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integra Cresson. On flowers of Erigeron, Galactia, Glycina, Koellia, Pha

seolus, and Strophostyles. integrella Mitchell. On flowers of Hypericum and Oxydendrum. *macneilli Mitchell. Calif. (Riverside Co.). Megachile (Xeromegachile) macneilli Mitchell, 1957. Pan-Pacific Ent.

33: 24. 6. maurata Mitchell. On flowers of Encelia, Sphaeralcea. mojavensis Mitchell. Ariz. On flowers of Aster. mucorosa Cockerell. Ariz. On flowers of Helianthus. nevadensis Cresson. La. (Winnfield). palmensis Mitchell. Ariz. *pararubi Mitchell. Ariz. (Roosevelt Lake). Megachile (Xeromegachile) pararubi Mitchell, 1957. Pan-Pacific Ent.

33: 21. 1. *pseudolegalis Mitchell. Calif. (Riverside Co.). Megachile (Xeromegachile) pseudolegalis Mitchell, 1957. Pan-Pacific

Ent. 33: 22. ô. rubi Mitchell. Fla. On flowers of Crataegus, Cuscuta, Ilex, Rubus, and Sene

cio.
*stoddardensis Mitchell. Calif. (San Bernardino Co.).
Megachile (Xeromegachile) stoddardensis Mitchell, 1957. Pan-Pacific

Ent. 33: 25. g.
subnigra angelica Mitchell. Ariz. On flowers of Aster.
subnigra subnigra Cresson. Utah (Navajo Lake).

MEGACHILE subgenus ARGYROPILE Mitchell, p. 1179
parallela parallela Smith. On a number of flowers, principally Compositae,

and Leguminosae. townsendiana Cockerell. On flowers of Actinella, Chrysopsis, Helianthus, and

Melanthera.

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MEGACHILE subgenus XANTHOSARUS Robertson, pp. 1179–1180 armata Smith. Ariz., N. Mex., Mexico. Delete from synonymy of comata

Cresson (Sup 1, p. 245); armata is a valid sp. (teste T. B. Mit

chell, based on examination of type). comata Cresson. Delete armata Smith, a valid sp., from synonomy (Sup. 1,

p. 245). latimanus Say. Visiting many flowers, particularly in Compositae, Legumin

osae and Labiatae. perihirta Cockerell. ? Mich. On flowers of Aster, Cirsium, Cleome, Epilo

bium, Eriogonum, Helianthus, Melilotus, and Trifolium. Biology: Hobbs, 1957 (1956). Canad. Ent. 88: 625-631.

MEGACHILE subgenus LEPTORACHIS Mitchell, p. 1180 petulans Cresson. Visits numerous flowers, especially Compositae, Legumino

sae, and Labiatae.

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MEGACHILE subgenus PSEUDOCENTRON Mitchell, p. 1180
pruina praina Smith. On flowers of Asclepias, Crotalaria, Croton, Cuscuta,

Dalbergia, Gaillardia, Galactia, Helianthus, Melanthera, Ocimum,
Rhus, Štrophostyles and Veronia.

MEGACHILE subgenus ACENTRON Mitchell, p. 1180
albitarsis Cresson. Mich., Ind. Visits a number of flowers, principally in

Compositae and Leguminosae.

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MEGACHILE subgenus MELANOSARUS Mitchell, p. 1180 *bahamensis Mitchell. Fla.; Bahamas. On flowers of Flaveria.

Megachile bahamensis Mitchell, 1927. Psyche 34: 47. 4.
Megachile (Melanosarus) floridensis Mitchell (syn. by Krombein, 1953.

Amer. Mus. Novitates 1633: 21).
floridensis Mitchell. Syn. of bahamensis Mitchell.
xylocopoides Smith. On a number of flowers, particularly Compositae.

MEGACHILE subgenus SAYAPIS Titus, pp. 1181-1182 frugalis frugalis Cresson. N. J., Calif. On flowers of Croton, Erigeron, Erio

gonum, Lotus, Opuntia, and Tephrosia. inimica inimica Cresson. Fla. to Tex., south to Guatemala. On flowers of

Achyranthes, Avicennia, Bidens, Borrichia, Coccoloba, Crotalaria,

Laciniaria, Ocimum, Salvia, Vitex and Ximensia. inimica sayi Cresson. Calif. Visiting many flowers, especially Compositae

and Leguminosae. policaris Say. Ga. On flowers of Amorpha, Brauneria, Coreopsis, Erigeron,

Helianthus, Oenothera, Salvia, Senecio, Silphium, Verbena, and

Verbesina. pugnata pugnata Say. Nests in borings in sumac twigs. Visits many flowers,

particularly Compositae.
Biology: Medler, 1964. Canad. Ent. 96: 918-921, 1 fig.

