Results 31 to 40 of about 636 (131)

Maintenance of Colonies and Foraging Behaviour of Melipona quadrifasciata (Hymenoptera, Meliponina) in a Greenhouse of Lycopersicon esculentum (Solanaceae)

open access: yesSociobiology, 2014
The use of stingless bees in greenhouses has provided tremendous benefits to diverse crops in terms of productivity and fruit quality. However, knowledge about management techniques in these environments is still scarce.
Bruno Ferreira Bartelli   +2 more
doaj   +1 more source

Attractiveness and toxicity of two insecticides to Tetragonula laeviceps (Apidae: Meliponinae)

open access: yesIOP Conference Series: Earth and Environmental Science, 2022
Abstract Stingless bee, Tetragonula laeviceps, plays a primary role in ecosystem services as a pollinator for coffee, cocoa, and pepper. Attacks of insect pests cause low production of several plantation plants. Farmers commonly use synthetic insecticides to control insect pests.
N Mubin, L Nurulalia, null Dadang
openaire   +1 more source

Contribuições da Embrapa Amazônia Oriental para a criação racional de meliponíneos amazônicos. [PDF]

open access: yes, 2014
A região Amazônica ostenta o título de maior floresta tropical contínua do planeta. Nos últimos anos, preocupados com o crescente desmatamento, diversos setores têm buscado alternativas sustentáveis de desenvolvimento, despontando a meliponicultura como ...
VENTURIERI, G. C.
core  

Extraction of genomic DNA from Melipona quadrifasciata (Hymenoptera: Apidae, Meliponinae)

open access: yesBrazilian Journal of Genetics, 1997
The objective of the present study was to test three different procedures for DNA extraction of Melipona quadrifasciata based on existing methods for DNA extraction of Apis, plants and fungi. These methods differ in the concentrations of specific substances in the extraction buffer.
Waldschmidt, Ana Maria   +3 more
openaire   +3 more sources

Amplitude de nicho e similaridade no uso de recursos florais por abelhas eussociais em uma área de Cerrado

open access: yesBioscience Journal, 2007
A identificação das espécies de abelhas e suas relações com as plantas são importantes para conhecer os polinizadores e traçar estratégias de exploração racional de recursos naturais.
Fernanda Helena Nogueira-Ferreira   +1 more
doaj  

Angiosperm flora used by meliponine guilds (Apidae, Meliponina) occurring at rainforest edges in the state of Ceará, Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2014
Information about the use of floristic resources of the immediate edges of ombrophilous forest (Atlantic rainforest) fragments by stingless bees is not readily available in the scientific literature.
LUIZ W. LIMA-VERDE   +2 more
doaj   +1 more source

Structural and ultrastructural characterization of male reproductive tracts and spermatozoa in fig wasps of the genus Pegoscapus (Hymenoptera, Chalcidoidea) [PDF]

open access: yes, 2008
The three Pegoscapus species present the same internal reproductive tract features comprising testes with a single testicular tubule, seminal vesicles, vasa deferentia, accessory glands and an ejaculatory duct.
Báo, Sônia Nair   +2 more
core   +1 more source

Espectro polínico de amostras de mel de Melipona mandacaia Smith, 1863 (Hymenoptera: Apidae) = Pollen spectrum from honey samples of Melipona mandacaia Smith, 1863 stingless bee (Hymenoptera: Apidae)

open access: yesActa Scientiarum: Biological Sciences, 2006
O espectro polínico de amostras de mel da abelha Melipona mandacaia foi analisado com objetivo de elucidar os recursos alimentares utilizados por essa espécie.
Rogério Marcos de Oliveira Alves   +2 more
doaj  

Análise do nicho trófico e da influência das precipitações no forrageamento de Melipona eburnea Friese (Apidae: Meliponina) criadas no Acre, Brasil

open access: yesEntomoBrasilis, 2018
Resumo. O presente trabalho teve como objetivo identificar plantas utilizadas por Melipona eburnea Friese para coleta de pólen e verificar a influência das precipitações no forrageamento dessa espécie.
Francisco da Silva Correia   +2 more
doaj   +1 more source

Virgin queens in stingless bee (Apidae, Meliponinae) colonies: a review [PDF]

open access: yesApidologie, 1995
Les reines vierges dans les colonies d'abeilles sans dard (Apidae, Meliponinae): mise au point. Il existe plusieurs strategies pour maintenir les reines chez les especes d'abeilles sans dard. Elles incluent toutes une protection des reines vierges, au moins durant certaines periodes du cycle de la colonie. Chez les Meliponini, ou les reines emergent et
V. L. Imperatriz-Fonseca, R. Zucchi
openaire   +1 more source

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