1766 Hymenoptera in America North of Mexico 



Genus HYLAEUS Subgenus PROSOPELLA Snelling 



Hylaeus subg. Prosopella Snelling, 1966. Biol. Soc. Wash., Proc. 79: 139. 

 Type-species: Hylaeus hurdi Snelling. Monotypic and orig. desig. 



Revision: Snelling, 1966. Biol. Soc. Wash., Proc. 79: 139-144. 

 hurdi Snelling. Ariz.; Mexico (Chihuahua). Pollen: Unknown, but visits flowers of Baccharis, 

 Ceanothus including C. greggii, Melilotus alba, Penstenwn campanulatus, Verbesina. 

 Hylaeus (Prosopella) hurdi Snelling, 1966. Biol. Soc. Wash., Proc. 79: 140, fig. 1. tJ, 9. 



Genus HYLAEUS Subgenus HYLAEANA Michener 



Hylaeus subg. Hylaeana Michener, 1954. Amer. Mus. Nat. Hist., Bui. 104: 28. 



Type-species: Hylaeus panamensis Michener. Monotypic and orig. desig. 

 panamensis Michener. Tex. west to South. Calif., south to Panama. Pollen: Unknown, but 

 visits flowers of Dicraurus, Hyptis enioryi, Verbesina encelioides. 

 Hylaeus (Hylaeana) panamensis Michener, 1954. Amer. Mus. Nat. Hist., Bui. 104: 28. S. 



Taxonomy: Snelling, 1968. Los Angeles Co. Mus., Contrib. Sci. 144: 4 (as H. aztecus). 

 —Snelling, 1975. Los Angeles Co. Mus., Contrib. Sci. 267: 8 (tax. status). 



Genus HYLAEUS Subgenus HYLAEUS Fabricius 



Hylaeus Fabricius, 1793. Ent. system., v. 2, p. 302. 



Type-species: Apis annulata Linnaeus. Desig. by Latreille, 1810 (=Prosopis 

 annulata Fabricius). 



Revision: Snelling, 1970. Los Angeles Co. Mus., Contrib. Sci. 180: 1-27, figs. 1-6. 



Species Group Bisinuatus 



bisinuatus Forster. Holarctic; Transcont. south. Canada and north. U. S., south to Ga. and 

 Calif. (Central Valley); introduced into Hawaii; Europe. Possibly introduced from 

 Europe into the area around Fargo N. D. prior to 1912. Pollen: Exhibits a pronounced 

 tendency toward oligolecty on flowers of the family Leguminosae, especially the 

 introduced species of Melilotus, but also visits the flowers of other, mostly introduced, 

 plants including those of the Amaranthaceae, Asclepiadaceae, Compositae, 

 Cruciferaceae, Polygonaceae, Salicaceae, Tamaricaceae, Umbelliferae. 



Hylaeus bisinuatus Forster, 1871. Zool.-Bot. Gesell. Wien, Verhandl. 21: 935. 9, d. 



Prosopis leptocephala Morawitz, 1871. Soc. Ent. Ross., Horae 7: 324. 9,6. 



Prosopis (Hylaeus) discrepans Schenck, 1875. Deut. Ent. Ztschr. 19: 326. S. 



Prosopis stevensi Crawford, 1913. Canad. Ent. 45: 155. 6,9. 



Prosopis incompleta Alfken, 1937. 1st. Ent. Bologna, Bol. 9: 104. 9. 



Taxonomy: Snelling, 1970. Los Angeles Co. Mus., Contrib. Sci. 180: 26-27 (as H. stevensi). 

 —Snelling, 1975. Los Angeles Co. Mus., Contrib. Sci. 267: 8-9 (synonymy). 



Biology: Barrows, 1975. Psyche 82: 74-75 (nest). 



Species Group Conspicuus 



conspicuus (Metz). Wash., Oreg., Idaho, Calif., Nev., Wyo. Pollen: Unknown, but visits flowers 

 of Anthemis cotula, Asclepias, Baccharis, Calochortus luteus, Ceanothus soredatus, 

 Centaurea solstitialis, Eriodictyon califomicum, Eriogonum fasciculatum, Eryngium 

 aristatuluni, Foeniculum vulgare, Frankenia grandiflora, Gnaphaliuni califomicum, 

 Grindelia, Hemizonia pungens, Lasthenia, Medicago sativa, Melilotus, Phacelia distans, 

 Prunus ilicifolia, Salix, Salsola kali, Solidago elongata, Trichostema. Predator: 

 Philanthus pulcher Dalla Torre. 

 Prosopis conspicua Metz, 1911. Amer. Ent. Soc, Trans. 37: 114. 6, 9. 



maritimus Bridwell. Calif, (coastal sand dunes). Pollen: Unknown, but visits flowers of 

 Achillea borealis arenicola, Agoseris aparagoides, Eriogonum, Grindelia robusta 

 platyphylla, Hemizonia corymbosa var. barclayi, Phacelia dista^is. Polygonum 

 paronychia. 

 Hylaeus maritimus Bridwell, 1910. Hawaii. Ent. Soc, Proc 4: 159. 9,6. 