*Genus CHALICODOMA Lepeletier
Place after Megachile subgenus Sayapis Titus, p. 1182.

*CHALICODOMA subgenus CHALICODOMA Lepeletier Chalicodoma Lepeletier, 1841. Hist. Nat. Ins. Hym. 2: 309.

Type: Apis muraria Fabricius. Desig. by Girard, 1879. The typical subgenus does not occur in North America.

CHALICODOMA subgenus CHELOSTOMOIDES Robertson (=Megachile subgenus Chelostomoides Robertson, pp. 1182-1183) This subgenus with component species was transferred to Chalicodoma Lepeletier by Michener, 1962. N. Y. Ent. Soc. Jour. 70: 20. browni (Mitchell). Megachile (Chelostomoides) felipiana Mitchell (syn. by Timberlake,

1957. Pan-Pacific Ent. 33: 132). campanulae campanulae (Robertson). Fla., Minn. Visits many flowers, espe

cially Leguminosae, Campanulaceae and Labiatae. campanulae wilmingtoni (Mitchell). Fla. to Va., coastal. On flowers of Ga

lactia, Melilotus, Pontederia, Solidago and Strophostyles. exilis parexilis (Mitchell). Fla., Ariz. Visits a number of flowers, especially

Leguminosae. felipiana (Mitchell). Syn. of browni (Mitchell). georgica (Cresson). N. J. Visits flowers of several families, particularly

Leguminosae. rugifrons (Smith). Tex. On flowers of Apocynum, Blephilia, Coreopsis, Eri

geron, Hypericum, Lobelia, Nepeta, Pontederia, Psoralea, Tephrosia, Vaccinium, and Verbena.

CHALICODOMA subgenus ARCHIMEGACHILE Alfken

(=Megachile subgenus Archimegachile Alfken, Sup. 1, p. 246) This subgenus with component species was transferred to Chalicodoma Lepeletier by Michener, 1962, loc. cit. supra, p. 20.

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Genus COELIOXYS Latreille, pp. 1183–1186 Change Liothryapis to Liothyrapis in generic synonymy. alternata alternata Say, changed status. Mass. and Ont. to B. C.,_south to

Fla. On flowers of Helianthus, Lepachys, Melilotus, Petaloste-
mum, Pycnanthemum, Rhus, Rudbeckia, Verbena, and Verbesina.

Host: Megachile (Sayapis) p. pugnata Say.
Coelioxys alternata Say. Reduced to subsp. rank (teste Mitchell, 1962.

N. C. Agr. Expt. Sta. Tech. Bull. 152: 195).
alternata wisconsinensis Cockerell. Mich., Ont., N. Y. south to N. C. Host:

Megachile (Sayapis) p. pugnata Say.
Coelioxys wisconsinensis Cockerell. Reduced to subsp. rank (teste Mit-

chell, 1962, loc. cit. supra, p. 196).
asteris Crawford. N. C. to Fla., west to Tex. On flowers of Afzelia, Bidens,

Cephalanthus, Erigeron, Eryngium, Helenium, Heterotheca, Meli

lotus, Pycnanthemum, and Solidago.
*atlantica Mitchell. Que., Mass. and Ont., south to Fla., west to Man. and

Nebr.
Coelioxys atlantica Mitchell, 1962. N. C. Agr. Expt. Sta. Tech. Bull. 152:

198, fig. 65. 4, 6.
banksi Crawford. Syn. of moesta Cresson.
*boharti Mitchell. Fla. (Cocoa).
Coelioxys boharti Mitchell, 1962. N. C. Agr. Expt. Sta. Tech. Bull. 152:

206 4. deplanata Cresson.

Biology: Linsley, 1962. Ent. Soc. Amer. Ann. 55: 160-161, fig 7. dolichos Fox. N. C. to Fla. On flowers of Bidens, Borrichia, Flaveria, Gail

ardia, Ilex, Itea, Rhus, Senecio, and Solidago. Host: Megachile

(Melanosarus) scylocopoides Sm. dubitata Smith. Syn, of rufitarsis rufitarsis Smith. floridana Cresson. N. C. to Fla. funerarea Smith. Yukon and B. C. east to N. S., south to Ill. and Pa., Ga.

Hosts: Megachile (M.) inermis Prov., M. (M.) relativa Cr. and M.

