Predation among Chrysoperla externa (Hagen, 1861) and Ceraeochrysa cubana (Hagen, 1861) (Neuroptera: Chrysopidae) larvae under laboratory conditions

被引：7
|
作者：
Souza, Brigida [1 ]
Felix Costa, Renildo Ismael [2 ]
Tanque, Ricardo Lima [1 ]
Oliveira, Patricia de Souza [1 ]
Santos, Fabiola Alves [1 ]
机构：
[1] Univ Fed Lavras, DEN, BR-37200000 Lavras, MG, Brazil
[2] CESEP, FEM, BR-37750000 Machado, MG, Brazil
来源：
CIENCIA E AGROTECNOLOGIA | 2008年 / 32卷 / 03期
关键词：
biological control; lacewings; intraguild predation;
D O I：
10.1590/S1413-70542008000300002
中图分类号：
S [农业科学];
学科分类号：
09 ;
摘要：
This work aimed to study aspects of predation among Chrysoperla externa and Ceraeochrysa cubana larvae under laboratory conditions. The survival of those predators in different larval stages was studied, maintaining the larvae grouped in proportions of 1: 1, 2:2 and 3:3 individuals. C. externa presented higher survival rates, independently of larval instar and density proportion among individuals. On the other hand, C. cubana was strongly affected by interaction with C. externa, and had its survival capacity reduced with the increase of grouping proportion and larval development. At the end of larval phase, a survival rate around 96, 90, and 95 and 56, 23 and 9% for C. externa and C. cubana in proportions of 1: 1, 2:2 and 3:3 individuals, respectively, was verified.
引用
收藏
页码：712 / 716
页数：5
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