2046 Hymenoptera in America North of Mexico 



including C. bicolor, C. heterophylla, C. sparsifolia, but visits other flowers presumably 

 for nectar including Alyssum maritimum. Convolvulus, Cryptantha, Geranium 

 dissectum, G. rnolle, Gilia tricolor, Lasthenia chrysostoma, Lupinus bicolor, L. 

 micranthus, Melilotus i^idica, Mimuius, Neniophila integrifolia, N. pulchella, Phacelia 

 distans, P. douglasii, P. rattani, Platystemon califomicus, Plectritis macrocera, Rhus 

 trilobata, Trifoiium microcephalum. 



Heriades glaucum Fowler, 1899. Psyche 8: 405. 6 . 



Osmia exilis Sandhouse, 1924. Calif. Acad. Sci., Proc. (4) 13: 351. 9. 



Taxonomy: Snelling, 1967. South. Calif. Acad. Sci., Bui. 66: 103 (tax. status). 



Biology: Linsley and MacSwain, 1941. South. Calif. Acad. Sci., Bui. 40: 129 (nest). —Rust and 

 Clement, 1972. Kans. Ent. Soc, Jour. 45: 523-528, 1 fig., 1 table (nest architecture, life 

 history, floral relationships, parasite, biological characteristics). 



Genus OSMIA Subgenus MYSTACOSMIA Snelling 



Osmia subg. Mystacosmia Snelling, 1967. South. Calif. Acad. Sci., Bui. 66: 104. 

 Type-species: Osmia nemoris Sandhouse. Orig. desig. 

 nemoris Sandhouse. B. C, Idaho and Mont., south to Calif, and Utah. Ecology: Nests in 



abandoned burrows of Diadasia diniinuta Cress, as well as trap-nests; uses masticated 

 leaf material from Malva rotundifolia and Sphaeralcea coccinea cemented with resin 

 for cell construction. Pollen: Collects pollen primarily from flowers of Penstemon and 

 various legumes; visitation records include Astragalus, Brassica, Brodiaea congesta, B. 

 elegans, B. laxa, B. lutea, B. pulchella, Calochortus luteus, C. venustus, Chamaebatia 

 foliolosa, Chaenactis glabriuscula, Cirsiuyn, Clarkia biloba, C. cylindrica, C. dudleyana, 

 C. gracilis, C. pulchella, C. purpurea viminea, C. speciosa, C. ungidculata, Collinsia 

 callosa. Convolvulus malacophyllus, C. subacaulis, Cryptantha, Dodecatheon 

 hendersoni, Eriogonum fascicu latum. Geranium molle, Grindelia, Lasthenia 

 chrysostoma, Layia platyglossa, Linanthus parviflorus, Lotus scoparius, L. 

 subpi^inatus, Lupinus, Medicago sativa, Mimuius, Monardella villosa, Orthocarpus 

 purpurascens, Penstemon, Phacelia ciliata, P. distans, Plectritis macrocera, Prunus 

 ilicifolia, Raphanus sativus, Rhus ovata, Rosa califomica, Rubus, Salvia, Satureja, 

 Sisy7)ibriu7n, Trifoiium involucratum, T. microcephalum, T. repens, T. tridentatum, 

 Vicia americana, Wyethia. 



Osmia nemoris Sandhouse, 1924. Calif. Acad. Sci., Proc. (4) 13: 345. S. 



Osmia seclusa Sandhouse, 1924. Calif. Acad. Sci., Proc. (4) 13: 352. 9. 



Osmia abdominalis Michener, 1935. Pan-Pacific Ent. 11: 184. 6. 



Taxonomy: Snelling, 1967. South. Calif. Acad. Sci., Bui. 66: 103 (synonymy). 



Biology: Bohart, 1955. Ent. Soc. Wash., Proc. 57: 235-236 (nest architecture, life history). 

 — Rust and Clement, 1972. Kans. Ent. Soc, Jour. 45: 523-528, table 1 (nest architecture, 

 life history, biological characteristics). —MacSwain, Raven and Thorp, 1973. Calif. Univ. 

 Pubs. Ent. 70: 52 (floral relationships, as seclusa). 



Genus OSMIA Subgenus MONILOSMIA Robertson 



Monilosmia Robertson, 1903. Amer. Ent. Soc, Trans. 29: 166. 



Type-species: Osmia siinilliyua Smith. Orig. desig. and monotypic. (=Osmia 

 canadensis Cresson). 

 albolateralis albolateralis Cockerell. Alta. to N. Mex., west to B. C. and Wash. 

 Osmia dubia Cresson, 1864. Ent. Soc. Phila., Proc. 3: 29. 9. Preocc. 

 Osmia albolateralis Cockerell, 1906. Amer. Mus. Nat. Hist., Bui. 22: 450. 9. 

 Wsmia enena Cockerell, 1907. Ann. and Mag. Nat. Hist. (7) 20: 448. 6. 

 albolateralis visenda Sandhouse. Oreg., CaHf. Pollen: Unknown, but visits flowers of 

 Astragalus antisellii, A. douglasii, Clarkia cylindrica, C. rhomboidea, Collinsia 

 tinctoria. Erysimum asperum, Horkelia tillingi, Iris hartwegii, Lathyrus alfeldii, Lotus 

 argophyllus, L. davidsonii, Montia perfoliata, Nemophila integrifolia, Penstemon 