(Delomegachile) f. frigida Sm. Coelioxys lateralis Cresson (syn. by Mitchell, 1962, loc. cit. supra, p.

203). Coelioxys lucrosa Cresson (syn. by Mitchell, 1962, loc. cit. supra, p. 203). *galactiae Mitchell. N. C., Fla., Ill. On flowers of Amorpha, Asclepias, Erio

gonum, and Galactia. Coelioxys galactiae Mitchell, 1962. N. C. Agr. Expt. Sta. Tech. Bull. 152:

204, figs. 65, 66. , . germana Cresson. Ill. to N. J., south to Fla. On flowers of Coreopsis, Flav

eria, Helianthus, Heliopsis, Lespedeza, Lycopus, Petalostemum,

Psoralea, Pycnanthemum, Silphium, Teucrium, and Verbena. hunteri Crawford, N. C. and Ind., south to Fla. and N. Mex. On flowers of

Bidens, Helenium, and Mentha. immaculata Cockerell. Ind. to New England States, south to Fla. On flowers

of Asclepias, Baptisia, Rubus, and Tephrosia. Coelioxys sculptifrons Crawford (syn. by Mitchell, 1962, loc. cit. supra,

p. 210). lateralis Cresson. Syn. of funerarea Smith. lucrosa Cresson. Syn. of funerarea Smith. mendacina Cockerell. Syn. of sayi Robertson. modesta Smith. _Que. and New England States, west to Nebr., south to Fla.

and Tex. On flowers of Aster, Campanula, Ceanothus, Chrysopsis, Helianthus, Lepachys, Lythrum, Melilotus, Psoralea, Pycnanthe

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mum, Rhus, and Verbena. Hosts: ? Megachile (M.) centuncularis (L.) and Chalicodoma (Chelostomoides) campanulae wilmingtoni

(Mitch.). moesta Cresson. N. S, to Alaska, south to Va., Ind., Colo. On flowers of

Solidago. Hosts: Megachile (M.) centuncularis (L.) and M. (M.)

relativa Cr. Transfer tristis Provancher to syn. of sodalis CresCoelioxys banksi Crawford (syn. by Mitchell, 1962, loc. cit. supra, p.

213). novomexicana Cockerell. Host: Megachile gentilis Cr. octodentata Say. New England States and Que. to B. C., south to Fla. in the

East, and to Calif. in West. Visits many flowers, particularly of Compositae and Leguminosae. Hosts: Megachile (M.) centuncularis (L.), M. (Litomegachile) b. brevis Say and M. (L.) mendica

Cr. piercei Crawford. N. C. to Fla., west to Tex. On flowers of Oenothera.

Host: ? Megachile (Megachiloides) oenotherae (Mitch.). porterae Cockerell. N. S. to N. C., west to Alta. and Wis. On flowers of

Baptisia, Coreopsis, Galax, Geranium, Houstonia, Hydrangea, Polygala, Pyncnanthemum, Rubus, and Vaccinium. Host: Megachile

(M.) relativa Cr. ribis Cockerell. Syn. of sodalis Cresson. rufitarsis rufitarsis Smith. N. S. south to Ga., west to B. C. and Calif. On

flowers of Asclepias, Aster, Baptisia, Blephilia, Helianthus, Lobelia, Melilotus, Monarda, Petalostemum, Rudbeckia, Solidago, Spiraea, Verbesina, and Vicia. Hosts: Megachile (Delomegachile) melanophaea Sm., M. (Xanthosarus) latimanus Say and M. (X.)

perihirta Ckll. Coelioxys dubitata Smith (syn. by Mitchell, 1962, loc. cit. supra, p. 229). salinaria Cockerell. Host: Megachile (Litomegachile) brevis Say. sayi Robertson. Ont. south to Fla. and Tex., west to B. C. Visits many

flowers, specially Compositae and Leguminosae. Host: Megachile

(Litomegachile) mendica Cr. Coelioxys mendacina Cockerell (syn. by Mitchell, 1962, loc. cit. supra,

p. 222).

sculptifrons Crawford. Syn. of immaculata Cockerell. slossoni arenicola Crawford. Tex, to Ga, and N. C. On flowers of Helianthus,

Phaseolus, and Strophostyles. slossoni slossoni Viereck. On flowers of Bidens. sodalis Cresson. N. S. to N. W. T. and B. C., south to N. Y. and Wis. On

flowers of Rhodora and Rubus. Host: Megachile (Delomegachile)

melanophaea wootoni Ckll. Coelioxys tristis Provancher. Transf. from syn, of moesta Cresson (teste

Mitchell, 1962, loc. cit. supra, p. 226). Coelioxys ribis Cockerell (syn. by Mitchell, 1962, loc. cit. supra, p. 226). texana texana Cresson. Fla. and Minn. to Tex., Ariz.; Mexico. On a number

of flowers, predominantly Compositae and Leguminosae. wisconsinensis Cockerell. A subsp. of alternata Say.

