2134 Hymenoptera in America North of Mexico 



obliqua caliginosa (Cresson). N. J. to Ga. Pollen: Unknown, but visits flowers of Borrichia 

 frutescens, Cirsium, Cucurbita, Helenium tenuifolium, Heliantkus atrorubens, H. 

 microcephalum, H. zonatus, Vemonia glanca, V. noveboracensis. 

 Melissodes caliginosa Cresson, 1878. Acad. Nat. Sci. Phila., Proc. 30: 192. 9, 6. 



Taxonomy: Mitchell, 1962. N. C. Agr. Expt. Sta. Tech. Bui. 152: 261 (redescript.). 



obliqua expurgata (Cockerell). Wash, and Idaho south to Calif., Colo, and Ariz.; Mexico (Baja 

 California). Pollen: Unknown, but visits flowers of Achillea, Artemisia, Asclepias, 

 Brassica adpressa, Centaurea, Centromadia pungens, Chrysopsis grandiflora, C. 

 lanceolata. Coreopsis lanceolata, Engelmannia pinnatidifa, Gaillardia, Geranium 

 atropurpureum, Gilia capitata, Grindelia camporum, G. nana, Haplopappus 

 vemonioides, Helianthus annuus, H. bolanderi, H. ciliaris, H. gracilentus, H. petiolaris, 

 Heliotropium curassavicuni, Hemizonia pungens, Lepidospartum squamatum, 

 Medicago saliva, Melilotus alba, Petalostemon flavescens, Pluchea sericea, Ratibida 

 columnaris, Scabiosa, Senecio douglasii, Solidago, Verbesina encelioides, Wislizenia 

 refracta. 

 Melissodes obliqua var. expurgata Cockerell, 1925. Ann. and Mag. Nat. Hist. (9) 16: 230. 6. 



obliqua obliqua (Say). Southern Ont. and eastern Mont., south to N. Mex. and N. J.; west of 

 the Appalachians to Fla.; Mexico (Tamaulipas, Coahuila). Parasite: Triepeolus concavus 

 (Cress.), T. rufithorax Graenicher, Timulla vagans rufinota Mickel? Pollen: Presumably 

 oligolectic on the Compositae, but visits a wide variety of flowers including Abutilon 

 theophrasti. Ambrosia, Asclepias incamatus, A. syriaca. Aster ericoides, Bidens 

 involucrata, B. aristosa, Blephilia hirsuta, Boltonia asteroides, Carduus crispus. 

 Cassia, Cephalanthus occidentalis, Chrysopsis, Cirsium discolor, C. lanceolatuni, C. 

 undulatus, Cleome semilata. Coreopsis tinctoria, C. tripteris. Echinacea pallida, 

 Erigero7i philadelphus. Euphorbia, Gaillardia, Gossypium herbaceum, Grindelia 

 squarrosa, Helenium altissimum, H. autumnale, Helianthus annuus, H. divaricatus, H. 

 grosse-serratus, H. laetiflorus, H. niaximillianus, H. mollis, H. petiolaris, H. 

 scaberimus, H. strumosus, H. tuberosus, Heliopsis heliayithioides, H. laevis, Ipomoea 

 pandurata, Kuhnistera purpurea, Lacinaria pycnostachys, Lactuca floridayia. Lobelia 

 leptostachys, L. siphillitica, Lythrum alatum, L. salicaria, Medicago saliva, Melilotus 

 alba, Monarda fistulosa, Nepeta cataria, Oenothera biennis, Petalostemon candidens, P. 

 oligophyllum, Prionopsis ciliata, Psoralen tenuiflora, Pycnanthemum flex uo sum. P., 

 pilosum, Ratibida columnaris, R. pinnata, Rudbeckia hirta, R. laciniata, R. 

 subtomentosa, R. triloba, Schrankia uyicinata, Silphium integrifolium, S. lacitiiatum, S. 

 perfoliatum, S. speciosum, S. terebinthinaceum, Solidago missouriensis, S. rigida, S. 

 serotina, Teucrium canadense, Trifolium pratense, Verbena stricta, Vemonia baldwinia, 

 V. baldwinia interior, V.fasciculata, Verbesina helianthoides. Zinnia. 

 Macrocera obliqua Say, 1837. Boston Jour. Nat. Hist. 1: 403. S. 



Taxonomy: Mitchell, 1962. N. C. Agr. Expt. Sta. Tech. Bui. 152: 259-261, fig. 80 

 (redescription). — Rozen, 1964. Amer. Mus. Novitates 2170: 9-12, figs. 6, 7, 9-13 (larva). 



Biology: Rau, 1922. Acad. Sci. St. Louis, Trans. 24: 35. —Custer, 1928. Canad. Ent. 60: 28. 

 —Custer, 1929. Psyche 36: 293 (nesting habits, cocoon construction). —Rozen, 1964. Amer. 

 Mus. Novitates 2170:1-13, 15 figs, (nesting habits, parasites, ecology). 

 texana eluta (LaBerge). Deserts of south. Calif., Ariz.; Mexico (Chihuahua, Coahuila). Pollen: 

 Unknown, but visits flowers of Asparagus, Asteraginus, Helianthus annuus, 

 Heterotheca subaxillaris. 

 Melissodes (Epimelissodes) texana eluta LaBerge, 1956. Kans. Univ. Sci. Bui. 37: 1000. S, 

 9. 

 texana texana (Cresson). Kans. and Okla., south to Tex., west to N. Mex. and Colo. Pollen: 

 Unknown, but visits flowers of Chrysothamnus, Flaveria angustifolia, Helianthus, 

 Prionopsis ciliatus. 

 Melissodes texana Cresson, 1878. Amer. Ent. Soc, Trans. 4: 276. 9, 6. 

 Melissodes texana flaveriae Cockerell, 1906. Amer. Ent. Soc, Trans. 32: 108. 9. 



