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1 July 2014 Effect of Diet Quality on Survival and Reproduction of Adult Paederus fuscipes (Coleoptera: Staphylinidae)
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Abstract

The survival and reproduction of the beetle Paederus fuscipes Curtis on diets that differed in macronutrient composition were investigated in the laboratory. The sex organs of females fed each test diet were dissected to evaluate the ovarian development over time. Adults fed on a carbohydrate-rich diet lived longer than adults fed the other diets, but this diet provided insufficient nutrients for reproduction. Females fed on a protein-rich diet had high fecundity; however, the mean longevity of reproductive adult P. fuscipes significantly was shortened by 20–30 d compared with longevity of 60–70 d for adults fed a carbohydrate-rich diet. In contrast, adults that were provided lipid-rich diet had low survival and fecundity. Overall, the development of previtellogenic follicles was significantly affected by diet regime and days since starting a particular diet. The follicle size of females given protein-rich diet increased 0.5-fold 2 wk after beginning the diet. In contrast, the development of the follicles was slow in females given the carbohydrate-rich diet and the follicles degenerated in females given the lipid-rich diet. In terms of ovarian maturation, females fed on a protein-rich diet contained mostly vitellogenic and chorionated follicles. In contrast, the ovarioles of females on the carbohydrate-rich diet were largely occupied with previtellogenic and vitellogenic follicles, whereas for a lipid-rich diet, the follicles remained at the previtellogenic stage throughout the experiment.

© 2014 Entomological Society of America
Lee-Jin Bong, Kok-Boon Neoh, Chow-Yang Lee, and Zairi Jaal "Effect of Diet Quality on Survival and Reproduction of Adult Paederus fuscipes (Coleoptera: Staphylinidae)," Journal of Medical Entomology 51(4), 752-759, (1 July 2014). https://doi.org/10.1603/ME13145
Received: 26 July 2013; Accepted: 1 February 2014; Published: 1 July 2014
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