WebNov 22, 2024 · Female bees need to develop their ovaries for oviposition, and it has been considered that the pollen nutrition would be important for ovarian development. However, few studies empirically examined... WebIn adult bees the frequency of feeding larvae or the activity of the hypopharyngeal gland are not related to ovarian activity. The ovaries of bees that have no access to pollen do not …
Neonicotinoid insecticides negatively affect ovary development in ...
WebAug 1, 2024 · Fertility signals in bumblebee workers might be expected if they were produced as an unavoidable by-product of their reproductive physiology, which could occur, for example, if ovary activation and the production of fertility-linked odours were under identical hormonal control (Oliveira et al., 2024). WebErica Sarro Gustilo, PhD. 38 Mather Drive. West Glacier, MT 59936. United States. I investigate factors impacting pollinator health at landscape, local, and organismal scales. My background is primarily in bumble bee biology and behavior, and I am particularly interested in the life-stage-specific mechanisms contributing to bumble bee declines. how many people in croatia
Ecdysteroid titer, ovary status, and dominance in adult worker and ...
WebFeb 20, 2024 · However, the two non-honeybee species studied showed no association between specialization and ovary activation. Here we investigate the bumblebee B. impatiens because it has the most extensively studied pollen/nectar specialization of any bumblebee. We show that ovary size does not differ between pollen specialist, nectar … WebJan 1, 2007 · Isolated bumblebee workers, Bombus impatiens Cresson 1863, developed their ovaries to produce laying-sized eggs in 11 days, but did so 5 days faster in … WebSep 29, 2024 · Unlike honeybees, bumblebees are a diverse group [> 250 species (Goulson 2003 )], enabling large-scale comparative research. Bumblebees are also particularly … how many people in corpus christi