1922 Hymenoptera in America North of Mexico 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 340, 342-343. 9, 3 (key, 

 redescription, geogr. and floral records). 

 salicis laeta Timberlake. South. Calif. (Needles). Pollen: Presumably an oligolege of Salix, 

 visits flowers of Prosopis juliflora. 

 Perdita salicis laeta Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 347. 9,6. 

 salicis monoensis Timberlake. Calif. (Eldorado and Mono Counties). Pollen: Presumably an 

 oligolege of Salix, visits flowers of S. sessilifolia. 

 Perdita salicis ynonoejisis Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 345. 9,6. 

 salicis occidentalis Timberlake. South. Calif, (cismontane, except one population at Helendale 

 on Mojave Desert). Pollen: Apparently an oligolege of Salix including S. exigua, S. 

 gooddingii, S. nigra, but visits other flowers presumably for nectar including Alyssum 

 maritimum, Cryptantha microphylla var. lepida, Funastrum heterophyllum, 

 Ligustrum, Pyracantha. 

 Perdita salicis occidentalis Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 343. 9, 6. 



salicis personata Timberlake. South. Calif. (San Diego County). Pollen: Presumably an 

 oligolege of Salix, visits flowers of S. laevigata. 

 Perdita salicis personata Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 344. 9,6. 

 salicis salicis Cockerell. Colo., N. Hex. (Las Cruces); Mexico (Chihuahua). Pollen: Presumably 

 an oligolege of Salix. 

 Perdita salicis Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 80. 9, cJ. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 138, 141, 157, 338-341, figs. 1085, 

 1086, 1186. 9, 6 (key, redescription, geogr. and floral records), 

 salicis sublaeta Timberlake. Oreg. (Hood River and The Dalles). 



Perdita salicis sublaeta Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 348. 9, 6. 

 salicis subtristis Cockerell. Colo. (Archuleta and Chaffee Counties), Utah (Grand County). 

 Pollen: Apparently an oligolege oi Salix. 

 Perdita subtristis Cockerell, 1933. Canad. Ent. 65: 234. 9. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 135, 339, 341-342. 9, 6 (key, 

 redescription, geogr. and floral records). 

 salicis tristis Timberlake. Calif. (San Joaquin Valley). Pollen: Apparently an oligolege of Salix, 

 visits flowers of S. hindsiana and also Populus. 

 Perdita salicis tristis Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 345, fig. 74. 9, <J. 

 salviae Timberlake. South. Calif. (Colorado Desert). Pollen: Collects pollen from the flowers of 

 Salvia vaseyi. 

 Perdita salviae Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 184, figs. 935, 936, 1111. 9, 6. 

 sandhouseae Timberlake. Ariz. (Apache County). Pollen: Unknown, but visits flowers of 

 Gutierrezia. 

 Perdita sandhouseae Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 171, figs. 8, 921, 922, 

 1104. 6. 

 schlingeri Timberlake. Nev. (Emigrant Pass). 



Perdita schlingeri Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 258. 9. 

 semicaerulea Cockerell. Tex. to Ariz.; Mexico (Chihuahua and Coahuila). Pollen: Oligolege of 

 Larrea tridentata, visits both the spring and late summer and fall blooms of this plant 

 from which it obtains pollen and nectar, but also visits flowers of Prosopis presumably 

 for nectar only. 

 Perdita semicaerulea Cockerell, 1896. Acad. Nat. Sci. Phila., Proc. 48: 64. 9. 

 Perdita quadraiigularis Cockerell, 1907. Ann. and Mag. Nat. Hist. (7) 20: 129. 6. 



Taxonomy: Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 131, 150, 186-188, figs. 14, 937, 938, 

 1112. 9, 6 (key, redescription, synonymy, geogr. and floral records). 



Biology: Hurd and Linsley, 1975. Smithsn. Contrib. Zool. 193: 25 (floral relationships). 

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

 Coldenia pahneri, Eschscholzia parishii. 

 Perdita sexnotata Timberlake, 1964. Calif. Univ. Pubs. Ent. 28: 307, fig. 66. 9. 



