2144 Hymenoptera in America North of Mexico 



rivalis Cresson. B. C. and Calif, east to Man., Minn., south to Ari2., N. Max. and Tex. Parasite: 

 Nemognatha dichroa LeC? Pollen: Apparently oligolectic, obtains pollen from 

 composites of the tribe Cynareae, especially the genus Cirsium, but visits other flowers 

 presumably for nectar including Apocynum, Asclepias, Carduus caulescens, Centaurea 

 americana, Helianthus annuus, Penstemon cyananthus, Rudbeckia, Solidago, 

 Teucrium, Trifolium repens, T. pratense, Verbena. 



Melissodes rivalis Cresson, 1872. Amer. Ent. Soc, Trans. 4: 277. S. 



Melissodes desponsiformis Cockerell, 1905. In Viereck, Canad. Ent. 37: 320. 9. 



Melissodes my sops Cockerell, 1905. Entomologist 38: 146. 6,9. 



Melissodes hexacantha Cockerell, 1905. Psyche 12: 100. 6. 



Melissodes nigrosignata Cockerell, 1905. Psyche 12: 101. 9 . 



Melissodes habilis Cockerell, 1925. Ann. and Mag. Nat. Hist. (9) 16: 229. 6. 



Biology: Scullen, 1928. Pan-Pacific Ent. 4: 176 (as my sops, nesting habits). — LaBerge, 1956. 

 Kans. Univ. Sci. Bui. 38: 571-572 (additional information on nesting habits based on notes 

 supplied by H. A. Scullen). 



Genus MELISSODES Subgenus TACHYMELISSODES LaBerge 



Melissodes subg. Tachymelissodes LaBerge, 1956. Kans. Univ. Sci. Bui. 37: 1170. 

 Type-species: Melissodes dagosa Cockerell. Orig. desig. 

 dagosa Cockerell. Idaho and Wash, to Calif, and Colo. Pollen: Unknown, but visits flowers of 

 Asclepias, Cirsium, Medicago sativa, Melilotus alba, Norta altissima, Sphaeralcea, 

 Thelypodium brachycarpa. 

 Melissodes dagosa Cockerell, 1909. Canad. Ent. 41: 128. 6. 

 Melissodes calloleuca Cockerell, 1924. Pan-Pacific Ent. 1: 55. 9. 

 opuntiella Cockerell. Utah, Calif., Ariz., Tex.; Mexico (Coahuila Mexico and Zacatecas). Pollen: 

 Polylectic, obtains pollen from such flowers as Cirsium, Lindheimera texana, 

 Sphaeralcea pedatifolia, Verbesina encelioides, but visits other flowers including 

 Cercidium texanum, Erigero7i compositus, Helenium microcephalum, Helianthus 

 annuus, Opuntia lindheimeri, Parkinsonia, Prosopis, Tetradymia canescens. 

 Melissodes opuntiella Cockerell, 1911. Canad. Ent. 43: 131. cJ, 9. 

 Melissodes albocincta Cockerell, 1919. Ann. and Mag. Nat. Hist. (9) 2: 119. 9. 



sphaeralceae Cockerell. Ariz., N. Mex., Tex.; Mexico (Aguascalientes, Distrito Federal, Mexico, 

 San Luis Potosi, Zacatecas). Pollen: Unknown, but visits flowers of Melilotus alba, 

 Monarda, Sphaeralcea angustifolia, S.fendleri. 

 Melissodes sphaeralceae Cockerell, 1896. Entomologist 29: 304. 6. 



Genus MELISSODES Subgenus EUMELISSODES LaBerge 



Melissodes subg. Eumelissodes LaBerge, 1956. Kans. Univ. Sci. Bui. 37: 1177. 

 Type-species: Melissodes agilis Cresson. Orig. desig. 

 agilis Cresson. South. Canada, U. S., except Fla.; Mexico (Chihuahua, Coahuila, Durango). 



Pollen: Apparently an oligolege of Helianthus including H. annuus, H. atrorubens, H. 

 bolanderi, H. ciliaris, H. coronarius, H. divaricatus, H. grosse-serratus, H. laetiflonis, 

 H. lenticularis, H. maximillianus, H. mollis, H. petiolaris, H. piimilis, H. radulus, H. 

 rigidus, H. salicifolius, H. scaberrimus, H. subrhomboideus, H. tuberosus, but visits a 

 wide variety of flowers: Abutilon theophrasti. Althaea rosea, Aplopappus spinulosus, 

 Arctium, Argemone platyceras, Bidens aristosa, B. laevis, Blephilia hirsuta, Brassica 

 juncea, Brauneria pallida, Carduus crispus, Carya pecan. Cassia chamaecrista, C. 

 fasciculata, Centromadia pimgens, Chrysopsis hispidus, Chrysothamnus, Cirsium 

 altissimum, C. discolor, C. lanceolatiim C. undulatum. Clematis, Cleome lutea, C. 

 semdata. Convolvulus, Coreopsis lanceolata, C. palmata, C. tripteris. Cosmos, Datura 

 meteloides, Enceliopsis, Engelmannia pinnatifida, Ericameria palmeri, Eschscholzia 

 califomica, Eupatorium purpureum, Eustoma artemifolium, Gaillardia cristata, Gilia, 

 Grindelia squarrosa, Gutierrezia sarothrae, Haplopappus palmeri, Helenium 

 autumnale, H. laciniatum, Heliopsis, Heliotropium, Hemizonia pungens. Hibiscus, 

 Ipomoea, Lactuca pulchella, Lepachys pinnata, Liatris pycnostachya, Medicago sativa, 

 Melilotus alba, Mentha canadensis, Monarda fistulosa, Penstemon, Pepo, Petalostemon 



