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Lethal and sub-lethal effects of spinosad on bumble bees (Bombus impatiens Cresson) by Lora A Morandin; Mark L Winston; Michelle T Franklin; Virginia A Abbott is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Lethal and sub-lethal effects of spinosad on bumble bees (Bombus impatiens Cresson) about?

## Abstract Recent developments of new families of pesticides and growing awareness of the importance of wild pollinators for crop pollination have stimulated interest in potential effects of novel pesticides on wild bees. Yet pesticide toxicity studies on wild bees remain rare, and few studies have included long‐term monitoring of bumble bee colonies or testing of foraging ability after pesticide exposure. Larval bees feeding on exogenous pollen and exposed to pesticides during development may result in lethal or sub‐lethal effects during the adult stage. We tested the effects of a naturally derived biopesticide, spinosad, on bumble bee (__Bombus impatiens__ Cresson) colony health, including adult mortality, brood development, weights of emerging bees and foraging efficiency of adults that underwent larval development during exposure to spinosad. We monitored colonies from an early stage, over a 10‐week period, and fed spinosad to colonies in pollen at four levels: control, 0.2, 0.8 and 8.0 mg kg^−1^, during weeks 2 through 5 of the experiment. At concentrations that bees would likely encounter in pollen in the wild (0.2–0.8 mg kg^−1^) we detected minimal negative effects to bumbl

Who reads Lethal and sub-lethal effects of spinosad on bumble bees (Bombus impatiens Cresson)?

Author

Lora A Morandin; Mark L Winston; Michelle T Franklin; Virginia A Abbott

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1526-498X)

Published

2005

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)