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