1884 Hymenoptera in America North of Mexico 



georgica Timberlake. N. C. to Fla., west to Miss. Pollen: Unknown, but visits flowers of Aster, 

 Clirysopsis mariana, C. microcephala, Haplopappiis, Heterotlieca, Isopappiis. 

 Perdita georgica Timberlake, 1928. Hawaii. Ent. Soc, Proc. 7: 158. 6,9. 



Taxonomy: Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 249, 251, 257, figs. 185, 186, 295 (key, 

 tax. characters, geogr. and floral records). —Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. 

 Bui. 141: 307-308, figs. 72-74, table 9 (redescription). 

 graenicheri Timberlake. Fla. (Miami). Pollen: Unknown, but visits flowers of Clirysopsis 

 tracyi. 

 Perdita graenicheri Timberlake, 1947. Ent. Soc. Wash., Proc. 49: 82. 9, 6. 



Taxonomy: Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 249, 252, 264, figs. 197, 198, 301 

 (key). -Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 308-309, figs. 72, 73, table 9 

 (redescription). 

 heterothecae heterothecae Cockerell. Ariz., Utah (San Juan County), south. Calif. (Colorado 

 Desert), Mexico (Baja California). Pollen: Unknown, but visits flowers of Aster 

 tephrodes, Grindelia, Gutierrezia califomica, G. sarothrae, Heliotropium curassavicum, 

 Heterotheca grandiflora, H. siibaxillaris, Tamarix. 

 Perdita heterothecae Cockerell, 1900. Entomologist 33: 62. 9, 6. 



Taxonomy: Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 248, 251, 260-261, figs. 191, 192, 298 

 (key, tax. characters, geogr. and floral records). —Timberlake, 1971. Calif. Univ. Pubs. Ent. 

 66: 10 (geogr. and floral records). 

 heterothecae trizonata Timberlake. Ariz. (Willcox). Pollen: Unknown, but visits flowers of 

 Aster intricatus, Euphorbia. 

 Perdita heterothecae trizonata Timberlake, 1962. Calif. Univ. Pubs. Ent. 28: 96. 9, d. 

 ignota basalis Timberlake. Tex. (Hidalgo County); Mexico (Tamaulipas). 



Perdita ignota basalis Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 391. 9, d. 

 ignota crawfordi Cockerell. Colo., Nebr., Kans., Okla., Mo. Pollen: Unknown, but visits flowers 

 of Chrysopsis, Grindelia, Heterotheca subaxillaris, Isopappus divaricatus, Prionopsis 

 ciliata, Sideranthus nibiginosus. 

 Perdita crawfordi Cockerell, 1901. Entomologist 34: 190. 6, 9. 



Taxonomy: Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 262-263, figs. 195, 196, 300 (tax. 

 characters, geogr. and floral records). 

 ignota ignota Cockerell. Tex., Colo., Ariz.; Mexico (Chihuahua and Zacatecas). Pollen: 



Unknown, but visits flowers of Baccharis, Chrysopsis nitteri, Erigeron, Heterotheca, 

 Sideranthus, Solidago. 

 Perdita ignota Cockerell, 1896. Ent. Monthly Mag. 32: 220. 9. 



Taxonomy: Cockerell, 1907. Colo. Univ., Studies 4: 247. 9, cJ. —Cockerell, 1922. Amer. Mus. 

 Novitates 33: 7 (tax. characters). —Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 250, 252, 

 262 (key, tax. characters, geogr. and floral records). —Timberlake, 1971. Calif. Univ. Pubs. 

 Ent. 66: 10 (geogr. record). 

 ignota isopappi Timberlake. East. Tex., La. Pollen: Unknown, but visits flowers of 



Aphanostephus skirrhobasis. Aster tanacetifolius, Chrysanthemum, Chrysopsis 



nuttallii, Grindelia, Helenium tenuifolium, Heterotheca latifolia, H. pilosa, H. 



subaxillaris, Isopappus divaricatus, Prionopsis ciliata, Xanthisma texanum var. 



dmmmondii. 

 Perdita isopappi Timberlake, 1928. Hawaii. Ent. Soc, Proc. 7: 152. 6,9. 



Taxonomy: Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 249, 252, 263-264 (key, tax. 

 characters, geogr. and floral records). 

 nubila Timberlake. Fla., Ark., Kans. Pollen: Unknown, but visits flowers of Erigeron ramosus. 

 Perdita nubila Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 392. 9,6. 



Taxonomy: Timberlkake, 1968. Calif Univ. Pubs. Ent. 49: 29 (geogr. records). 

 pratti Cockerell. Tex., Okla., Kans. Pollen: Unknown, but visits flowers of Helenium, 

 Helianthus cucumerifolius, H. petiolaris, Heterotheca latifolia, H. subaxillaris. 

 Perdita pratti Cockerell, 1906. Entomologist 39: 125. 9. 



