1938 Hymenoptera in America North of Mexico 



trochantera Bohart. Wash., Oreg., Wyo., Utah, Calif. Parasite: Neopasites sp. Pollen: Oligolege 

 of Phacelia including P. leucophylla, P. pringlei, but also visits flowers of Calochortiis 

 venustus. 

 Dufourea trochantera Bohart, 1948. Ent. Soc. Amer., Ann. 41: 121. 6,9. 



Biology: Torchio, Rozen, Bohart and Favreau, 1967. N. Y. Ent. Soc, Jour. 75: 138-141 (nest 

 architecture, provisioning, development, adult activity, pollen source, parasite). 

 truncata Timberlake. South. Calif. Pollen: Presumably an oligolege of Camissonia including C. 

 bistorfa, C. denfata, C. veitcliiana, but also visits flowers of Astragalus, Coreopsis 

 califoniica, Cryptantha intermedia. 

 Dufourea (Halictoides) truncata Timberlake, 1939. Ent. Soc. Amer., Ann. 32: 410. d, 9. 

 tularensis Timberlake. Calif. (Three Rivers). Pollen: Unknown, but visits flowers of 



Anisocoma acaulis, Eschscholzia califomica, Layia glandulosa, Phacelia distans, P. 

 ■ douglasii. 



Dufourea (Halictoides) tularensis Timberlake, 1941. Ent. Soc. Amer., Ann. 34: 41. 6, 9. 

 tuolumne Bohart. Calif. Pollen: Unknown, but visits flowers oi Cryptantha, Gilia, Linanthus 

 filipes, L. monta7ius, Lomatium. 

 Dufourea tuolumne Bohart, 1947. Ent. Soc. Amer., Ann. 40: 694. S, 9. 

 vanduzeei Bohart. Calif. (Monterey Co.). 



Dufourea vanduzeei Bohart, 1947. Ent. Soc. Amer., Ann. 40: 696. d. 

 vandykei Bohart. Calif. Pollen: Unknown, but visits flowers oi Sphaeralcea ambigua. 



Dufourea vandykei Bohart, 1948. Ent. Soc. Amer., Ann. 41: 124. 6,9. 

 vernalis Timberlake. CaUf. (deserts). Pollen: Evidently polylectic, usually visits flowers of 

 Eschscholzia including E. minutiflora, E. parishii, but also visits other flowers 

 including Argemone, Camissonia brevipes, C. clavaefonnis, C. refracta, Malacothrix 

 glabrata, Meyitzelia involucrata, Phacelia distans. 

 Dufourea (Halictoides) vernalis Timberlake, 1939. Ent. Soc. Amer., Ann. 32: 400. cJ, 9. 



Biology: Linsley, MacSwain and Raven, 1963. Calif. Univ. Pubs. Ent. 33: 19 (floral 



relationships). 

 versatilis rubriventris Michener. Calif.; Mexico (Baja California). Pollen: Oligolege of Mimulus 

 including M. diffusus, M.fremontii, M. gutiatus, M. layneae, M. montioides, M. 

 moschatus, M. primuloides, M. suksdorfi, but also visits flowers of Gilia, Nemophila. 



Mimulapis versatilis nifiventris Timberlake, 1941. Ent. Soc. Amer., Ann. 34: 38. 9, 6. 

 Preocc. 



Dufourea (Halictoides) mbriventris Michener, 1951. hi Muesebeck, Krombein, Townes, U. 

 S. Dept. Agr., Agr. Monog. 2: 1133. N. name. 

 versatilis versatilis (Bridwell). South. Cahf. Pollen: Apparently an oUgolege of Mimtdus, but 

 visits flowers of Gilia achillaefolia, G. splendens. 



Mimulapis versatilis Bridwell, 1919. Hawaii. Ent. Soc, Proc 4: 163. c5, 9. 

 virgata (Cockerell). Calif. Pollen: Collects pollen from flowers of Camissonia boothii, but visits 

 a wide variety of flowers including Amsinckia, Brodiaea capitata, Caynissonia 

 campestris. Convolvulus villosus. Coreopsis bigelovii, C. califomica, Cryptantha 

 intermedia, C. muricata, Descurainia sophia, Encelia califomica, E.farinosa, 

 Eriophyllum lanatum, Eschscholzia califomica. Euphorbia albomarginata, Gilia 

 achillaefolia, G. multicaulis, G. tenuifolia, G. tricolor diffusa, Hesperochiron, Layia 

 elegans, L. glandulosa, Linanthus aureus, Lotus scoparius, Lupinus, Malacothrix, 

 Nemophila, Phacelia douglasii, Plagiobothrys nothofulvus, Platystemon, Salvia 

 columbariae, Sfenotopsis linearifolius, Trifolium. 



Halictoides virgatus Cockerell, 1898. Amer. Ent. Soc, Trans. 25: 191. 9, 6. 



Taxonomy: Cockerell, 1902. South. Calif. Acad. Sci., Bui. 1: 140. 



Biology: Linsley, MacSwain and Raven, 1963. Calif. Univ. Pubs. Ent. 33: 19 (floral 

 relationships). 

 viridescens (Crawford). Calif. 



Halictoides viridescens Crawford, 1916. Insecutor Inscitiae Menstruus 4: 139. 6. 



