Toxicity of Imidacloprid to the Stingless Bee Scaptotrigona postica Latreille, 1807 (Hymenoptera: Apidae)

Autor(es)

Soares, Hellen Maria ^[1] ; Oliveira Jacob, Cynthia Renata ^[1] ; Carvalho, Stephan Malfitano ^[2] ; Ferreira Nocelli, Roberta Cornelio ^[3] ; Malaspina, Osmar ^[1]

Afiliação do(s) autor(es)

^[1] Univ Estadual Paulista, UNESP Ctr Estudos Insetos Sociais, Dept Biol, BR-13506900 Rio Claro, SP - Brazil

^[2] Univ Fed Uberlandia, Inst Ciencias Agr, BR-38400902 Uberlandia, MG - Brazil

^[3] Univ Fed Sao Carlos, Ctr Ciencias Agr, Dept Ciencias Nat Matemat & Educ, BR-13600970 Araras, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Bulletin of Environmental Contamination and Toxicology; v. 94, n. 6, p. 675-680, JUN 2015.
• Citações Web of Science: 7

Resumo

The stingless bee Scaptotrigona postica is an important pollinator of native and cultivated plants in Brazil. Among the factors affecting the survival of these insects is the indiscriminate use of insecticides, including the neonicotinoid imidacloprid. This work determined the toxicity of imidacloprid as the topical median lethal dose (LD50) and the oral median lethal concentration (LC50) as tools for assessing the effects of this insecticide. The 24 and 48 h LD50 values were 25.2 and 24.5 ng of active ingredient (a.i.)/bee, respectively. The 24 and 48 h LC50 values were 42.5 and 14.3 ng a.i./mu L of diet, respectively. Ours results show the hazard of imidacloprid and the vulnerability of stingless bees to it, providing relevant toxicological data that can used in mitigation programs to ensure the conservation of this species. (AU)

• Processo FAPESP: 12/50197-2 - Ação de produtos empregados no cultivo da cana-de-açúcar sobre organismos não alvos
• Beneficiário: Carmem Silvia Fontanetti Christofoletti
• Modalidade de apoio: Auxílio à Pesquisa - Programa BIOEN - Temático