Costs, benefits, and plasticity of construction of nest defensive structures in paper wasps

Sho Furuichi, Eiiti Kasuya

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Various animals build nests with defensive structures to deter predation on offspring. Construction of nest defensive structures can reduce the probability of predation but will involve various costs. Here, we examined both the costs and benefits of the construction of a nest defensive structure in a paper wasp, Polistes chinensis antennalis, and clarify whether the paper wasp changes the level of defensive structures of nests depending on predation risk. A foundress (queen) of the paper wasp starts a colony in spring and maintains her nest alone until the emergence of workers. At this stage, pupae in the nests are sometimes preyed on by conspecifics of other nests. The intruder needs to break the cocoon, which seals the entrance of the cell, to extract the pupa from the cell. Foundresses often apply nest material (pulp) to the surface of cocoons in their nests. We found that pulp on a cocoon increased the time an intruder required to break the cocoon. This result shows that the pulp structure on cocoons helps to prevent predation on pupae. On the other hand, pulp on cocoons involved costs, including time required to collect pulp and being a potential obstacle to the emergence of workers from the cocoon. Additionally, we found that the amount of pulp on cocoons was greater in nests under higher predation risk than nests under lower predation risk. These results suggest that pulp on cocoons is a nest defensive structure, and foundresses adjusted the construction of the defensive structure depending on predation risk.

Original languageEnglish
Pages (from-to)215-221
Number of pages7
JournalBehavioral Ecology and Sociobiology
Volume68
Issue number2
DOIs
Publication statusPublished - Sep 29 2013

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nest structure
Polistes
cocoon
wasp
plasticity
nest
cocoons
nests
pulp
predation risk
predation
pupa
pupae
cost
cost-benefit
Polistes chinensis
seals

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology

Cite this

Costs, benefits, and plasticity of construction of nest defensive structures in paper wasps. / Furuichi, Sho; Kasuya, Eiiti.

In: Behavioral Ecology and Sociobiology, Vol. 68, No. 2, 29.09.2013, p. 215-221.

Research output: Contribution to journalArticle

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