The evolution and loss of oil-offering flowers: new insights from dated phylogenies for angiosperms and bees. [PDF]
Renner SS, Schaefer H.
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A new species of Centris ( Centris) (Fabricius) from northeastern Brazil, with taxonomic notes on C. ( C.) pulchra Moure, Oliveira & Viana (Hymenoptera, Apidae). [PDF]
Mahlmann T, de Oliveira FF.
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Jahresbericht : 2002 / IWF Wissen und Medien gGmbH [PDF]
Institut für den Wissenschaftlichen Film
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Structure and ultrastructure of nuptial and extranuptial nectaries explain secretion changes throughout flower lifetime and allow for multiple ecological interactions. [PDF]
Balduino H +4 more
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Bees diversified in the age of eudicots. [PDF]
Cardinal S, Danforth BN.
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Nutritional Regulation of Phenotypic Plasticity in a Solitary Bee (Hymenoptera: Megachilidae). [PDF]
Fischman BJ +2 more
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An alien in the group: eusocial male bees sharing nonspecific reproductive aggregations. [PDF]
Dos Santos CF +2 more
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Pollination and reproductive biology of twelve species of neotropical Malpighiaceae: stigma morphology and its implications for the breeding system. [PDF]
Sigrist MR, Sazima M.
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On optimal nectar foraging by some tropical bees (Hymenoptera: Apidae) [PDF]
[A[A[A[A[A[A[A[A[A M. Aluja +4 more
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