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memorialis Banks. Conn. to Va., Kans. Nests in open wooded areas. mexicana Cameron. Delete from catalog; U. S. record based on misident. panurgoides (Viereck). Syn. of texanus Cresson.

texanus Cresson. Pa., Kans. to Tex.; Mexico (Tamaulipas).

Entomognathus (Toncahua) panurgoides (Viereck) (syn. by Krombein, 1963. Biol. Soc. Wash. Proc. 76: 253).

LINDENIUS subgenus TRACHELOSIMUS Morawitz, p. 1015

buccadentis Mickel. Pa.

*californicus Court and Bohart. Calif.

Lindenius californicus Court and Bohart, 1958. Pan-Pacific Ent. 34: 161, figs. 1, 8, 11. ♂, 9.

dugesianus Leclercq. Tex., N. Mex., Calif.

*inyoensis Court and Bohart. Calif. (Inyo Co.).

Lindenius inyoensis Court and Bohart, 1958. Pan-Pacific Ent. 34: 164, figs. 3, 5, 14. 9, ♂.

*neomexicanus Court and Bohart. N. Mex., Colo. (Possibly belongs in a different subgenus.)

Lindenius neomexicanus Court and Bohart, 1958. Pan-Pacific Ent. 34: 166, figs. 2, 4, 6, 13. 9, ♂.

*tylotis Court and Bohart. Calif.

Lindenius tylotis Court and Bohart, 1958. Pan-Pacific Ent. 34: 164, figs. 9, 10, 12. 6, 9.

Taxonomy: Evans, 1959a, loc. cit. supra, pp. 162-163, figs. 51-53 (larva).

amu Pate.

Genus TRACHELIODES Morawitz, p. 1015

Taxonomy: Evans, 1964, loc. cit. supra, pp. 290-291, figs. 104-109

(larva).

CRABRO subgenus SYNOTHYREOPUS Ashmead, pp. 1016-1017

advenus Smith. Prey: Principally muscoid flies, occasionally Rhagionidae and Tabanidae.

Taxonomy: Evans, 1957a, loc. cit. supra, p. 104, figs. 95-96 (larva).— Evans, 1959a, loc. cit. supra, p. 164, figs. 47, 48 (larva). Biology: Evans, 1960. N. Y. Ent. Soc. Jour. 68: 123-127, fig. 1. thyreophorus Kohl. Oreg.

virgatus Fox. Oreg.

CRABRO subgenus CRABRO Fabricius, pp. 1017-1018

discretus Fox. W. Va. Prey: Achaetoneura sp.

Biology: Krombein, 1958. Ent. Soc. Wash. Proc. 60: 53.

monticola (Packard). Prey: Principally Tabanidae.

Taxonomy: Evans, 1959a, loc. cit. supra, p. 163, figs. 43-46 (larva).

Biology: Evans, 1960. N. Y. Ent. Soc. Jour. 68: 127-129, fig. 1.—Pechuman, 1963. N. Y. Ent. Soc. Jour. 71: 218-219.

pleuralis Fox. Oreg.

CRABRO subgenus NORUMBEGA Pate, p. 1018

argus (Packard). Prey: Principally Dolichopodidae, occasionally Ephydridae

and Muscidae.

Taxonomy: Evans, 1959a, loc. cit. supra, p. 164, figs. 49, 50 (larva).
Biology: Evans, 1960. N. Y. Ent. Soc. Jour. 68: 129-132, fig. 1.

clavipes (Linnaeus).

EUPLILIS subgenus EUPLILIS Risso, p. 1018

Taxonomy: Maréchal, 1929. Soc. Ent. France Ann. 98: 115-116 (larva).

arapaho Pate.

EUPLILIS subgenus CORYNOPUS Lepeletier and Brullé, p. 1019

Taxonomy: Evans, 1957a, loc. cit. supra, p. 104, figs. 99-103 (larva). coarctata modesta (Rohwer). Nests in dead hibiscus stems. Prey: Adult Chironomidae and Ceratopogonidae.

Biology: Krombein, 1964. Biol. Soc. Wash. Proc. 77: 90-92.

Taxonomy: Evans, 1964, loc. cit. supra, pp. 292-293, figs. 111-112

(larva).

pedicellatus (Packard).

Taxonomy: Evans, 1957a, loc. cit. supra, p. 105, fig. 104 (larva).

rufigaster (Packard). Nests in green and dead hibiscus stems, and in deserted anobiid beetle borings in wood. Prey: Adult Chironomidae. Biology: Krombein, 1958. Biol. Soc. Wash. Proc. 71: 26.-Krombein, 1964. Biol. Soc. Wash. Proc. 77: 92-98, figs. 12-14.

