Journal
BIOCONTROL
Volume 61, Issue 1, Pages 57-67Publisher
SPRINGER
DOI: 10.1007/s10526-015-9694-z
Keywords
Conservation biological control; Floral nectar; Coccid honeydew; Habitat manipulation; Life table; Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae)
Categories
Funding
- FEDER funds via Programa Operacional Factores de Competitividade COMPETE [FCOMP-01-0124-FEDER-008685]
- national funds via FCT-Fundacao para a Ciencia e Tecnologia [PTDC/AGR-AAM/100979/2008]
- [SFRH/BD/34394/2008]
- Fundação para a Ciência e a Tecnologia [PTDC/AGR-AAM/100979/2008, SFRH/BD/34394/2008] Funding Source: FCT
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The longevity and reproduction of Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae) when fed on ten naturally occurring sugars and on an artificial diet composed by honey and pollen (1:1) were evaluated. The effect of these diets differed between sexes. However insects of both sexes lived longer when fed on fructose than on sucrose, melezitose or raffinose. None of the females oviposited when offered raffinose, galactose or mannose. Moreover, lifetime fecundity of females fed on trehalose was not different from the artificial diet. The intrinsic rate of natural increase did not differ between trehalose, maltose, melibiose, fructose, glucose and artificial diet, being significantly lower for individuals fed on melezitose and sucrose. The importance of these results for the selection of natural sugar sources that enhance C. carnea effectiveness as a biological control agent against crop pests is discussed.
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