Bombus terrestris
Socio economic effects on colony size in the bumble bee Bombus terrestris (Hymenoptera: Apidae): a thesis submitted in conformity with the requirements for the degree of Master of Science in Zoology at Massey University
... This study examined factors related to the development and size of bumble bee colonies Bombus terrestris L... in both the laboratory and the field..[r] ...
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Chronic exposure to imidacloprid increases neuronal vulnerability to mitochondrial dysfunction in the bumblebee (Bombus terrestris)
... ABSTRACT The global decline in the abundance and diversity of insect pollinators could result from habitat loss, disease, and pesticide exposure. The contribution of the neonicotinoid insecticides (e.g., clothianidin and ...
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Identification and functional characterisation of a novel N-cyanoamidine neonicotinoid metabolising cytochrome P450, CYP9Q6, from the buff-tailed bumblebee Bombus terrestris
... (Bombus terrestris) cytochrome P450s of the CYP9Q subfamily, CYP9Q4 and CYP9Q5, are important biochemical determinants of sensitivity to neonicotinoid ...B. terrestris, encoding an enzyme that ...
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Harmonic radar tracking reveals random dispersal pattern of bumblebee (Bombus terrestris) queens after hibernation
... over-wintered Bombus terrestris queens shows that they spend most of their time resting on the ground with intermittent very short flights (duration and ...
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Nutrient balancing of the adult worker bumblebee (Bombus terrestris) depends on the dietary source of essential amino acids
... Animals carefully regulate the amount of protein that they consume. The quantity of individual essential amino acids (EAAs) obtained from dietary protein depends on the protein source, but how the proportion of EAAs in ...
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Specific recognition of reproductive parasite workers by nest-entrance guards in the bumble bee Bombus terrestris
... Background: The impact of social parasites on their hosts ’ fitness is a strong selective pressure that can lead to the evolution of adapted defence strategies. Guarding the nest to prevent the intrusion of parasites is ...
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Separation of different pollen types by chemotactile sensing in Bombus terrestris
... Sanchez et al., 2005; Falibene et al., 2015), recognize mates (Blomquist and Bagne ̀ res, 2010; Leonhardt et al., 2016; Wilson, 1971), differentiate between colony members and foreigners (Fletcher and Michener, 1987; ...
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Precocene I inhibits juvenile hormone biosynthesis, ovarian activation, aggression and alters sterility signal production in bumble bee (Bombus terrestris) workers
... in Bombus terrestris workers, and examined its effects on their physiology and ...B. terrestris, and indicate that JH effects are associated with worker dominance ...
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Bumblebee calligraphy: the design and control of flight motifs in the learning and return flights of Bombus terrestris
... Effective learning in natural surroundings is difficult for animals to implement. Insects often simplify learning by restricting it to pre- specified cues (Ômura and Honda, 2005; Balkenius et al., 2006) that may be ...
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Social regulation of maternal traits in nest founding bumble bee (Bombus terrestris) queens
... Bombus terrestris (Linnaeus 1758) is a well-studied, temperate bumble bee that is commercially managed for pollination services (Velthuis and Van Doorn, ...
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Sublethal effects of kaolin and the biopesticides Prestop Mix and BotaniGard on metabolic rate, water loss and longevity in bumble bees (Bombus terrestris)
... Pest management systems must be compatible with pollinators and other beneficial organisms which improve yields and quality of produce. In addition to their role as pollinators, bees are also used as entomovectors to ...
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Discontinuous gas exchange cycles and active ventilation in pupae of the bumblebee Bombus terrestris
... Zusammenfassung – Diskontinuierliche Gasaus- tauschzyklen und aktive Ventilierung bei Puppen der Hummel Bombus terrestris. Hummeln sind wichtige Bestäuber und ihre Aktivität hängt von ihrem physiologischen ...
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Alternative splicing associated with phenotypic plasticity in the bumble bee Bombus terrestris
... "This is the peer reviewed version of the following Price, Jonathan, Harrison, M. C., Hammond, R. L., Adams, Stefan, Gutierrez-Marcos, José F. and Mallon, E. B. (2018) Alternative splicing associated with phenotypic ...
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IMPIEGO DI BOMBUS TERRESTRIS (L ) PER LA DIFFUSIONE DI ANTAGONISTI NATURALI DI BOTRYTIS CINEREA (PERS) IN AMBIENTI PROTETTI COLTIVATI A FRAGOLA
... www.nysipm.cornell.edu/pubblications/botrytis.html. Ultima visita 10/09/2004. • MACCAGNANI B., MOCIONI M., GULLINO M.L., LADURNER E., 1999. Ap- plication of Trichoderma harzianum by using Apis mellifera as a vector for ...
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Validation of the doubly labelled water technique for bumblebees Bombus terrestris (L )
... Bumblebee (Bombus terrestris) colonies from two sources were used. During spring and summer, wild colonies were excavated and installed either in small wooden boxes in the field or in plaster nest boxes ...
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Food demand for colony development, crop preference and food availability for Bombus terrestris (L ) (Hymenoptera: Apidae) : a thesis submitted in fulfilment of the requirements for the degree of Doctor of Philosophy in Zoology
... B. terrestris queens were removed from artificial hibernation in laboratory refrigerators, (4-6 C) between 5- 1 7 August 1 987. These queens were all sisters mated by males from 1 -2 other colonies (cross-mating). ...
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Socio economic effects on colony size in the bumble bee Bombus terrestris (Hymenoptera: Apidae): a thesis submitted in conformity with the requirements for the degree of Master of Science in Zoology at Massey University
... 2.1 EXPERIMENT 1 THE EFFECT OF FEEDING SUPPLEMENTARY SUGAR SOLUTION ON FREE FORAGING BUMBLE BEE COLONIES.. Many authors have suggested that bumble bee colony size in the field is limited[r] ...
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Nosema disease of the bumble bee Bombus terrestris (L ) : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in zoology at Massey University
... Index of spore abundance in the faeces of queens versus time: naturally infected.. Index of spore abundance in the faeces of queens versus time: three treatments.[r] ...
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Nosema disease of the bumble bee Bombus terrestris (L ) : a thesis presented in partial fulfilment of the requirements for the degree of Master of Science in zoology at Massey University
... NBT spore abundance in the faeces of queens versus time: ·recycling fecal material.. Spore transit trial: transit of heat-killed spores through the gut of the bee..[r] ...
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Preferred viewing directions of bumblebees (Bombus terrestris L ) when learning and approaching their nest site
... Commercially reared colonies of B. terrestris came from Koppert, UK. During experiments, a colony nest-box was fixed below the table and its entrance hole was attached via a series of tubes, gates and blind alleys ...
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