Details

Autor(en) / Beteiligte

• Woodcock, B. A.
• Bullock, J. M.
• Shore, R. F.
• Heard, M. S.
• Pereira, M. G.
• Redhead, J.
• Ridding, L.
• Dean, H.
• Sleep, D.
• Henrys, P.
• Peyton, J.
• Hulmes, S.
• Hulmes, L.
• Sárospataki, M.
• Saure, C.
• Edwards, M.
• Genersch, E.
• Knäbe, S.
• Pywell, R. F.

Titel

Country-specific effects of neonicotinoid pesticides on honey bees and wild bees

Ist Teil von

• Science (American Association for the Advancement of Science), 2017-06, Vol.356 (6345), p.1393-1395

Ort / Verlag

United States: American Association for the Advancement of Science

Erscheinungsjahr

2017

Quelle

American Association for the Advancement of Science

Beschreibungen/Notizen

• Neonicotinoid seed dressings have caused concern world-wide. We use large field experiments to assess the effects of neonicotinoid-treated crops on three bee species across three countries (Hungary, Germany, and the United Kingdom). Winter-sown oilseed rape was grown commercially with either seed coatings containing neonicotinoids (clothianidin or thiamethoxam) or no seed treatment (control). For honey bees, we found both negative (Hungary and United Kingdom) and positive (Germany) effects during crop flowering. In Hungary, negative effects on honey bees (associated with clothianidin) persisted over winter and resulted in smaller colonies in the following spring (24% declines). In wild bees (Bombus terrestris and Osmia bicornis), reproduction was negatively correlated with neonicotinoid residues. These findings point to neonicotinoids causing a reduced capacity of bee species to establish new populations in the year following exposure.