Lethal and Sublethal Toxicity of Insecticides to the Lacewing Ceraeochrysa Cubana

Neotropical Entomology
Gabriel Rodrigo RugnoP T Yamamoto

Abstract

The lethal and sublethal effects of 11 insecticides on the predator Ceraeochrysa cubana (Hagen) were assessed under laboratory conditions. First-instar larvae and adults ≤ 48 h old were sprayed with the highest insecticides doses allowed to control Diaphorina citri Kuwayama in the citrus crop. The survival and duration rates of the different development stages, sex ratio, pre-oviposition period, fecundity, and fertility of the insects were evaluated. In the larval bioassay, chlorpyrifos and malathion had lethal effect which none larvae survived. Azadirachtin, lambda-cyhalothrin + chlorantraniliprole, lambda-cyhalothrin + thiamethoxam, and thiamethoxam had lethal and sublethal effects that did not allow to estimate the life table parameters because the low number of couples formed. Esfenvalerate, imidacloprid WG and SC, phosmet, and pyriproxyfen had sublethal effects which were reflected in the net reproductive rate and in the intrinsic rate of natural increase. In bioassay using adults, none of the individuals survived in the chlorpyrifos, lambda-cyhalothrin + chlorantraniliprole, lambda-cyhalothrin + thiamethoxam, malathion, or thiamethoxam treatments, and the azadirachtin, esfenvalerate, imidacloprid WG and SC, phosmet, and p...Continue Reading

References

Jul 18, 2006·Annual Review of Entomology·Nicolas DesneuxJean-Marie Delpuech
Jul 19, 2006·Annual Review of Entomology·Geoff ZehnderEric Wyss
Oct 7, 2006·Environmental Toxicology and Chemistry·Nicolas DesneuxLaure Kaiser
Jan 16, 2013·Annual Review of Entomology·Elizabeth E Grafton-CardwellPhilip A Stansly
Sep 5, 2015·Journal of Economic Entomology·Gabriel Rodrigo RugnoPedro Takao Yamamoto

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Citations

Feb 16, 2019·Journal of Economic Entomology·Gabriel Rodrigo RugnoPedro Takao Yamamoto
Oct 23, 2020·Insects·Pamella Mingotti DiasPaulo Eduardo Teodoro
Aug 17, 2021·Neotropical Entomology·Fernanda Pereira AndradeMaira Christina Marques Fonseca

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Methods Mentioned

BETA
ELISA

Software Mentioned

SAS
multcomp

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