2009
DOI: 10.14411/eje.2009.048
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Sociality improves larval growth in the stag beetle Figulus binodulus (Coleoptera: Lucanidae)

Abstract: Abstract. The benefits for offspring of attendant adult were investigated in the stag beetle Figulus binodulus. The initial growth rate of third-instar larva was significantly higher when the larvae were in a nest with adults compared to those in a nest without adults. The difference in growth rate is reflected in adult body size. Although the presence of adult beetle generally benefited the offspring, the adults did eat some of the larvae. Filial cannibalism was the primary cause of juvenile death in nests wi… Show more

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Cited by 14 publications
(20 citation statements)
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“…In bruchids, males respond to increased food competition by accelerating growth, emerging sooner but maintaining the same body size, whereas females reduce growth rates and emerge at the same time as females from noncompetitive conditions, but are physically smaller (Smallegange & Tregenza 2008); however, larval survival was adversely affected by increased density and competition for food resources. In contrast, sociality and the presence of adults increased growth rates and imagines size in the stag beetle Figulus inodulus (Mori & Chiba 2009). It is currently unknown where cetoniines fit into the above variation of evolutionary adaptations to food resource competition, but it is clear that among Coleoptera there exists a wide array of different evolutionary strategies.…”
Section: Discussionmentioning
confidence: 99%
“…In bruchids, males respond to increased food competition by accelerating growth, emerging sooner but maintaining the same body size, whereas females reduce growth rates and emerge at the same time as females from noncompetitive conditions, but are physically smaller (Smallegange & Tregenza 2008); however, larval survival was adversely affected by increased density and competition for food resources. In contrast, sociality and the presence of adults increased growth rates and imagines size in the stag beetle Figulus inodulus (Mori & Chiba 2009). It is currently unknown where cetoniines fit into the above variation of evolutionary adaptations to food resource competition, but it is clear that among Coleoptera there exists a wide array of different evolutionary strategies.…”
Section: Discussionmentioning
confidence: 99%
“…Limited parental care (observed in F. binodulis) may occur in this species, and significant larval mortality may be due to filial cannibalism (Mori and Chiba, 2009). …”
Section: Life Historymentioning
confidence: 98%
“…Larvae likely feed on rotting wood. Adults are probably predacious, feeding on small invertebrates similar to the related Figulus binodulus (Mori and Chiba, 2009). …”
Section: Life Historymentioning
confidence: 99%
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“…One especially intriguing form of infanticide is filial cannibalism, which involves parents not only killing, but also eating their own offspring. This phenomenon has been reported in a wide range of taxa, including arthropods (Bartlett 1987;Mori and Chiba 2009), fish (FitzGerald 1992; 2 THE QUARTERLY REVIEW OF BIOLOGY Volume 91 Manica 2002b;Lindström and St. Mary 2008), amphibians (Okada et al 2015), reptiles (Huang 2008), birds (Tortosa and Redondo 1992;Gilbert et al 2005), and mammals (Bronson and Marsteller 1985;Beery and Zucker 2012). There has been considerable effort focused on understanding why parents engage in filial cannibalism.…”
mentioning
confidence: 96%