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Biology and Immature Stages of the Bee Tribe Tetrapediini (Hymenoptera: Apidae)
The immatures of Coelioxoides and Tetrapedia are quite distinct from those of other known apids and by this study are quite different from one another based on features of the eggs, first instars, and pupae.
Orchid bees (Hymenoptera: Apidae) in the coastal forests of southern Brazil: diversity, efficiency of sampling methods and comparison with other Atlantic forest surveys
Os levantamentos da fauna de abelhas euglossineas realizados ate o momento ao longo da floresta Atlântica sao restritos a poucas regioes e nao permitem um entendimento mais aprofundado dos padroes…
The corbiculate bees arose from New World oil-collecting bees: implications for the origin of pollen baskets.
Has the bumblebee Bombus bellicosus gone extinct in the northern portion of its distribution range in Brazil?
Possible causes for local extinction of this species are discussed, including habitat conversion, pollution and climate change.
Molecular phylogeny of the stingless bees (Apidae, Apinae, Meliponini) inferred from mitochondrial 16S rDNA sequences
The African genus Hypotrigona was placed as the most basal branch in the tribe, followed by Austroplebeia as the sister group of other two major clades (C and D).
Geographic distribution and spatial differentiation in the color pattern of abdominal stripes of the Neotropical stingless bee Melipona quadrifasciata (Hymenoptera: Apidae)
- H. Batalha‐Filho, G. A. Melo, A. M. Waldschmidt, L. Campos, T. M. Fernandes-Salomão
- 1 June 2009
The observed patterns of geographic differentiation of M. quadrifasciata suggests the occurrence of repeated events of geographical isolation, followed by range expansion, that occurred probably during the cycles of climatic changes in the Pleistocene.
Bees, birds and yellow flowers: pollinator-dependent convergent evolution of UV patterns.
The hypothesis that flower colours and the visual capabilities of their efficient pollinators are adapted to each other is supported, and the appearance of UV patterns within flowers is the main difference in spectral reflectance between yellow bee- and bird-pollinated Flowers.
Seeking the flowers for the bees: Integrating biotic interactions into niche models to assess the distribution of the exotic bee species Lithurgus huberi in South America
The higher‐level phylogenetic relationships of the Eumeninae (Insecta, Hymenoptera, Vespidae), with emphasis on Eumenes sensu lato
- M. G. Hermes, G. A. Melo, J. Carpenter
- BiologyCladistics : the international journal of the…
- 1 October 2014
The results corroborated the monophyly of Eumeninae, and recovered Zethini sensu lato as the sister‐lineage to the remaining eumenines.
Species conservation under future climate change: the case of Bombusbellicosus, a potentially threatened South American bumblebee species
- A. C. Martins, D. P. Silva, P. Marco, G. A. Melo
- Environmental ScienceJournal of Insect Conservation
- 1 February 2015
The results show that the suitable climatic conditions for B.bellicosus will retreat southwards, and the results presented here may eventually provide theoretical grounds and enable practical conservation actions for bumblebee protection in South America, especially given the potential adverse effects of climate changes for this species.