Results 91 to 100 of about 172 (121)

Exploring integument transcriptomes, cuticle ultrastructure, and cuticular hydrocarbons profiles in eusocial and solitary bee species displaying heterochronic adult cuticle maturation. [PDF]

open access: yesPLoS One, 2019
Falcon T   +14 more
europepmc   +1 more source

Topological mixing and irreversibility in animal chromosome evolution

open access: yes
Schultz DT   +4 more
europepmc   +1 more source
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High prevalence and infection levels of Nosema ceranae in bumblebees Bombus atratus and Bombus bellicosus from Uruguay

Journal of Invertebrate Pathology, 2015
Nosema ceranae is one of the most prevalent pathogens in Apis mellifera and has recently been found in multiple host species including several species of bumblebees. Prevalence and infection intensity of N. ceranae was determined in two species of native bumblebees from Uruguay.
Mariano Higes   +2 more
exaly   +3 more sources

Thermal investigations associated with the behaviour patterns of resting workers of Bombus atratus (Hymenoptera: Apidae)

Journal of Thermal Analysis and Calorimetry, 2011
The Neotropical bumblebee Bombus (Fervidobombus) atratus Franklin is widely distributed in South America ranging from tropical and subtropical lowlands to high altitudes in the Andes. Thermal investigations of the Neotropical bumblebee Bombus atratus at rest were performed by means of thermometry. Most social insects are diurnal foragers. When they are
I Lamprecht, Lamprecht I
exaly   +2 more sources

A mucous secretion in the malpighian tubes of a neotropical bumblebee,Bombus atratus Franklin

Protoplasma, 1979
A filamentous secretion composed of carboxylated and sulfated acid glycosaminoglycans (AGAG), neutral polysaccharides, and protein(s) appears in the lumen of the Malpighian tubes of the fully grown larvae of the bumblebee,Bombus atratus Franklin. A well-ordered macromolecular array was demonstrated specially for the carboxylated AGAG components of this
Maria Luiza Mello, Mello Maria Luiza S
exaly   +2 more sources

Determination of Flower Constancy in Bombus atratus Franklin and Bombus bellicosus Smith (Hymenoptera: Apidae) through Palynological Analysis of Nectar and Corbicular Pollen Loads

Neotropical Entomology, 2015
The flower constancy (the visit to a single plant species during a foraging trip) in pollinator insects is a theme widely discussed in behavioral ecology and has an important implication in the evolution of angiosperms. This behavior was studied in the bumblebees Bombus atratus Franklin and Bombus bellicosus Smith through palynological analysis of the ...
Natacha Rossi, C Invernizzi
exaly   +3 more sources

Comet assay protocol for Bombus atratus fat body and pericardial cells (Hymenoptera, bombini) at a safe concentration of mercury

Chemosphere, 2020
The decline of the Bombus population is closely related to the presence of environmental pollutants. Among these pollutants, trace metals represent a major concern, which includes mercury, a known genotoxic substance. The induction of genotoxicity may be demonstrated by the comet assay (a.k.a.
Fabio Camargo Abdalla, Paulo Balsamo
exaly   +3 more sources

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