Comprehensive investigation of ectoparasite community and abundance across life history stages of avian host

T. L. Hamstra, Alexander Badyaev

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Fitness consequences of ectoparasitism are expressed over the lifetime of their hosts in relation to variation in composition and abundance of the entire ectoparasite community and across all host life history stages. However, most empirical studies have focused on parasite species-specific effects and only during some life history stages. We conducted a systematic, year-long survey of an ectoparasite community in a wild population of house finches Carpodacus mexicanus Müller in south-western Arizona, with a specific focus on ecological and behavioral correlates of ectoparasite prevalence and abundance. We investigated five ectoparasite species: two feather mite genera - both novel for house finches - Strelkoviacarus (Analgidae) and Dermoglyphus (Dermoglyphidae), the nest mite Pellonyssus reedi (Macronyssidae), and the lice Menacanthus alaudae (Menoponidae) and Ricinus microcephalus (Ricinidae). Mite P. reedi and louse Menacanthus alaudae abundance peaked during host breeding season, especially in older birds, whereas feather mite abundance peaked during molt. Overall, breeding birds had more P. reedi than non-breeders, molting males had greater abundance of feather mites than molting females and non-molting males, and young males had more feather mites than older males. We discuss these results in relation to natural history of ectoparasites under study and suggest that ectoparasites might synchronize their life cycles to those of their hosts. Pronounced differences in relative abundance of ectoparasite species among host's life history stages have important implications for evolution of parasite-specific host defenses.

Original languageEnglish (US)
Pages (from-to)91-99
Number of pages9
JournalJournal of Zoology
Volume278
Issue number2
DOIs
StatePublished - Jun 2009

Fingerprint

ectoparasite
ectoparasites
mite
feather mites
life history
feather
Menacanthus
molting
louse
lice
Analgidae
mites
parasite
Menoponidae
Macronyssidae
Ricinus
parasites
birds
molt
wild population

Keywords

  • Birds
  • Ectoparasites
  • Host-parasite interactions
  • Life history

ASJC Scopus subject areas

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

Cite this

Comprehensive investigation of ectoparasite community and abundance across life history stages of avian host. / Hamstra, T. L.; Badyaev, Alexander.

In: Journal of Zoology, Vol. 278, No. 2, 06.2009, p. 91-99.

Research output: Contribution to journalArticle

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