Earwig mothers consume the feces of their juveniles during family life
作者机构：Institut de Recherche sur la Biologie de l'InsecteUMR 7261CNRSUniversity of ToursToursFrance
出 版 物：《Insect Science》 (昆虫科学（英文版）)
年 卷 期：2022年第29卷第2期
页 面：595-602页
核心收录：
学科分类：0710[理学-生物学] 07[理学] 09[农学]
主 题：cooperation coprophagy dermaptera family life parental care
摘 要：Many animals consume the feces of their *** allo-coprophagy can have benefits,such as access to nutrients and symbionts,but also risks for consumers,mainly due to direct contact with pathogens that develop on *** the European earwig Forficula auricularia,mothers and juveniles live in nests lined with their *** surprising habit allows juveniles to consume the feces of their siblings during family life and provides them with nutritional benefits when mothers provide low ***,it was unclear whether earwig mothers also practice allo-coprophagy,and whether this behavior is motivated by their nutritional ***,we set up four types of experimental families in which we manipulated the nutritional needs of mothers and/or juveniles and measured the effects on the production of feces by the juveniles,and the consumption of these feces by the *** results first show that fed juveniles produced more feces pellet in presence of fed compared to food-deprived *** also found that,overall,about 50%of the mothers consumed juveniles *** consumption was both more likely and larger when the feces were produced by fed compared to food-deprived juveniles,while the proportion of feces pellets eaten was larger in food-deprived compared to fed ***,our results reveal that allo-coprophagy involves every family member and suggest that it can have both nutritional and non-nutritional benefits for earwig ***-coprophagy could thus favor the maintenance of mothers in the nest and,more generally,promote the early evolution of family life.
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