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Only mothers feed mature offspring in European Ceratina bees

Insect Science 2021年第5期28卷 1468-1481页

作者： Michael mikat Jitka Waldhauserova tereza Frankova Katerina Cermakova Vojtech Broz Simon Zeman Marcela Dokulilova Jakub Straka Department of Zoology Faculty of ScienceCharles UniversityPragueCzech Republic Jihlava Grammar School JihlavaCzech Republic Department of Ecology Faculty of ScienceCharles UniversityPragueCzech Republic

Parental care directed to adult offspring is uncommon in *** parental care has been documented in Xylocopinae bees(Hymenoptera:Apidae).Moreover,some Ceratina bees(Xylocopinae)are known to feed mature siblings,and feeding of mature siblings is achieved by dwarf eldest daughters when mothers *** daughters are intentionally malnourished by mothers and usually originate from the first brood ***,we examined the pattern of care prov ided to young adults in three small European carpenter bees:Ceratina(Ceratina)cucurbitina,C.(Euceratina)chalybea,and C.(E.)*** of nest departures and arrivals were performed to study foraging *** detected intensive foraging behavior of mothers in all three studied ***,we did not observe regular foraging bchavior of daughters in any *** experimental removal of mothers in *** led to the emigration of young adults and did not initiate foraging activity in *** conclude that the feeding of siblings does not occur in these species unlike in the American species *** detected female-biased sex ratios in the first brood cell in *** and *** offspring in the first brood cell was smaller than other female offspring only in *** results show that a female-biased sex ratio and the small size of daughters in the first brood cell do not provide sufficient ev idence for demonstrating the existence of an altruistic daughter and also that the pattern of maternal investment is not exclusively shaped by social interactions.

关键词： foraging trip Hymenoptera maternal care provisioning sociality Xylocopinae

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