Results 21 to 30 of about 211 (48)

Variação na estrutura do habitat afetando a composição de abelhas e vespas solitárias em remanescentes florestais urbanos de Mata Atlântica no Nordeste do Brasil [PDF]

open access: yes, 2006
Habitat disruption affects pollinator populations by reducing the suitable habitat. Determining habitat characteristics which explain variation of the pollinator composition is important in understanding how habitat alteration can affect their population
Drumond, Patricia Dias   +2 more
core   +2 more sources

Diversidade de abelhas sem ferrão (Meliponina) em áreas urbanas no Brasil e avaliação da toxicidade aguda de Malathion para Partamona helleri (Friese, 1900) [PDF]

open access: yes, 2021
This dissertation presents two sections that aimed to understand the diversity of stingless bees inserted in urban environments and one of the main factors why this diversity can be threatened today.
Santos, Samuel Júlio Lima dos
core   +1 more source

Occupation and Emergence of Solitary Bees in Different Types of Trap Nests [PDF]

open access: yes, 2019
The study investigated the occupation and emergence of bees that nest in trap-nests and assessed aspects of the structure of such nests, sex ratio, parasitism and mortality of bees in four areas of Baturité Massif, State of Ceará.
Brasil, Daniel de Freitas   +4 more
core   +2 more sources

Bionomy and Nesting Behavior of the Bee Epanthidium tigrinum (Schrottky, 1905) (Hymenoptera: Megachilidae) in Trap-Nests [PDF]

open access: yes, 2020
About 85% of pollinating bees are solitary, but few are used for agricultural pollination. The Anthidiini tribe looks very promising in Brazil, in the light of ecosystem utility, but  it is still a species with poorly scientific research[EdM1] .
Cavalcante, Arianne Moreira   +4 more
core   +2 more sources

Biologia da nidificação de Xylocopa frontalis e Xylocopa grisescens (Hymenoptera, Apidae, Xylocopini) em ninhos-armadilha [PDF]

open access: yes, 2017
Algumas espécies do gênero Xylocopa são conhecidas como polinizadores efetivos das culturas de maracujá e a falta ou a presença reduzida dessas abelhas nos plantios tem se constituído em um dos maiores problemas enfrentados pelos produtores.
Garófalo, Carlos Alberto   +1 more
core   +1 more source

Aspectos biológicos de interações predatórias entre vespas solitárias (hymenoptera: aculeata) e aranhas em um fragmento de mata atlântica do sul do brasil [PDF]

open access: yes, 2021
Redes de interação ecológicas, construídas ao associar espécies que interagem em uma comunidade biológica, representam uma importante ferramenta na descrição de assembleias ecológicas. Ao prover um meio de abordar diferentes resoluções taxonômicas em uma
Oliveira, Henrique Negrello
core  

Nesting Biology, Sexual Dimorphism, and Populational Morphometric Variation in Podium denticulatum F. Smith, 1856 (Hymenoptera: Sphecidae) [PDF]

open access: yes, 2020
Podium denticulatum occurs from Mexico to southern Brazil, including northeastern Argentina. Females use pre-existing cavities to build nests, consisting of cells separated by walls of mud and resin and massively provisioned with paralyzed cockroaches ...
Del Lama, Marco Antonio   +3 more
core   +3 more sources

Assembleia de vespas (Hymenoptera) que nidificam em ninhos-armadilha na Reserva Natural do Salto-Morato (Pr) [PDF]

open access: yes, 2015
Orientadora : Profª. Drª. Maria Luisa Tunes BuschiniDissertação (mestrado) - Universidade Federal do Paraná, Setor de Ciências Biológicas, Programa de Pós-Graduação em Ciências Biológicas (Entomologia).
Costa, Camila Cristina Ferreira da
core   +1 more source

Solitary wasps diversity (Hymenoptera: Aculeata) in different cultivation environments / Diversidade de vespas solitárias (Hymenoptera: Aculeata) em diferentes ambientes de cultivo [PDF]

open access: yes, 2019
Wasps contribute to environmental quality and ecosystem services, and play a key role in the functioning of many environments. The present study identified the diversity of species of solitary wasps that occupied trap-nests in farming environments.
Adriane Vieira Souza   +5 more
core   +2 more sources

Collection of Pollen Grains by Centris (Hemisiella) tarsata Smith (Apidae: Centridini): Is C. tarsata an Oligolectic or Polylectic Species? [PDF]

open access: yes
Lia Goncalves, Claudia Ines da Silva, and Maria Luisa Tunes Buschini (2012) Collection of pollen grains by Centris (Hemisiella) tarsata Smith (Apidae: Centridini): Is C. tarsata an oligolectic or polylectic species?
da Silva, Claudia Ines   +2 more
core  

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