Taxonomy: Evans, 1964, loc. cit. supra, pp. 291-292, fig. 110 (larva).
MONIAECERA subgenus MONIAECERA Ashmead, p. 1019

asperata (Fox). Nests in soil with communal entrance. Prey: Principally adult Psyllidae, but also Chironomidae, Cicadellidae and Miridae. Taxonomy: Evans, 1964, loc. cit. supra, pp. 293-294, figs. 74-77 (larva). Biology: Evans, 1964. Ins. Sociaux 11: 71-78, 3 figs.-Cazier and Mortenson, 1964. Pan-Pacific Ent. 40: 111-114, 1 fig.

CROSSOCERUS subgenus HOPLOCRABRO Thomson, p. 1020

angelicus (Kincaid). Prey: Muscoid Diptera.

*CROSSOCERUS subgenus MICROCRABRO Saussure
(=Crossocerus subg. Yuchiha Pate, p. 1020)

Crabro subg. Microcrabro Saussure, 1892. In Grandidier, Hist. Nat. Madagascar 20: 574.

Type: Crabro (Microcrabro) micromegas Saussure. By monotypy.

Syn. by Leclercq, 1963. Soc. Roy. Ent. Belg. Bul. Ann. 99: 13.

CROSSOCERUS subgenus CROSSOCERUS Lepeletier and Brullé, pp. 1020-1021

planifemur Krombein. Md. (Plummers Is.).

planipes (Fox). Pa., Md. Nests in ground. Prey: Empididae (Drapetis sp., Chersodromia sp.)

Biology: Krombein, 1964. Brooklyn Ent. Soc. Bul. 58: 119-120.

*spangleri Krombein. Md. (Plummers Island).

Crossocerus (Crossocerus) spangleri Krombein, 1962. Biol. Soc. Wash. Proc. 75: 16. ♂, 9.

CROSSOCERUS subgenus BLEPHARIPUS Lepeletier and Brullé, pp. 1021–1023

ambiguus (Dahlbom). Oreg.

Taxonomy: Evans, 1957a, loc. cit. supra, p. 106, figs. 69-74 (larva).
Biology: Krombein, 1958. Biol. Soc. Wash. Proc. 71: 26.

fergusoni Pate. Nev., Calif.

Taxonomy: Evans, 1957a, loc. cit. supra, p. 107, figs. 97-98 (larva).— Evans, 1959a, loc. cit. supra, p. 165, fig. 61 (larva).

stictochilos Pate. Md. Nests in green hibiscus stems.

Biology: Krombein, 1964. Biol. Soc. Wash. Proc. 77: 90.

CROSSOCERUS subgenus NOTHOCRABRO Pate, p. 1023 nitidiventris (Fox). Prey: Nephrotoma virescens Lw.

CROSSOCERUS subgenus STICTOPTILA Pate, p. 1023

confertus (Fox). N. Mex.

ECTEMNIUS subgenus METACRABRO Ashmead, p. 1025

cephalotes (Olivier). Replaces quadricinctus Auctt., nec Fabricius. Delete orig. ref. for quadricinctus.

Taxonomy: van der Vecht, 1961. Zool. Verhandl. Rijksmus. Natuurlijke Hist. Leiden, No. 48, pp. 70-71.

ECTEMNIUS subgenus LOPHOCRABRO Rohwer, p. 1025

singularis (Smith). Md.

ECTEMNIUS subgenus HYPOCRABRO Ashmead, pp. 1025–1027

continuus (Fabricius). Nests in rotten pear limb. Prey: Muscoid flies. Biology: Krombein, 1964. Brooklyn Ent. Soc. Bul. 58: 120.

Taxonomy: Evans, 1964, loc. cit. supra, p. 295, fig. 114 (larva).

dives (Lepeletier and Brullé). Md.

paucimaculatus (Packard). Mo. Nests in green hibiscus stems along river banks. Prey: Principally Ephydridae and Agromyzidae.

Biology: Krombein, 1964. Biol. Soc. Wash. Proc. 77: 73-88, figs. 1-11.
Taxonomy: Evans, 1964, loc. cit. supra, pp. 294-295, fig. 113 (larva).

spiniferus (Fox). Prey: Principally Ogcodes eugonatus Lw.

