Results 81 to 90 of about 7,099 (237)
Task allocation and reproductive skew in social mass provisioning carpenter bees in relation to age and size [PDF]
, 1998 The mass provisioning carpenter bees comprise two tribes, the Xylocopini and the Ceratinini. Although social nesting occurs in both tribes, no morphological castes have evolved and females are totipotent, which makes the tribe as a whole highly ...
Hogendoorn, K., Velthuis, H.H.W.
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Insect Conservation and Diversity, Volume 19, Issue 1, Page 56-71, January 2026.Wild bee functional groups consist of species that are grouped together based on their similarity in multiple nesting and foraging traits. These functional groups have their own specific association with suitable habitats and urban or agricultural landscapes.
Jaco J. T. C. Visser +3 more
wiley +1 more source
NEW CASES OF GYNANDROMORPHISM IN XYLOCOPA LATREILLE, 1802 (HYMENOPTERA: APIDAE)
Papéis Avulsos de ZoologiaGynandromorphism is the most common case of sexual anomaly reported in bees and is characterized by individuals that show male and female traits simultaneously in the body.
PAULA CAETANO ZAMA, IGOR RISMO COELHO
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Journal of Hymenoptera Research, 2020 Island ecosystems are particularly vulnerable to the introduction of exotic species that can have an impact on local fauna and flora. Here, the carpenter bee Xylocopa pubescens is reported in Gran Canaria (Canary Islands, Spain) for the first time.
C. Ruiz +3 more
semanticscholar +1 more source
In vivo length oscillations of indirect flight muscles in the fruit fly Drosophila virilis [PDF]
, 1996 We have used high-speed video microscopy to measure in vivo length oscillations of the indirect flight muscles of the fruit fly Drosophila virilis during tethered flight.
Chan, Wai Pang, Dickinson, Michael H.
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Studies on pollinator fauna and their relative abundance of sunflower (Helianthus annuus L.) at Pantnagar, Uttarakhand, India [PDF]
, 2013 Pollinators provide key services to both natural and agricultural ecosystems. Agricultural productivity depends, in part on pollinator populations from adjacent semi natural habitats.The diversity and abundance of different insect visitors on sunflower ...
Goswami, Vimla, Khan, M. S., Usha, Usha
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Bacterial Communities in Three Parts of Intestinal Tracts of Carpenter Bees (Xylocopa tenuiscapa)
Insects, 2020 This study investigated different bacterial communities in three intestinal parts (foregut, midgut and hindgut) of Xylocopa tenuiscapa to understand the roles of gut bacteria. Our phylogenetic analysis revealed that X.
Phakamas Subta +9 more
semanticscholar +1 more source
Insect Science, Volume 32, Issue 6, Page 1911-1925, December 2025.• The bees Anthophora plumipes and Osmia cornuta had a higher occurrence probability of the neogregarine protozoan Apicystis bombi in more fragmented urban areas.• In the bee Halictus scabiosae and wasp Polistes dominula, hotter urban areas increased the likelihood of occurrence of viruses.• The viruses were found to be replicative in the samples, and ...
Andrea Ferrari +2 more
wiley +1 more source
Requerimentos de polinização e biologia floral da castanheira-do-brasil (Bertholletia excelsa Bonpl., Lecythidaceae) em um SAF em Tomé-Açu, Pará. [PDF]
, 2011 A castanheira-do-brasil (Bertholletia excelsa Bonpl.) pertence à família Lecythidaceae predominantemente alógama. Estudos prévios mostram que os polinizadores são abelhas da família Apidae (Bombus, Xylocopa, Eulaema, Epicharis, Centris).
CORRÊA, F. da S. +3 more
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Pollen: ovule ratio and its relationship with other reproductive traits in some Passiflora species (Passifloraceae) [PDF]
, 2014 The pollen/ovule (P/O) ratio has been used as predictor of the reproductive system of angiosperms (lowest P/O values correspond to obligate autogamous species while the highest correlate with obligate xenogamous species) but it does not keep for all the ...
Amela Garcia, Maria Teresa +2 more
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