1762 Hymenoptera in America North of Mexico 



episcopalis metzi Snelling. South. Calif. Pollen: Unknown, but visits a wide variety of flowers 

 including Adenostoma fasciculatum, Amorpha fndicosa, Achillea millaefolium, 

 Apocynum androsaemifolium, Chrysopsis villosa, Cordylanthus nevinii, Encelia, 

 Eriogonuyn davidsonii, E. elongatum, E . fasciculatum, E . fasciculatum var. polifolium, 

 E. gracile, E. nudum, E. subscaposum, E. wrightii, Eriodictyon, Geranium richardsonii, 

 Gilia gilioides, Haplopappus cooperi, Lupinus cytisoides, Melilotus alba, Mentzelia 

 laevicaulis, Monardella linoides, Penstemon gri^iyiellii, P. labrosus, P. pahneri, 

 Phacelia ramosissima, Potentilla glandulosa, Rhamnus califomica, R. crocea. Salvia 

 camosa, Solidago califomica, S. confinis, Sphenosciadium capitellatum. 

 Hylaeus (Prosopis) rugulosus metzi Snelling, 1966. Los Angeles Co. Mus., Contrib. Sci. 98: 

 12. 9, d. 



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

 flammipes (Robertson). Fla. (Citrus Co.). 



Prosapis flammipes Robertson, 1893. Amer. Ent. Soc, Trans. 20: 273. 9. 



Taxonomy: Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 64. 

 gaigei (Cockerell). Mich. Possibly a synonym of H. modestus Say. 



Prosopis gaigei Cockerell, 1916. Mich. Univ. Mus. ZooL, Occas. Papers 23: 2. 9. 



Taxonomy: SneUing, 1970. Los Angeles Co. Mus., Contrib. Sci. 180: 27. 

 illinoisensis (Robertson). 111. and W. Va. to N. Y., Mass., Maine. Pollen: Unknown, but visits 

 flowers of Apocynum cannabinum, Aruncus, Aster, Cicuta, Comus, Crataegus, 

 Eulophus, Gonolobus, Heracleum, Lycopus, Osmorrhiza, Pastinaca, Rhus, Salix, 

 Solidago, Taenidia, Thaspium, Viburnum. 

 Prosopis Illinoisensis Robertson, 1896. Canad. Ent. 28: 138. 6. 



Hylaeus (Prosopis) certus Mitchell, 1951. Elisha Mitchell Sci. Soc, Jour. 67: 241, figs. 4-7. 

 <J , 9 . Preocc. 



Taxonomy: Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 64. 

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

 Cleome serrulata. 



Hylaeus (Prosopis) insolitus Snelling, 1966. Los Angeles Co. Mus., Contrib. Sci. 98: 16. i, 

 9. 

 modestus citrinifrons (Cockerell). B. C, Alta., Mont., Wyo., Colo., N. Mex., Calif., Nev. Pollen: 

 Unknown, but visits a wide variety of flowers including Adenostoma fasciculatum, 

 Angelica arguta, A. tomentosa, Aralia califomica, Baccharis douglasii, Chaenactis 

 glabriuscula lanosa, Eriodictyon califomicum, Erigonum nudum., Eriophyllum 

 staechadifolium, Geranium dissectum, G. richardsoni, Gnaphalium califomicum, 

 Holodiscus discolor, Melilotus alba, Oxybaphis occidentalis, Perideridia gairdneri, 

 Phacelia humilis, Potentilla glandulosa, Rantt^iculus, Rhamnus califomica, Rubus, 

 Salvia sonomensis, Scrophularia califomica, Solidago, Sphenosciadium, capitellatum, 

 Trichostema parishii. 



Prosapis citrinifrons Cockerell, 1896. Psyche 7 (sup.): 27. i. 



Prosapis rugosulus Cockerell, 1896. Psyche 7 (sup.): 28. 6. 



Prosapis rugosulus var. fallax Cockerell, 1896. Psyche 7 (sup.): 28. 6. 



Taxonomy: Snelling, 1966. Los Angeles Co. Mus., Contrib. Sci. 98: 5. —Snelling, 1975. Los 



Angeles Co. Mus., Contrib. Sci. 267: 7-8 (synonymy, tax. status). 

 modestus modestus Say. East. Canada and Atlantic States to Minn., La. Parasite: 



Gasteruption kirbii Westw. Pollen: Unknown, but visits a wide variety of flowers 

 including Acer, Achillea, Amorpha, Angelica, Apocynum, Arabis, Aralia, Aruncus, 

 Azalea, Cacalia, Castanea pumila, Ceanothus, Chrysanthemum, Cicuta maculata, 

 Comus, Crataegus, Daiicus carota, Erigeron, Eulophus, Eupatorium, Gerardia, Geum, 

 Heracleum, Houstonia purpurea, Hydrangea, Ilex, Koellia, Lepidium, Malva, Monarda, 

 Osmorrhiza, Pastinaca, Ptelea, Pycnanthemum, Pyracantha, Rhus, Rubus, Sanicula, 

 Siuni, Solidago, Spiraea, Symphoricarpos, Taenidia, Thaspium, Zizia. Predator: 

 Philanthus bilunatus Cr., P. politus Say. 



Hylaeus modestus Say, 1837. Boston Jour. Nat. Hist. 4: 392. 9 (6 misdet.). 



Prosapis pennsylvanica Cockerell, 1896. Psyche 7: 439. i . 



