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trevoris Cockerell. Transf. to subg. Chenosmia Sinha. tristella cyanosoma Cockerell. Transf. to subg. Chenosmia Sinha. tristella tristella Cockerell. Transf. to subg. Chenosmia Sinha. universitatis Cockerell. Transf. to subg. Centrosmia Robertson as a syn. of

pikei Cockerell. vandykei Sandhouse. Transf. to subg. Centrosmia Robertson. virga Sandhouse. Transf. to Chenosmia Sinha. zephyros Sandhouse. Transf. to subg. Chenosmia Sinha.

*OSMIA subgenus CHENOSMIA Sinha
Osmia subg. Chenosmia Sinha, 1958. Kans. Univ. Sci. Bul. 39: 233.

Type: Osmia pentstemonis Cockerell. Orig. desig. Place after subgenus Nothosmia Ashmead, p. 1171. atriventris Cresson. On vernal flowers of a number of families, especially

Leguminosae, Cruciferae and Rosaceae. Transf. from subg. Nothosmia Ashmead, p. 1167 (teste Sinha, 1958, loc. cit. supra, p.

235). bruneri Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1167 (teste

Sinha, 1958, loc. cit. supra, p. 235). calla Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1167 (teste

Sinha, 1958, loc. cit. supra, p. 235). caulicola Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1167 (teste

Sinha, 1958, loc. cit. supra, p. 235). cerasi Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1167, (teste

Sinha, 1958, loc. cit. supra, p. 235). clarescens Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1168 (teste

Sinha, 1958, loc. cit. supra, p. 235). cobaltina Cresson. Transf. from subg. Nothosmia Ashmead, p. 1168 (teste

Sinha, 1958, loc. cit. supra, p. 235). collinsiae Robertson. Minn. On flowers of many families, particularly Legu

minosae and Scrophulariaceae. Transf. from subg. Nothosmia

Ashmead, p. 1168 (teste Sinha, 1958. loc. cit. supra, p. 235). cyanopoda Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1168 (teste

Sinha, 1958, loc. cit. supra, p. 235). dolerosa Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1168 (teste

Sinha, 1958, loc. cit. supra, p. 235). exigua Cresson. Transf. from subg. Nothosmia Ashmead, p. 1168 (teste

Sinha, 1958, loc. cit. supra, p. 235). Taxonomy: Michener, 1962. Kans. Ent. Soc. Jour. 35: 253-254. gaudiosa Cockerell. Ariz. Transf. from subg. Nothosmia Ashmead, p. 1168

(teste Sinha, 1958, loc. cit. supra, p. 235). Taxonomy: Michener, 1962, loc. cit. supra, pp. 253-254. illinoensis Robertson. On flowers of Astragalus, Fragaria, Hypoxis, Litho

spermum and Ranunculus. Transf. from subg. Nothosmia Ash

mead, p. 1169 (teste Sinha, 1958, loc. cit. supra, p. 235). indeprensa Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1169

(teste Sinha, 1958, loc. cit. supra, p. 235). inermis (Zetterstedt). On flowers of Rubus, Salix and Vaccinium. Transf.

from subg. Melanosmia Schmiedeknecht, p. 1165 (teste Sinha,

1958, loc. cit. supra, p. 235). kincaidii Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1169 (teste

Sinha, 1958, loc. cit. supra, p. 235).

laeta Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1169 (teste

Sinha, 1958, loc. cit. supra, p. 235). malina Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1169 (teste

Sinha, 1958, loc cit. supra, p. 235). nanula Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1169 (teste

Sinha, 1958, loc. cit. supra, p. 235). pagosa Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1170 (teste

Sinha, 1958, loc. cit. supra, p. 235). pentstemonis Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1170

(teste Sinha, 1958, loc. cit. supra, p. 235). pingreeana Michener. Transf. from subg. Nothosmia Ashmead, p. 1170 (teste

Sinha, 1958, loc. cit. supra, p. 235). potentillae Michener. Transf. from subg. Nothosmia Ashmead, p. 1170 (teste

Sinha, 1958, loc. cit. supra, p. 235). proxima Cresson. Ga. On flowers of Houstonia, Pentstemon, Rubus, and

