Results 31 to 40 of about 633 (128)

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

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

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  

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

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

Nest entrance types of stingless bees (Hymenoptera: Apidae sensu lato) in a Tropical Dry Forest of mid-Western Brazil

open access: yesSociobiology, 2013
Characteristics of nest structure and nesting habits are useful in taxonomical, phylogenetic, and ecological studies, but for some environments this information is lacking.
Felipe Varussa de Oliveira Lima   +2 more
doaj  

Melitocoria de Zygia racemosa (Ducke) Barneby & Grimes por Melipona seminigra merrillae Cockerell, 1919 y Melipona compressipes manaosensis Schwarz, 1932 (Hymenoptera, Meliponina) en la Amazonía Central, Brasil Melitocory of Zygia racemosa (Ducke) Barneby & Grimes by Melipona seminigra merrillae Cockerell, 1919 and Melipona compressipes manaosensis Schwarz, 1932 (Hymenoptera, Meliponina) in Central Amazon, Brazil

open access: yesActa Amazonica, 2006
Durante el periodo de enero a abril de 2005 fueron encontradas semillas de Zygia racemosa, incorporadas al geoprópolis, en el interior de abejas sin aguijón en dos meliponarios experimentales en Manaus - AM. Fue observada intensa actividad de las obreras
Christinny Giselly Bacelar-Lima   +6 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

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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