1898 Hymenoptera in America North of Mexico 



crotonis leucoptera Timberlake. South. Calif. (Riverside, San Diego and San Bernardino 



Counties). Pollen: Apparently an oligolege of Croton califomicus, but also visits flowers 

 of Hoffmanseggia presumably for nectar. 

 Perdita crotonis leucoptera Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 45. 9, 6. 

 crotonis perpicta Timberlake. Nebr., N. Mex. (Arriba County). Pollen: Presumably an 

 oligolege of Croton, but visits flowers of Eriogonum, Euphorbia marginata. 

 Perdita crotonis perpicta Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 74. 9, 6. 

 crotonis subnitens Timberlake. Kans. (Reno County). Pollen: Apparently an oligolege of 

 Crotoyi, visits flowers of C. monanthogynus. 

 Perdita crotonis subnitens Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 48. 9. 

 crotonis titusi Timberlake. Calif. (Chino). 



Perdita crotonis titusi Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 46. 9, cJ. 

 crotonis undecimalis Cockerell. N. Mex. (San Miguel County). Pollen: Presumably an oligolege 

 of Croton, visits flowers of Croton sp. 

 Perdita crotonis undecimalis Cockerell, 1916. Ann. and Mag. Nat. Hist. (8) 17: 281. 9. 



Taxonomy: Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 5, 45. 9 (key, redescription). 

 daiyi Timberlake. Tex. (El Paso). Pollen: Unknown, but visits flowers of Haplopappus 

 heterophyllus. 

 Perdita dalyi Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 119. 9. 

 dilecta Timberlake. Utah (Kane County), Tex. (El Paso). 



Perdita dilecta Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 40, figs. 554, 555, 679. 9,6. 

 discreta Timberlake. N. C. (coastal plains and sand dunes). Pollen: Unknown, but visits flowers 

 of Haplopappus. 

 Perdita discreta Timberlake, 1954. Ent. News 65: 14. 9. 



Taxonomy: Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 12, 22, 115-116, figs. 646, 647, 725. 6, 

 9 (key, redescription, geogr. and floral records). —Mitchell, 1960. N. C. Agr. Expt. Sta. 

 Tech. Bui. 141: 76, 77 table 9 (redescription). 

 dolichocephala Swenk and Cockerell. Nebr., Kans., Colo. (Weld County). Pollen: Unknown, but 

 visits flowers of Amorpha canescens, Boltonia asteroides, Euphorbia, Helianthus 

 petiolaris, H. subrhomboideus, Heterotheca subaxillaris. 

 Perdita dolichocephala Swenk and Cockerell, 1907. Ent. News 18: 54. 9. 

 Perdita wuiideri Cockerell, 1922. Amer. Mus. Novitates 33: 10. 9. 



Taxonomy: Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 12, 19, 116-117, figs. 648, 649, 726. 9, 

 6 (redescription, geogr. and floral records). —Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 

 74 (synonymy, tax. characters). 

 electa Timberlake. Wyo (Sweetwater County). Pollen: Unknown, but visits flowers of 

 Chrysothamnus 7iauseosus. 

 Perdita electa Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 86. 9. 

 elegans Timberlake. Calif. (Colorado Desert), Ariz. (Yuma). Pollen: Unknown, but visits 

 flowers o{ Abro7iia, Larrea tridentata, Palafoxia linearis. Pedis papposa. 

 Perdita elegans Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 55, figs. 568, 569, 686. 9,6. 

 fallax Cockerell. Tex. to Ariz., north to Nebr. and Mont. Pollen: Unknown, but visits flowers of 

 Baileya, Eriogonum, Grindelia, Gutierrezia, Helianthus including H. petiolaris, 

 Heterotheca, Verbesina encelioides. Predator: Philanthus crabroniformis Smith, P. 

 pacificus arizonae Dunning. 

 Perdita fallax Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 90. 9. 

 Perdita erigeronis Cockerell, 1897. Ann. and Mag. Nat. Hist. (6) 19: 898. 6. 

 Perdita fallax fontis Cockerell, 1922. Amer. Mus. Novitates 33: 9. 9. 



Taxonomy: Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 11, 20, 106-108, figs. 634, 635, 719 

 (key, redescription, geogr. and floral records). —Timberlake, 1968. Calif. Univ. Pubs. Ent. 

 49: 65, 74-75 (key, synonymy, variation, geogr. and floral records). 

 flavicauda Timberlake. Calif. (Colorado Desert). Pollen: Unknown, but visits flowers of Larrea 

 tridentata, Melilotus, Noma hispidum, Sphaeralcea. 

 Perdita flavicauda flavicauda Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 39. 9 

 (Misspelled flavicauda flavicanda in key, p. 4). 



