Some biological observations on Hoplitis pilosifrons and Stelis lateralis (Hymenoptera, Megachilidae). |
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1955-10-01 |
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Notes on the Amreican bees of the genus Melecta (Hymenoptera, Apoidea). |
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1948-07-01 |
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The bee genus Eulonchopria (Hymenoptera: Colletidae). |
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1963-06-01 |
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The bees of the world. |
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2000-08-01 |
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A classification of the bees of the Australian and South Pacific regions. |
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1965-08-01 |
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Observations on the classification of the bees commonly placed in the genus Megachile (Hymenoptera: Apoidea). |
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1962-08-01 |
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Probable parasitism among Australian bees of the genus Allodapula (Hymenoptera, Apoidea, Ceratinini). |
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1961-08-01 |
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New Ceratinini from Australia (Hymenoptera, Apoidea). |
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1963-08-01 |
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The parasitic Australian allodapine genus Inquilina (Hymenoptera, Anthophoridae). |
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1983-08-01 |
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Classification of the American Colletinae. |
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1989-08-01 |
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The classification of the Diphaglossinae and North American species of the genus Caupolicana. |
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1966-09-01 |
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A review of the tribes Diphaglossini and Dissoglottini (Hymenoptera, Colletidae). |
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1986-09-01 |
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Taxonomic observations on bees with descriptions of new genera and species (Hymenoptera: Apoidea). |
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1942-09-01 |
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Bees of Panamá. |
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1954-09-01 |
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New Peruvian genus and a generic review of Andreninae. |
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1986-09-01 |
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Allodapine bees of Madagascar (Hymenoptera, Apoidea). |
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1977-09-01 |
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Larvae of African allodapine bees. 3. The genera Allodapula and Eucondylops. |
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1975-09-01 |
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A new genus of panurgine bee from Arizona. |
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1952-09-01 |
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Social parasites among African allodapine bees (Hymenoptera, Anthophoridae, Ceratinini). |
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1970-09-01 |
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Some Pacific coast Panurginus (Mymen., Apoidea). |
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1935-06-01 |
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The Neotropical Stelis-like cleptoparasitic bees (Hymenoptera: Megachilidae). |
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1994-08-01 |
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Appendix: Trigona genalis Friese, a hitherto unplaced New Guinea species. |
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1990-07-01 |
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Specific characters of the larvae and adults of Allodapula in the Australian region (Hymenoptera: Ceratinini). |
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1962-08-01 |
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Little-known meganomiine bees with a key to the genera. |
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1990-09-01 |
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The generic positions of certain South American eucerine bees (Hymenoptera, Apoidea). |
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1956-09-01 |
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Canephorulini, a tribe of South American bees (Hymenopt. - Apoidea). |
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1955-09-01 |
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Observations on the ethology of neotropical anthophorine bees (Hymenoptera: Apoidea). |
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1958-10-01 |
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Observations on the behavior of Brasilian halictid bees, III. |
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1958-10-01 |
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A study of the classification of the more primitive non-parasitic anthophorine bees (Hymenoptera, Apoidea). |
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1957-10-01 |
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A generic review of the Dufoureinae of the western hemisphere. |
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1965-09-01 |
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Comparative external morphology, phylogeny, and a classification of the bees. |
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1944-09-01 |
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The large species of Homalictus and related Halictinae from the New Guinea area. |
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1980-09-01 |
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A classification of the bees of the Australian and South Pacific regions. |
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1965-09-01 |
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The bionomics of Exoneurella, a solitary relative of Exoneura (Hymenoptera: Apoidea: Ceratinini). |
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1964-09-01 |
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Classification of the Apidae (Hymenoptera). |
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1990-09-01 |
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A taxonomic study of African Allodapine bees (Hymenoptera, Anthophoridae, Ceratinini). |
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1975-09-01 |
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Biologies of African Allodapine bees (Hymenoptera, Xylocopinae). |
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1971-09-01 |
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The classification of halictine bees: Tribes and old world nonparasitic genera with strong venation. |
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1978-09-01 |
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The parasitic groups of Halictidae. |
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1978-09-01 |
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Genus-group names of bees and supplemental family group names. |
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1997-09-01 |
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A review of the genera of Brachynomadini and a new South American genus (Hymenoptera, Apidae, Nomadinae). |
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1996-09-01 |
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Comparative external morphology, phylogeny, and a classification of the bees (Hymenoptera). |
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1944-09-01 |
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Classification of the bee family Melittidae with a review of species of Meganomiinae. |
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1981-09-01 |
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The family Melittidae in Madagascar. |
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1987-09-01 |
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North American bees of the genus Ancyloscelis (Hymenoptera, Anthophoridae). |
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1942-09-01 |
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The parasitic anthophorid genus Xeromelecta in Cuba (Hymenoptera: Apoidea). |
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1988-10-01 |
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Subgeneric groups of Hemisia (Hymenotpera, Apoidea). |
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1951-10-01 |
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Some American Eucerini bees. |
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1955-09-01 |
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Observations on a parasitic allodapine bee and its hosts in Java and Malaysia (Hymenoptera, Anthophoridae, Allodapine). |
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1990-09-01 |
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The genus Halterapis Michener 1969 in Madagascar (Hymenoptera, Xylocopinae). |
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1992-09-01 |
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The relictual bee genus Manuelia and its relation to other Xylocopinae (Hymenoptera: Apoidea). |
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1987-09-01 |
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A contribution toward the classification of Neotropical Eucerini (Hymenoptera, Apoidea). |
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1955-09-01 |
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The bee family Fideliidae in South America (Hymenopt. - Apoidea). |
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1955-09-01 |
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Nests and immature stages of the bee Paratetrapedia swainsonae (Hymenoptera: Anthophoridae). |
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1988-09-01 |
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A generic revision of the North American Nomadidae. |
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1939-09-01 |
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The Biology of Social Insects |
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1982-08-01 |
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Phylogenetic studies of the families of short-tongued bees (Hymenoptera: Apoidea). |
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1995-05-01 |
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An African genus of cleptoparasitic halictid bees (Hymenoptera, Halictidae). |
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1987-05-01 |
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