Family APIDAE

Mitchell (1962. N. C. Agr. Expt. Sta. Tech. Bull. 152) raises the three subfamilies of the Catalog (Anthophorinae, Xylocopinae, and Apinae) to family rank.

Tribe EXOMALOPSINI
Taxonomy: Michener and Moure, 1957. Amer. Mus. Nat. Hist. Bul. 112:

395-452, 91 figs. (gen. reclass.).

EXOMALOPSIS subgenus EXOMALOPSIS Spinola, p. 1187 *pulchella Cresson. Southern Fla.; Cuba.

Exomalopsis pulchella Cresson, 1865. Ent. Soc. Phila. Proc. 4: 191. 9, 8. *similis Cresson. Southern Fla.; Cuba, Costa Rica.

Exomalopsis similis Cresson, 1865. Ent. Soc. Phila. Proc. 4: 191. 9. snowi Cockerell. Transf. to Exomalopsis subg. Phanomalopsis. solani Cockerell. Transf. to Exomalopsis subg. Phanomalopsis solidaginis Cockerell. Transf. to Exomalopsis subg. Phanomalopsis.

*EXOMALOPSIS subgenus PHANOMALOPSIS Michener and Moure Exomalopsis subg. Phanomalopsis Michener nd Moure, 1957. Amer. Mus.

Nat. Hist. Bul. 112: 430.

Type: Exomalopsis jenseni Friese. Orig. desig. Place before Exomalopsis subg. Anthophorula, p. 1187. snowi Cockerell. Transf. from Exomalopsis subg. Exomalopsis, p. 1187 (teste

Michener and Moure, 1957, loc. cit. supra, p. 430). solani Cockerell. Transf. from Exomalopsis subg. Exomalopsis, p. 1187 (teste

Michener and Moure, 1957, loc. cit. supra, p. 430). solidaginis Cockerell. Transf. from Exomalopsis subg. Exomalopsis, p. 1187

(teste Michener and Moure, 1957, loc. cit. supra, p. 430.

EXOMALOPSIS subgenus ANTHOPHORULA Cockerell, pp. 1187-1188 albicans (Provancher). Oreg. chionura Cockerell. Transf. to Exomalopsis subg. Anthophorisca. chlorina Cockerell. Transf. to Exomalopsis subg. Anthophorisca. micheneri Timberlake. Transf. to Exomalopsis subg. Anthophorisca. morgani (Cockerell). Transf. to Exomalopsis subg. Anthophorisca. nitens Cockerell. Transf. to Exomalopsis subg. Anthophorisca. pygmaea (Cresson). Transf. to Exomalopsis subg. Anthophorisca. sidae Cockerell. Transf. to Exomalopsis subg. Anthophorisca. texana Friese. Transf. to Exomalopsis subg. Anthophorisca.

*EXOMALOPSIS subgenus ANTHOPHORISCA Michener and Moure Exomalopsis subg. Anthophorisca Michener and Moure, 1957. Amer. Mus.

Nat. Hist. Bul. 112: 433.

Type: Melissodes pygmaea Cresson. Orig. desig. Place after Exomalopsis subg. Anthophorula,p. 1188. *asteris Mitchell. Tex., Ind. On flowers of Aster. Exomalopsis (Anthophorisca) asteris Mitchell, 1962. N. C. Agr. Expt.

Sta. Tech. Bull. 152: 236, fig. 68. f, 8. chionura Cockerell. Transf. from Exomalopsis subg. Anthophorula, p. 1187

(teste Michener and Moure, 1957, loc. cit. supra, p. 434). Taxonomy: Rozen, 1957. Ent. Soc. Amer. Ann. 50: 469-475 (larva).

Biology: Rozen and MacNeill, 1957. Ent. Soc. Amer. Ann. 50: 522-529. chlorina Cockerell. Transf. from Exomalopsis subg. Anthophorula, p. 1187

(teste Michener and Moure, 1957, loc. cit. supra, p. 434). micheneri Timberlake. Transf. from Exomalopsis subg. Anthophorula, p.

1188 (teste Michener and Moure, 1957, loc. cit. supra, p. 434).

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