Biology: Bechtel and Schlinger, 1957. Ent. News 68: 225-232.

stirpicola (Packard). Nests in borings in sumac pith. Prey: Small Diptera, principally acalyptrate muscoids.

Taxonomy: Evans, 1957a, loc. cit. supra, p. 109, figs. 85-90 (larva).—
Evans, 1959a, loc. cit. supra, p. 165 (larva).

Biology: Krombein, 1960. Ent. News 71: 63-68.

ECTEMNIUS subgenus APOCTEMNIUS Leclercq, Sup. 1, p. 199 texanus ais Pate. Nests in rose canes. Prey: Acalyptrate Diptera. Biology: Morse and Kerr, 1957. Fla. Ent. 40: 77-80, 1 fig.

ECTEMNIUS subgenus ECTEMNIUS Dahlbom, pp. 1027–1028

atriceps (Cresson). Oreg.

Taxonomy: Evans, 1957a, loc. cit. supra, p. 109, figs. 91-94 (larva).

LESTICA subgenus SOLENIUS Lepeletier and Brullé, pp. 1028-1029

cinctella (Fox). Oreg.

Genus OXYBELUS Latreille, pp. 1030-1034

Taxonomy: Bohart and Schlinger, 1957. Calif. Ins. Survey Bul. 4: 103-142, 23 maps, 93 figs. (descr. of Calif. spp. and key to N. Amer. spp.).

Change endings to masculine gender (teste Internatl. Code Zool. Nomencl., Art. 30 (a) (3), 1961).

bipunctatus Olivier. Pa., Md.

Taxonomy: Evans, 1957a, loc. cit. supra, p. 111, figs. 107-115 (larva). cressonii Robertson. Pa., Md.

emarginatum Say. Prey: Anarete buscki (Felt), Atherigona orientalis Schin., Gymnopternus sp., Chironomus sp., Chaoborus punctipennis Say.

Biology: Krombein and Kurczewski, 1963. Biol. Soc. Wash. Proc. 76: 150-151.-Krombein, 1964. Brooklyn Ent. Soc. Bul. 58: 120.Krombein, 1964. Amer. Mus. Novitates 2201: 24-26.

sericeus sericeus Robertson. Prey: Ephydra riparia Fall.

Biology: Bohart and Marsh, 1960. Pan-Pacific Ent. 36: 115-118.

Taxonomy: Evans, 1957a, loc. cit. supra, p. 112, figs. 105-106 (larva). uniglumis quadrinotatus Say.

Superfamily APOIDEA

Taxonomy: Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bull. 141: 1-538, 134 figs., 16 tables (manual of spp. of eastern U. S. in Colletidae, Andrenidae, Halictidae and Melittidae.-Mitchell, 1962. N. C. Agr. Expt. Sta. Bull. 152: 1-557, 134 figs., 18 tables (Part II of manual of eastern bees, containing Megachilidae, Anthophoridae, Xylocopidae, and Apidae).

Ecology: Linsley, 1958. Hilgardia 27: 543-599 (solitary bees). Morphology: Wille, 1959. Ent. Soc. Amer. Ann. 51: 538-546, 24 figs. (dorsal vessel).

Evolution: Linsley, 1961. XI Internatl. Kongr. Ent. Wien 1960, Verhandl. 1: 593-596 (role of flower specificity).

Biology: Linsley, MacSwain, and Raven, 1963. Univ. Calif. Pubs. Ent. 33: 1-58 (comparative behavior of bees and Onagraceae).

yarrowi (Cresson).

Family COLLETIDAE

Subfamily COLLETINAE

Tribe CAUPOLICANINI

Genus CAUPOLICANA Spinola, p. 1044

Biology: Linsley, 1962. Ent. Soc. Amer. Ann. 55: 158-159.

Nomen Nudum in Caupolicana Spinola

*Megacilissa_monticola Ashmead in Cockerell, 1889. Colo. Biol. Assn., 10th Rept., [p. 2] (probably published originally in Custer County Courant newspaper).

Genus PTILOGLOSSA Smith, p. 1044

arizonensis Timberlake. Visiting flowers of Solanum elaeagnifolium and a species of Liliaceae.

Biology: Linsley, 1962. Pan-Pacific Ent. 38: 75-82.

*Tribe PARACOLLETINI

Place after Ptiloglossa Smith, p. 1044.

*Genus EULONCHOPRIA Brèthes

Eulonchopria Brèthes, 1909. Mus. Nac. Buenos Aires An. 19: 247. Type: Eulonchopria psaenythioides Brèthes. By monotypy. *punctatissima Michener. Southern Ariz.; Mexico (Guerrero). On flowers of Acacia, and collecting pollen of Baccharis (?).