Trifolium. Transf. from subg. Nothosmia Ashmead, p. 1170 (teste

Sinha, 1958, loc. cit. supra, p. 235). regulina Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1170 (teste

Sinha, 1958, loc. cit. supra, p. 235). sanctaerosae Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1170

(teste Sinha, 1958, loc. cit. supra, p. 235). sequoiae Michener. Transf. from subg. Nothosmia Ashmead, p. 1171 (teste

Sinha, 1958, loc. cit. supra, p. 235). tersula Cockerell. N. B., Wis., Mich. On flowers of Rubus. Transf. from

subg. Nothosmia Ashmead, p. 1171 (teste Sinha, 1958, loc. cit.

supra, p. 235). tokopahensis Michener. Transf. from subg. Nothosmia Ashmead, p. 1171

(teste Sinha, 1958, loc. cit. supra, p. 235). trevoris Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1171 (teste

Sinha, 1958, loc. cit. supra, p. 235). tristella cyanosoma Cockerell. Transf. from subg. Nothosmia Ashmead, p.

1171 (teste Sinha, 1958, loc. cit. supra, p. 235). tristella tristella Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1171

(teste Sinha, 1958, loc. cit. supra, p. 235). virga Sandhouse. Wis. On flowers of Salix. Transf. questionably from subg.

Nothosmia Ashmead, p. 1171 (teste Sinha, 1958, loc. cit. supra, p.

253). zephyros Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1171 (teste Sinha, 1958, loc. cit. supra, p. 235).

*OSMIA subgenus EUTHOSMIA Sinha
Osmia subg. Euthosmia Sinha, 1958. Kans. Univ. Sci. Bul. 39: 235.

Type: Heriades glaucum Fowler. Orig. desig. Place after subgenus Chenosmia Sinha. claremontensis Michener. Transf. from subg. Nothosmia Ashmead, p. 1167

(teste Sinha, 1958, loc. cit. supra, p. 237). glauca (Fowler). Transf. from subg. Nothosmia Ashmead, p. 1169 (teste

Sinha, 1958, loc. cit. supra, p. 237). nemoris Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1170 (teste Sinha, 1958, loc. cit. supra, p. 237).

OSMIA subgenus MONILOSMIA Robertson Remove from synonymy of subg. Nothosmia Ashmead, p. 1167 and place as a valid subgenus after subg. Euthosmia Sinha (teste Sinha, 1958, loc. cit. supra, p. 239).

albolateralis albolateralis Cockerell. Transf. from subg. Nothosmia Ashmead,

p. 1167 (teste Sinha, 1958, loc. cit. supra, p. 241). albolateralis visenda Sandhouse. Transf. from subg. Nothosmia Ashmead, p.

1167 (teste Sinha, 1958, loc. cit. supra, p. 241). atrocyanea atrocyanea Cockerell. Transf. from subg. Nothosmia Ashmead, p.

1167 (teste Sinha, 1958, loc. cit. supra, p. 241). atrocyanea putata Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1167

(teste Sinha, 1958, loc. cit. supra, p. 241). brevis brevis Cresson. Transf. from subg. Nothosmia Ashmead, p. 1167 (teste

Sinha, 1958, loc. cit. supra, p. 241). brevis peridonea Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1167

(teste Sinha, 1958, loc cit. supra, p. 241). bridwelli Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1167 (teste

Sinha, 1958, loc. cit. supra, p. 241). cara Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1167 (teste Sinha,

1958, loc. cit. supra, p. 241). cyanella Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1168 (teste

Sinha, 1958, loc. cit. supra, p. 241). cyaneonitens Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1168

(teste Sinha, 1958, loc. cit. supra, p. 241). densa densa Cresson. Transf. from subg. Nothosmia Ashmead, p. 1168 (teste

Sinha, 1958, loc. cit. supra, p. 241). densa pogonigera Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1168

(teste Sinha, 1958, loc. cit. supra, p. 241). felti Cockerell. Minn. to New England states, south to W. Va. Transf. ques

tionably from subg. Nothosmia Ashmead, p. 1168 (teste Sinha,

1958, loc. cit. supra, p. 253). gabrielis Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1168 (teste

Sinha, 1958, loc. cit. supra, p. 241). hendersoni Cockerell. Transf. from subg. Acanthosmioides Ashmead, p. 1165

(teste Sinha, 1958, loc. cit. supra, p. 241). juxta juxta Cresson. Transf. from subg. Nothosmia Ashmead, p. 1169 (teste

Sinha, 1958, loc. cit. supra, p. 241). juxta subpurpurea Cockerell. Transf. from subg. Nothosmia Ashmead p.

