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Title of Journal: J Ethol

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Abbravation: Journal of Ethology

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Springer Japan

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DOI

10.1007/978-3-319-43994-5_11

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1439-5444

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Plasticity of grooming behavior against entomopath

Authors: Masaki Okuno Kazuki Tsuji Hiroki Sato Kenji Fujisaki
Publish Date: 2011/06/15
Volume: 30, Issue: 1, Pages: 23-27
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Abstract

Social insects employ many types of defense mechanisms against parasites and pathogens because they face high risks from infections due to crowded living conditions with closely related nestmates Grooming behavior including selfgrooming and allogrooming can remove fungal spores on the cuticles of social insects and may be a behavioral defense mechanism to improve survivorship Allogrooming between nestmates has been predicted to be especially important as a defense against ectoparasites However little is known about the plasticity of grooming behavior in susceptible environments Here we show that the ant Lasius japonicus increases the frequency of allogrooming rather than selfgrooming to improve survivorship against the entomopathogenic fungus Metarhizium anisopliae We found that increasing fungal dosage and ant group size influenced the plasticity of grooming behavior Additionally the survival rate of the ants over 30 days improved with increased group size Our results suggest that social insects opt for altruistic behavior to prevent the spread of diseases This study illustrates how ants maintain colonies through grooming behavior in the presence of fungal sporesWe thank Dr Takayoshi Nishida and members of our laboratory for helpful comments and critical remarks on an early draft of the manuscript The paper was improved by the comments of Dr Kenji Matsuura This work was supported in part by the 21st century COE program for Innovative Food and Environmental Studies Pioneered by Entomomimetic Sciences from the Ministry of Education Culture Sports Science and Technology Japan

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  2. The influence of female presence and seasonality on the home range size and activity patterns of male domestic cats in Brazil’s Atlantic Forest
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  4. Non-parental infanticide in a dense population of the Black-billed Magpie ( Pica pica )
  5. Female ornamentation, parental quality, and competitive ability in the rock sparrow
  6. Timing of female sexual unreceptivity and male adjustment of copulatory behaviour under competition risk in the wolf spider Schizocosa malitiosa
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  8. Discrimination of chemical stimuli in conspecific fecal pellets by a visually adept iguanid lizard, Crotaphytus collaris
  9. Attack intensity by two species of territorial damselfish (Pomacentridae) as estimates of competitive overlap with two species of wrasse (Labridae)
  10. Seasonal and diurnal use of eight different call types by Indian peafowl ( Pavo cristatus )
  11. Do displays and badges function in establishing the social structure of male toad-headed lizards, Phrynocephalus vlangalii ?
  12. Sexual coercion does not exclude luring behavior in the climbing camel-spider Oltacola chacoensis (Arachnida, Solifugae, Ammotrechidae)
  13. Aggressive behaviour and nest-site defence during the breeding season in an island kestrel population
  14. Sexual selection in genetic colour-polymorphic species: a review of experimental studies and perspectives
  15. The mechanism underlying the regulation of work-related behaviors in the monomorphic ant, Myrmica kotokui
  16. Do wild brown lemurs reconcile? Not always
  17. Arboreal locomotor and postural behaviour of European red squirrels ( Sciurus vulgaris L.) in northern Greece
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