2008
DOI: 10.14411/eje.2008.084
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Effect of larval crowding on the life history traits of Sesamia nonagrioides (Lepidoptera: Noctuidae)

Abstract: Abstract. This study determined the effect of larval density-dependent competition for food on development and adult fitness in Sesamia nonagriodes Lef. (Lepidoptera: Noctuidae). Different numbers (5, 10, 15, 20 and 30 individuals) of larvae of the pink stalk borer were reared on a constant amount of food. Although crowding during the immature stages did not significantly increase mortality, it prolonged the larval developmental period and resulted in reduced pupal weight. Females were more adversely affected … Show more

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Cited by 36 publications
(33 citation statements)
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“…243.5), their data was based on adults from pupae collected during a population outbreak. Thus, it is very likely that larvae would have experienced feeding restriction, which could affect adult traits, including fecundity (FANTINOU et al 2008). In fact, we found a strong positive correlation between pupal weight and total fecundity (r = 0.818, p < 0.01, d.f.…”
Section: Adult Stagementioning
confidence: 73%
“…243.5), their data was based on adults from pupae collected during a population outbreak. Thus, it is very likely that larvae would have experienced feeding restriction, which could affect adult traits, including fecundity (FANTINOU et al 2008). In fact, we found a strong positive correlation between pupal weight and total fecundity (r = 0.818, p < 0.01, d.f.…”
Section: Adult Stagementioning
confidence: 73%
“…Lepidoptera accumulate reserves during larval development, and the adverse conditions in the process cause asynchrony with normal population which leads to problems with these insects' reproduction (Rodriguez andVendramim 1997, Matos et al 2006), fertility, and low performance of their offspring (Fantinou et al 2008). …”
Section: Insecticidal Activity Of Hexane Ethyl Acetate and Ethanol mentioning
confidence: 99%
“…It can lead to phase variation in larval morphology, behavior, and metabolism (Luo et al 1993c, 1995b, Applebaum and Heifetz 1999. Life history strategies, including migration and reproductive traits, sometimes vary greatly depending on larval population density (Parker and Gatehouse 1985, Luo et al 1995a, Fantinou et al 2008, Zhang et al 2008b. Adults that develop from larvae under crowded conditions tend to be migrants, whereas those developing under more isolated conditions tend to be residents (McDonald and Cole 1991).…”
mentioning
confidence: 99%