1169 (teste Sinha, 1958, loc. cit. supra, p. 241). rawlinsi Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1170 (teste

Sinha, 1958, loc. cit. supra, p. 241). rostrata Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1170 (teste

Sinha, 1958, loc. cit. supra, p. 241). sculleni Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1171 (teste

Sinha, 1958, loc. cit. supra, p. 241). seclusa Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1171 (teste

Sinha, 1958, loc. cit. supra, p. 241). simillima Smith. On flowers of Althaea, Barbarea, Oxalis, Pentstemon, Ran

unculus, Rubus, Vicia and Viola. Transf. from subg. Nothosmia Ashmead, p. 1171 (teste Sinha, 1958, loc. cit. supra, p. 241).

*OSMIA subgenus TRICHINOSMIA Sinha Osmia subg. Trichinosmia Sinha, 1958. Kans. Univ. Sci. Bul. 39: 244.

Type: Osmia latisulcata Michener. By monotypy and orig.

Place after subg. Monilosmia Robertson.

latisulcata Michener. Transf. from subg. Nothosmia Ashmead, p. 1169 (teste

Sinha, 1958, loc. cit. supra, p. 245).

OSMIA subgenus DICERATOSMIA Robertson Transfer from p. 1162, and place as a subgenus of Osmia after subg. Trichinosmia Sinha, p. 1171. conjuncta (Cresson). Tex. On flowers of many families, especially Legumin

osae and Scrophulariaceae. Nests in snail shells. Biology: Rau, 1937. Ent. Soc. Amer. Ann. 30: 330. *subfasciata miamiensis Mitchell. Southern Fla. On flowers of Crotalaria. Osmia (Diceratosmia) subfasciata miamiensis Mitchell, 1962. N. C. Agr.

Expt. Sta. Tech. Bull. 152: 84. 4, ã. subfasciata subfasciata (Cresson). N. J. to Kans., south to Fla. and Tex.;

northern Mexico. On many flowers, chiefly Compositae, Leguminosae and Rosaceae. Nesting in abandoned beetle borings in structural timber.

Genus MEGACHILE Latreille, pp. 1172-1183
Taxonomy: Michener, 1962. N. Y. Ent. Soc. Jour. 70: 17-29.

In the publication noted above Michener divides the old genus Megachile into three genera, Megachile, Chalicodoma Lepeletier, and Creightonella Cockerell. The latter genus does not occur in North America. All of the subgenera occurring in North America belong to Megachile except Chelostomoides Robertson and Archimegachile Alfken, which belong in Chalicodoma.

MEGACHILE subgenus LITOMEGACHILE Mitchell, p. 1172 brevis brevis Say. On many flowers of a number of families, especially Com

positae, Leguminosae, and Labiatae. brevis pseudobrevis Mitchell, changed status. On a number of flowers, espe

cially Compositae and Leguminosae. Megachile (Litomegachile) pseudobrevis Mitchell. Reduced to subsp.

rank (teste Mitchell, 1962, loc. cit. supra, p. 116). gentilis Cresson. Nests in twigs of Sambucus.

Biology: Bechtel, 1958. Pan-Pacific Ent. 34: 12. mendica Cresson. On flowers of many families, especially those of Composi

tae, Leguminosae, and Labiatae. pseudobrevis Mitchell. A subsp. of brevis Say. texana Cresson. On many flowers, especially Leguminosae, Compositae, and

Labiatae.

