Results 71 to 80 of about 12,528 (188)
, 2018 17 pages : illustrations ; 26 cm.This paper describes and illustrates the egg, fifth, first, and fourth larval instars, as well as the female pupa of Bombus (Cullumanobombus) griseocollis (DeGeer), all collected from a single nest in June 2017 in ...
Johnson, Dennis E. (Dennis Earl), 1942- +2 more
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Concentrated vulnerabilities in bees: Diet specialists have smaller geographic ranges
Insect Conservation and Diversity, EarlyView.Niche breadth theory predicts a positive association between range size and diet breadth, which could concentrate risk among specialists, but this is not well established for bees. Using global occurrence data (range size) and natural history collection‐derived pollen data (diet breadth), we compared these traits in 633 species from six families and ...
Charles N. Thrift +4 more
wiley +1 more source
Materials on the fauna of bumblebees (Hymenoptera: Apidae: Bombus) of Penza Region
Известия высших учебных заведений. Поволжский регион: Естественные наукиBackground. The study of the bumblebee fauna in Penza region can inform the development of regional policies for sustainable environmental management, including biodiversity conservation.
T.G. Stojko, O.A. Polumordvinov
doaj +1 more source
Insect Conservation and Diversity, EarlyView.A unique high‐elevation Exoneura bee defies typical elevation‐driven declines in bee activity, nesting exclusively in dead branches of snow gums near the alpine tree line. Nesting and foraging are tightly linked to snow gum presence, with most activity occurring within 30 m of these trees. Biophysical modelling indicates the bee's thermally constrained
Joshua M. Coates +3 more
wiley +1 more source
Insect Conservation and Diversity, EarlyView.Revegetated mine tailing storage facilities support pollinator abundance, diversity, richness and evenness comparable to recently logged boreal forest sites. Agronomic and spontaneous revegetation strategies host similar pollinator and Bombus community structures, indicating multiple rehabilitation approaches can effectively restore pollinator habitat.
Anne‐Sophie Caron +2 more
wiley +1 more source
Bombus (Bombus) minshanensis Bischoff
, 2014 63. Bombus (Bombus) minshanensis Bischoff (Figs 128, 129) Bombus (Bombus) patagiatus subsp. minshanensis Bischoff, 1936: 3. Taxonomy. Revised by Williams et al. (2012 a, b). This species has been confused with B. patagiatus. Material examined.
Shao, Youquan +7 more
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SociobiologyBumble bees (Bombus spp.) are key pollinators in Himalayan ecosystem, but habitat degradation and floral resource scarcity threaten their population. Foxglove, Digitalis purpurea, an introduced plant with deep corolla, is an important source of pollen ...
Ankita Guleria +4 more
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Rapid disruption of pollination function by the invasive plant Impatiens glandulifera
Plant Biology, EarlyView.Invasion by Impatiens glandulifera rapidly disrupts pollination of the native plant Stachys sylvatica by altering pollen transport by shared bumblebee pollinators. A short‐term field introduction revealed a dramatic decline in conspecific pollen deposition within 4 days, showing that pollination function can collapse quickly following invasion, even ...
R. Pérez‐Barrales +3 more
wiley +1 more source
Microsatellite analysis reveals the spatial dynamics of Bombus humilis and Bombus sylvarum [PDF]
, 2010 1. Substantial reductions in the distributional ranges of several species of bumblebee have been recorded in the UK. Loss and fragmentation of suitable foraging and nesting habitat to agricultural intensification is thought to be the main driving force ...
Steer, Jonathan, Connop, Stuart
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Bombus (Bombus) hypocrita Perez
, 2011 40. Bombus (Bombus) hypocrita Pérez (Fig. 43) BOMBUS IGNITUS var. HYPOCRITA Pérez, 1905: 30, type not seen. Japan (not Transbaikal). Material examined. 6 queens 232 workers 200 males (IAB). Distribution in Gansu.
An, Jiandong +4 more
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