Superfamily APOIDEA 1885 



Taxonomy: Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 248, 250, 252-253, figs. 173, 174, 289. 

 6 (key, tax. characters, geogr. and floral records). 

 xanthisma Cockerel!. Wyo., Nebr., Kans., Tex., N. Mex., Ariz. Pollen: Unknown, but visits 



flowers of Aplopapptis divaricatus, A. stibruginosus, Croton monanthogynus, Grindelia, 

 Gutierrezia, Helianthus annuus, Heterotkeca pilosa, H. subaxillaris, Isopappus 

 divaricatus, Prionopsis ciliata, Sideranthus, Xanthisma texanum. 

 Perdita xanthismae Cockerell, 1905. Ent. News 16: 331. 9. 

 Perdita xanthismae sideranthi Cockerell, 1906. Entomologist 39: 178. 9. 

 Perdita xanthisma Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 29. Emend. 



Taxonomy: Timberlake, 1956. Calif. Univ. Pubs. Ent. 11: 247, 249, 251, 258-259, figs. 187, 188, 

 296. 9 , 6 (key, tax. characters, synonymy, geogr. and floral records). —Timberlake, 1958. 

 Calif. Univ. Pubs. Ent. 14: 390 (geogr. and floral records). —Timberlake, 1968. Calif. Univ. 

 Pubs. Ent. 49: 29-30 (geogr. and floral records). 



Genus PERDITA Subgenus MACROTERA Smith 



Macrotera Smith, 1853. Cat. Hym. Brit. Mus., v. 1, p. 130. 

 Type-species: Macrotera bicolor Smith. Monotypic. 



The species of this subgenus are apparently oligoleges of Opuntia. 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 346, 352-353 (tax. characters, key to 

 included spp.). —Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 375-378 (key to included 

 spp.). 

 crassa Timberlake. Tex. (Sutton and Gillespie Counties). Pollen: Unknown, but possibly an 

 oligolege of Opuntia. 

 Perdita crassa Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 376, figs. 456, 457, 512. 9,6. 

 texana ablusa Timberlake. N. Mex., Tex. Pollen: Collects pollen from flowers of Opuntia 

 phaeacantha var. major. 

 Perdita texana abhisa Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 376. 9,6. 



Biology: Barrows, Chabot, Michener and Snyder, 1976. Kans. Ent. Soc, Jour. 49: 275-279, 4 

 figs, (mating behavior, foraging, floral relationship, variation in head width, as texana). 

 texana texana (Cresson). Tex. (Bastrop, Gonzales, Lee and possibly Travis Counties). Pollen: 

 Unknown, but visits flowers of Opuntia. 

 Macrotera texana Cresson, 1878. Amer. Ent. Soc, Trans. 7: 70. 9 . 

 Macrotera megacephala Cresson, 1878. Amer. Ent. Soc, Trans. 7: 71. 6. 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 353, figs. 5, 6, 118 (tax. characters). 

 —Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 375, 376 (tax. characters, status, 

 synonymy). 



Genus PERDITA Subgenus MACROTERELLA Timberlake 



Perdita subg. Macroterella Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 360. 

 Type-species: Perdita mortuaria Timberlake. Orig. desig. 



Taxonomy: Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 346, 361 (key to included spp.). 

 —Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 7-8 (key to females of included spp.; key to 

 males of carinata, mortuaria, opacella). 

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

 Eriogonum, Eschscholzia minutiflora, Ferrocactus acanthodes. 

 Perdita carinata Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 9, figs. 1197, 1198, 1302. 9, 

 6. 

 mellca Timberlake. Ariz., south. Calif. (Colorado Desert); Mexico (Baja California and Sonora). 

 Pollen: Apparently an oligolege of Euphorbia including E. polycarpa, E. p. var. hxHella. 

 Perdita mellea Timberlake, 1954. Calif. Univ. Pubs. Ent. 9: 364, figs. 33, 34, 132. 6,9. 



Taxonomy: Timberlake, 1960. Calif. Univ. Pubs. Ent. 17: 125 (geogr. and floral records). 

 -Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 7 (key). 



