Abundance of natural enemies of wheat aphids at different distances from the edge of the forest

作者：Bortolotto Orcial Ceolin^*; Menezes Ayres de Oliveira Jr^*; Hoshino Adriano Thibes^*

来源：Pesquisa Agropecuaria Brasileira, 2016, 51(2): 187-191.

DOI：10.1590/S0100-204X2016000200011

• Lysiphlebus testaceipes
• Triticum aestivum
• biological control
• wheat pests
• environmental conservation

The objective of this work was to assess the abundance of natural enemies of wheat (Triticum aestivum) aphids at different distances from the edge of the forest (2.0 to 200 m), in the municipalities of Londrina and Ibipora, in the state of Parana, Brazil, in the 2008 crop season. A total of 11,316 aphids, 682 mummies, 487 parasitoids, and 20,366 predators were quantified. The effect of the distance from the edge of the forest on aphids and parasitoids was not consistent. Among predators, the Dolichopodidae family was the most abundant (87.74 and 98.55% in Ibipora and Londrina, respectively) and showed a higher population near the edge of the forest, indicating that this refuge area favors that predator.

• 出版日期2016-2