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- The Type Material of Swedish Bees (Hymenoptera, Apoidea) IV. Bees from Thomson’S Collection
- Pollinator Biology and Habitat
- Epeolus Cruciger (Panzer, 1799) Als Möglicher Kuckuck Von Colletes
- Northern Ireland Threatened Bee Report
- A Preliminary Note to the Bionomy of Colletes Inexpectatus Noskiewicz, 1936 Based on Observation of a Larger Nesting Site (Hymenoptera: Apiformes)
- Wisconsin Wildlife Action Plan 3.5 Invertebrate Species of Greatest Conservation Need
- European Red List of Bees
- Preliminary List of Minnesota Bees
- Colletes Inaequalis Is an Early Spring Species Which Visits Willow, Plum and Other Flowers
- Bees of Maine, with a State Species Checklist
- ACTA ENTOMOLOGICA 58(1): 127–135 MUSEI NATIONALIS PRAGAE Doi: 10.2478/Aemnp-2018-0010
- The Spread of Colletes Hederae Schmidt & Westrich, 1993 Continues – First Records of This Plasterer Bee Species from Slovakia and the Czech Republic
- Melissa 9, February 1996
- Hymenoptera, Apoidea) for Sardinia (Italy)
- Colletidae-Colletes
- Imperiled Mojave Poppy
- Prerevisional Checklist and Synonymy of the Bees of Sweden (Hymenoptera: Apoidea)
- Molecular, Biogeographical and Phenological Evidence for The
- Engel Dathe.Indd
- The Synonymy and Types of Certain Genera of Hymenoptera
- Document: Free, J
- Bees (Hymenoptera: Apoidea: Apiformes) James H. Cane2
- Colletes Hederae Schmidt & Westrich, 1993 (The Ivy Bee)
- Bees and Their Habitats in Four New England States
- Pollinators & Plants Tour
- Colletidae Nesting Biology (Hymenoptera: Apoidea)*
- Comparative Notes on the Biology and Development of Epeolus
- Hymenoptera: Apoidea: Colletidae)
- Selected Publications of the Entomology Collections, 1994 – 2003
- Bees in Scotland
- The Nesting Biology of Colletes Kincaidii Cockerell (Hymenoptera: Colletidae) and Development of Its Immature Forms
- Bee Observer Cards Complete Set of 36 Cards There Are Approximately 20,000 Described Species of Bees Living on All Continents Except Antarctica