Pseninae sp.; Solierella blaisdelli (Bridw.); Lindenius columbianus (Kohl); 

 Hylaeus sp.; Perdita fallax Ckll., P. interserta ciliata Timb.; Dialictus incompletus 

 (Cwfd.), D. laevissimus (Sm.), D. rnidoseiisis (Ckll), D. tegularifonnis (Cwfd.), D. spp., 

 Diifourea scabricomis Boh., Evylaeiis niger (Vier.), E. synthridis (Ckll.), E. sp., 

 Halictus confusus Sm., H. ligatus Say, H. tripartittis Ckll., Sphecodes spp. 



Philanthus arizonae Dunning, 1898. Canad. Ent. 30: 155. S. 



Anthopliilus hirticeps Cameron, 1905. Amer. Ent. Soc, Trans. 31: 376. 3. 



Philanthus assimilis Banks, 1913. Amer. Mus. Nat. Hist., Bui. 32: 422. 9. 



Biology: Powell and Chemsak, 1959. Kans. Ent. Soc, Jour. 32: 115-120 (nest, prey; misdet. as 

 politus pacificus Cr.). —Evans, 1970. Mus. Compar. Zool., Bui. 140: 501 (nest, prey, 

 parasite ?; misdet. as pacificus Cr.). 

 pacificus pacificus Cresson. Nev. 



Philanthus pacificus Cresson, 1879. Amer. Ent. Soc, Trans. 7: Proc, p. xxxii. cJ. 

 politus Say. East. U. S. and southeast. Canada. Ecology: Nests in flat or slightly sloping, bare 

 sandy soil, makes up to 4 cells per nest, stores 9-18 small bees per cell. Prey: Hylaeus 

 m. modestus Say, H. verticalis (Cr.), H. ziziae (Robt.), H. sp.; Calliopsis andreniformis 

 Sm.,; Augochlorella aumta (Sm.), A. striata (Prov.), Dialictus albipontis (Robt.), D. 

 cressoni (Robt.), D. i))ntatus (Sm.), D. lineatulus (Cwfd.), D. p. pilosus (Sm.), D. spp., 

 Evylaeus macoupinensis (Robt.), Halictus c. confusus Sm. 

 Philanthus politus Say, 1824. In Keating Narr. Long's 2nd Exped., v. 2, app., p. 343. 

 Philanthus dubius Cresson, 1865. Ent. Soc Phila., Proc 5: 96. 6. 

 Philanthus texanus Banks, 1913. Amer. Mus. Nat. Hist., Bui. 32: 422. 9,6. 



Taxonomy: Evans, 1957. Amer. Ent. Soc, Trans. 83: 84, fig. 20 (larva). 



Biology: Evans and Lin, 1959. Amer. Midland Nat. 17: 116-120, figs. 1, 2 (nest, prey 



transport). 

 psyche Dunning. Iowa to Tex., west to N. Mex., Utah, and Mont., Alta.; Mexico (Chihuahua). 



Philanthus psyche Dunning, 1896. Ent. News 7: 287. 9. 



Philanthus punctinudus Viereck and Cockerell, 1904. N. Y. Ent. Soc, Jour. 12: 144. S. 



Philanthus hermosus Banks, 1913. Amer. Mus. Nat. Hist., Bui. 32: 421. 9. 

 pulcher Dalla Torre. Southwest. States, Wyo., Calif., Alta. Ecology: Nests in large, dense 



aggregations in hard-packed clay-loam, makes up to 6 cells per nest, stores 6-14 small to 

 medium-sized prey per cell. Parasite: Senotainia trilineata (Wulp), Phrosinella 

 fulvicornis Allen. Prey: Scelio sp.; Chrysura pacifica (Say), Elavipus viridicyaneus 

 Nort., Hedychridium fletcheri Bod., Holopyga ventralis (Say), Omalus aeneus (F.); 

 Ancistrocerus c. catskill (Sauss.), Stenodynerus papagoruni (Vier.), Syniniorphus 

 canade7isis (Sauss.); Diodontus argentinae Roh., D. gillettei Fox, D. sp., Miuiesa 

 unicincta Cr., Mimumesa mixta (Fox), Passaloecus cuspidatus Sm., P. relativus Fox, P. 

 sp.; Plenoculus davisi Fox, Tachysphex aethiops Cr., T. nigrior Fox, T. tarsatus (Say), 

 T. sp., Trypoxylon aldrichi Sandh.; Belomicrus forbesii Robt., Crabro florissantensis 

 Roh., Ectemnius dives (Lep. and Br.), Lindenius columbianus (Kohl), Oxybelus 

 unigluviis (L.); Dienoplus pictifrons Fox; Colletes nigrifrons Tit., Hylaeus basalis 

 (Sm.), H. conspicuus (Metz), H. ellipticus (Kby.); Andrena vielanochroa Ckll., 

 Panurginus atriceps (Cr.), P. cressoniellus Ckll., Perdita wyonnngoisis Ckll.; Dialictus 

 laevissimus (Sm.), D. ruidosensis (Ckll.), D. spp., Dufourea maura (Cr.), D. scabricornis 

 Boh., Evylaeus niger (Vier.), Halictus confusus Sm., H. tripartitus Ckll., Sphecodes spp.; 

 Forniicapis clypeata Slad., Hoplitis producta (Cr.), Osniia pentstemonis Ckll., 0. spp., 

 Stelis lateralis Cr.; Nomada spp. 



Philanthus pulchellus Cresson, 1865. Ent. Soc. Phila., Proc. 5: 93. S. Preocc. 



Philanthus pulcher Dalla Torre, 1897. Cat. Hym., v. 8, p. 489. N. name. 



Philanthus clarconis Viereck, 1906. Amer. Ent. Soc, Trans. 32: 206. 9. 