Eulonchopria punctatissima Michener, 1963. Ent. Soc. Amer. Ann. 56: 847, figs. 1, 2, 7, 8, 9. 9, 3.

Tribe COLLETINI

Genus COLLETES Latreille, pp. 1044-1049

*stepheni Timberlake._ Visiting flowers of Cercidium, Geraea, and Larrea. Colletes stepheni Timberlake, 1958. Pan-Pacific Ent. 34: 143. ♂, 9. Biology: Hurd and Powell, 1958. Pan-Pacific Ent. 34: 147-153, 1 fig.

Subfamily HYLAEINAE

Genus HYLAEUS Fabricius, pp. 1049-1052

affinis (Smith). Eastern U. S. and Canada west to Utah and Alta., south to Ga. and Miss. Visits many flowers. (Prosopis)

Hylaeus ziziae (Robertson) (syn. by Mitchell, 1960, loc. cit. supra, p. 63).
Hylaeus albertensis Cockerell, n. syn. (teste R. R. Snelling, personal

communication).

Hylaeus dunningi (Cockerell), n. syn. (teste R. R. Snelling, personal communication).

albertensis Cockerell. Syn. of affinis (Smith).

aztecus (Cresson). Ariz.; Mexico (Baja Calif., Veracruz).

Prosopis azteca Cresson, 1869. Boston Soc. Nat. Hist. Proc. 12: 272. 9.

binghami (Lovell). Syn. of modestus modestus Say.

calvus (Metz). Oreg. and Calif., east to Nev. and Ariz.; Mexico (Baja Calif.). (Paraprosopis)

coloradensis (Cockerell). N. Mex. and Wyo. west to Calif. and B. C. (Paraprosopis)

confluens (Smith). N. J. to Fla. Visits many flowers. (Prosopis)

cookii (Metz). Colo., N. Mex., Nev., Calif. Change ♂ in orig. cit. to ♂ (9 misdet.). (Paraprosopis)

cressoni cressoni (Cockerell). Visits a great variety of flowers. (Hylaeus) Hylaeus cressoni pasadenae (Cockerell), n. syn. (teste R. R. Snelling, personal communication).

cressoni mesillae (Cockerell), new status. (Hylaeus)

Hylaeus mesillae (Cockerell). Reduced to subsp. rank (teste R. R. Snelling, personal communication).

Hylaeus magniclavis (Swenk and Cockerell), n. syn. (teste R. R. Snelling, personal communication).

cressoni pasadenae (Cockerell). Syn. of cressoni cressoni (Cockerell). divergens (Cockerell). Syn. of wootoni (Cockerell).

dunningi (Cockerell). Syn. of affinis (Smith).

ellipticus (Kirby). Widespread in North America. Visits a number of flowers. (Hylaeus)

episcopalis (Cockerell). A subsp. of rugulosus (Cockerell). N. B., coquillettii (Cockerell) is removed from syn. of episcopalis and assigned as a valid subsp. of rugulosus.

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

floridanus (Robertson). Minn., Mich., Ill., Ky., N. C., Ga., Fla. On flowers of Erigeron, Ilex, Polygonella, Pyracantha, Aster, Solidago, Cornus and Eulophus. (Paraprosopis)..

Hylaeus modestus modestus Say, in part. Prosopis floridanus is a valid sp. and eulophi Robertson is a syn. of it (teste Mitchell, 1960, loc. cit. supra, p. 77).

*formosus Krombein. Fla. (Key Largo, Stock Is.); West Indies (Bahamas). On flowers of Metopium toxiferum.

Hylaeus formosus Krombein, 1953. Amer. Mus. Novitates 1633, p. 19. 9. *Hylaeus metopii Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bull. 141: 80. 9. Ñ. syn. (based on comparison of type material by K. V. Krombein).

georgicus (Cockerell). N. Y., N. C. On flowers of Pyracantha and Crataegus. (Paraprosopis)

giffardiellus Cockerell. A subsp. of rugulosus (Cockerell).

graenicheri Mitchell. On flowers of Flaveria and Metopium.

grossicornis (Swenk and Cockerell). Tex. east to N. C. and north to Minn., Wis., Mich. Visits flowers of Crataegus, Daucus and Pyracantha. (Hylaeus)

illinoisensis (Robertson). Ill. and W. Va. to N. Y., Mass., Maine. Visits many flowers. (Prosopis)

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