1924 Hymenoptera in America North of Mexico 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 151. 6 (geogr. and floral record). 

 tarda Cockerell. N. Mex. (Las Cruces). Pollen: Unknown, but visits flowers of Gutierrezia 

 microcephala. 

 Perdita tarda Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 85. 6. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 146, 151, 279-280 (redescription of 

 type specimen). 

 tenebrosa Timberlake. Ariz. (Chiricahua Mts.). 



Perdifa tenebrosa Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 131. 9. 

 tessellata Timberlake. Idaho (Elmore County), Nev. (Battle Mountain). Pollen: Unknown, but 

 visits flowers oi Chaenactis, Tetradymia. 

 Perdita tessellata Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 264, figs. 1027, 1028, 1157. 

 6. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 113, 117, 151-152, fig. 30. 9, S (key, 

 redescription, geogr. and floral records). 

 thelypodii Timberlake. Calif. (Inyo and Los Angeles Counties). Pollen: Unknown, but visits 

 flowers of Cleomella obtusifolia, Thelypodium brack ycarpiivi. 

 Perdita thelypodii Timberlake, 1958. Calif. Univ. Pubs. Ent. 14: 354, figs. 432, 433, 500. 9, 

 6. 

 tortifoliae fremonti Timberlake. South. Calif. (Mohave Desert), Nev. (Clark County), Utah 

 (Washington County). Pollen: Collects pollen from the flowers oi Lepidium fremontii. 

 Perdita fremonti Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 250, figs. 1011, 1012, 1149. 

 9, S. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 143 (tax. status, geogr. and floral 

 records). 

 tortifoliae tortifoliae Cockerell. Colo. (Florissant and Wilkerson Pass), N. Mex. (Rio Arriba 

 County). Pollen: Presumably collects pollen from the flowers of Lepidium jonesii, but 

 also visits flowers of Bigelovia tortifoliae, Eriogonum umbellatiim, Ranunculus 

 eremogenes. 

 Perdita tortifoliae Cockerell, 1906. Amer. Mus. Nat. Hist., Bui. 22: 440. 9. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 132, 144, 245-247, figs. 45, 1005, 

 1006, 1146. 9, 6 (key, redescription, geogr. and floral records). —Timberlake, 1968. Calif. 

 Univ. Pubs. Ent. 49: 143 (tax. status, geogr. and floral record). 

 triangulifera Timberlake. West. Tex. to south. Calif., deserts. Pollen: Apparently an oligolege 

 of Prosopis, but visits other flowers presumably for nectar including Acacia greggii, 

 Cercidium floridum, Dithyrea wislizeni, Melilotus, Mimosa, Phoradendron, Tamarix. 

 Perdita triangulifera Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 328, figs. 71, 1075-1076, 

 1181. 9, 6. 

 trinotata Timberlake. Tex. Pollen: Unknown, but visits flowers of Lesqtierella gordonii, Nama 

 hispidum, Nerisyrenia ca7npo7'U7n. 

 Perdita trinotata Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 249, figs. 47, 1009, 1010, 

 1148. 6. 



Taxonomy: Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 115, 116, 144-145, fig. 26. 9,6 (key, 

 redescription, geogr. and floral records). 

 veris Timberlake. Ariz. (Pima County). Pollen: Collects pollen from the flowers of Nama 



hispidum, but visits other flowers for nectar including Teucrium cubense depressum. 

 Perdita veris Timberlake, 1968. Calif. Univ. Pubs. Ent. 49: 137, figs. 21, 1289, 1290, 1348. 9 

 6. 

 vidua Timberlake. Tex. (El Paso County). Pollen: Unknown, but visits flowers of Gossypium. 



Perdita vidua Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 309. 9. 

 vittata conformis Timberlake. Nev. (Lincoln County). 



Perdita vittata conformis Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 284. 9, 6. 



