Systematics of the Colletidae Based on Mature Larvae with Phenetic Analysis of Apoid Larvae (Hymenoptera, Apoidea)

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Systematics of the Colletidae Based on Mature Larvae with Phenetic Analysis of Apoid Larvae (instecta, Hymenoptera, Apoidea)

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Systematics and Bionomics of Anthophora--the Bomboides Group and Species Groups of the New World (Hymenoptera--Apoidea, Anthophoridae)

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Systematics of Bees of the Genus Eufriesea (Hymenoptera, Apidae)

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Phenetics and Ecology of Hybridization in Buckeye Butterflies (Lepidoptera:Nymphalidae)

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A Review of the North and Central American Species of Paravilla Painter (Diptera--Bombyliidae)

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Review of the Nearctic Alysiini (Hymenoptera, Braconidae)

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Taxonomic Studies of the Encyrtidae with the Descriptions of New Species and a New Genus

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Wasps of the Genus Trypoxylon Subgenus Trypargilum in North America

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Systematics and Biogeography of Colletidae (Hymenoptera: Apoidea)

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