Results 31 to 40 of about 785 (202)

Síndrome de envenenamento por 2000 picadas de abelhas africanizadas. Relato de caso Poisoning syndrome due to 2,000 stings of africanized honeybees

open access: yesRevista Brasileira de Terapia Intensiva, 2006
JUSTIFICATIVA E OBJETIVOS: As abelhas empregadas inicialmente na produção melífera eram de origem européia, sendo de baixa produtividade e mansas. Em 1956 foram trazidas espécies africanas com maior capacidade produtiva, porém extremamente agressivas ...
Rita Vianna de Azevedo   +3 more
doaj   +1 more source

Reproductive Success of an Endangered Plant after Invasive Bees Supplant Native Pollinator Services

open access: yesDiversity, 2021
Arctomecon humilis (dwarf bear poppy) is an endangered gypsophile restricted to the St. George area in southern Utah, USA. Extirpation of the rare oligolectic bee Perdita meconis and decline of other native pollinators within the last 20 years has been ...
Alyson M. DeNittis, Susan E. Meyer
doaj   +1 more source

Foraging activity of africanized honeybees (Apis mellifera L.): A study of nectar and pollen resources on a temporal scale

open access: yesEntomoBrasilis, 2019
. The spatial and temporal distribution of food resources, as well as the type, quantity, and quality of the foods stocked in the hive are the principal regulatory factors of the choice and intensity of floral resource harvesting by bees.
Leandro Pereira Polatto   +3 more
doaj   +1 more source

Varroa destructor in Africanized honey bees in Brazil: genetic and reproductive profile

open access: yesSociobiology, 2022
The mite Varroa destructor is one of the most studied parasites in apiculture, and its genotype variation is a key factor for the severity of infestation in bee colonies.
Lubiane Guimarães Cestaro   +5 more
doaj   +1 more source

Bee species (Hymenoptera: Anthophila) in a Cerrado-Atlantic Forest ecotone: nesting habits related to foraging activity in a degraded forest fragment

open access: yesEntomoBrasilis, 2020
The aim of this paper was to determine the species diversity and frequency of foraging performed by bees in fragment of degraded forest in a Cerrado-Atlantic Forest ecotone area, also considering the nesting habit of each species.
Leandro Pereira Polatto   +1 more
doaj   +1 more source

Reproductive ability and level of infestation of the Varroa destructor mite in Apis mellifera apiaries in Blumenau, State of Santa Catarina, Brazil - doi: 10.4025/actascibiolsci.v36i1.20366

open access: yesActa Scientiarum: Biological Sciences, 2013
Varroa destructor mite causes mortality of Apis mellifera bees throughout the world. Its greatest damage to these colonies has been reported in European countries and North America.
Francisco Estevão Carneiro   +3 more
doaj   +1 more source

Honeybees attractant in hybrid colored sunflower seed production crop/
Atrativo para abelhas em campos de produção de sementes de girassol colorido híbrido

open access: yesSemina: Ciências Agrárias, 2005
Africanized honeybee (Apis mellifera), in sunflower (Helianthus annuus) seed production crop, show male-fertile head preference, which decreases seed production.
José Lopes   +2 more
doaj   +1 more source

The impacts of biological invasions

open access: yesBiological Reviews, EarlyView.
ABSTRACT The Anthropocene is characterised by a continuous human‐mediated reshuffling of the distributions of species globally. Both intentional and unintentional introductions have resulted in numerous species being translocated beyond their native ranges, often leading to their establishment and subsequent spread – a process referred to as biological
Phillip J. Haubrock   +42 more
wiley   +1 more source

Beeswax: Food and beyond

open access: yesFood Biomacromolecules, EarlyView.
Abstract Honeybees (Apis mellifera L.) are an important class of insects that are the most beneficial in terms of economy. Beeswax is the second most important bee products after honey. Its commercial importance is due to its antimicrobial, antioxidant, anti‐inflammatory and antiseptic as well as regenerative properties.
Rajshri Naveen, Manickam Loganathan
wiley   +1 more source

Effects of abiotic factors on the foraging activity of Apis mellifera Linnaeus, 1758 in inflorescences of Vernonia polyanthes Less (Asteraceae)

open access: yesActa Scientiarum: Animal Sciences, 2015
Knowledge on the foraging activity of Apis mellifera under the influence of abiotic factors has not been fully elucidated. Knowing the interactions between bees and plants with beekeeping relevance is fundamental to develop management strategies aimed at
Luis Henrique Soares Alves   +2 more
doaj   +1 more source

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