MEGACHILE subgenus MEGACHILE Latreille, p. 1173 centuncularis (Linnaeus). Nests in borings in wood and carpet rolls. Visits

many flowers, especially Leguminosae and Compositae. Biology: Medler, 1959. Canad. Ent. 91: 113-115, 1 fig. inermis Provancher. Visits many flowers, especially Compositae and Legu

minosae. Nests in borings in wood. Biology: Medler, 1958. Canad. Ent. 90: 325-327, 1 fig. montivaga Cresson. Visiting flowers of many families, but particularly Com

positae. nivalis Friese. On flowers of Elaeagnus and Taraxacum. relativa Cresson. Ga., Tenn. Nests in borings in wood. On flowers of several

families, particularly Compositae and Leguminosae. Biology: Medler and Koerber, 1958. Ent. Soc. Amer. Ann. 51: 337-344. 3

figs.

MEGACHILE subgenus EUTRICHARAEA Thomson, p. 1174 apicalis Spinola. On flowers of Centaurea cyanus.

argentata (Fabricius). Delete from Sup. 1, p. 244, a misident. of concinna

Smith, q. v. *concinna Smith. Pa. and Ohio south to Fla. and Ala., Okla., Ariz., Calif.;

presumably introduced from West Indies (recorded in error as
argentata (Fabricius) in Sup. 1). On flowers of Asclepias, Bidens,

Melilotus and Polygonum.
Megachile concinna Smith, 1879. Descr. n. spp. Hym., p. 79. 4.

Biology: Butler and Wargo, 1963. Pan-Pacific Ent. 39: 201-206, 1 fig. rotundata (Fabricius). Mass., Va., Oreg., Idaho. On flowers of Asclepias,

Medicago, Melilotus, Polygonum, Solidago, and Veronica. Biology: Stephen and Torchio, 1961. Pan-Pacific Ent. 37: 85-93.

Stephen, 1962. Oreg. Agr. Expt. Sta. Bul. 586, 16 pp., 9 figs.

MEGACHILE subgenus DELOMEGACHILE Viereck, pp. 1174-1175 addenda Cresson. Que. Visits flowers of several families, especially Legu

minosae, Rosaceae, and Compositae. frigida appalachensis Mitchell. N. Y. to Ga. in the Appalachian Mts. On

flowers of Apocynum, Baptisia, Coreopsis, Galax, Koellia, Pentste

mon, Rhododendron, and Veronia. frigida frigida Smith. Visits a number of flowers, but principally Legumino

sae.

gemula Cresson. Ga. Visiting flowers of several families, but particularly

Compositae and Leguminosae. ingenua Cresson. Ga. On flowers of Lupinus, Tephrosia, and Vaccinium. melanophaea melanophaea Smith. Delete ? Ga. from range. Visits flowers of

a number of families, especially Leguminosae. melanophaea submelanophaea Mitchell. Maine, Mich. On flowers of Di

tra and Lupinus. mucida Cresson. On flowers of Lupinus, Polycodium, Rubus, and Tephrosia.

MEGACHILE subgenus PHAENOSARUS Mitchell, p. 1175 fortis Cresson. Ill. On flowers of Dicrophyllum, Helianthus, Silphium, Soli

dago, and Veronia. Morphology (musculature of male metasoma and genitalia): Fischer,

1957 (1956). Canad. Ent. 88: 657-673, 9 figs.

MEGACHILE subgenus MEGACHILOIDES Mitchell, p. 1175 oenotherae (Mitchell). Collects pollen of Oneothera, but also visits Cean

othus and Pentstemon.

MEGACHILE subgenus DEROTROPIS Mitchell, pp. 1175-1176 anograe Cockerell. Kans. melanderi Mitchell. Calif. (Inyo Co.). subanograe Mitchell. On flowers of Sphaeralcea.

MEGACHILE subgenus XEROMEGACHILE Mitchell, pp. 1176-1178 alata Mitchell. Ariz. On flowers of Prosopis. bradleyi Mitchell. Calif. (Antioch). brimleyi Mitchell. On flowers of Galactia primarily, but also on Erigeron. casadae Cockerell. Calif., Ariz. On flowers of Opuntia. dakotensis Mitchell. On flowers of Amorpha, Cleome, Helianthus, Kuhnis

tera, Petalostemon, and Verbena. deflexa Cresson. On flowers of Bidens, Clethra, Erigeron, Phaseolus, and

Rhus. instita Mitchell. Calif., Ariz. On flowers of Acacia.

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