Abiotic and biotic factors influencing the winter distribution of predatory insects

Matthew B. Thomas, Heidi J. Mitchell, Stephen D. Wratten

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Various environmental factors were investigated to analyse those involved in successful overwintering and possibly overwintering site selection for Tachyporus hypnorum and Demetrias atricapillus, both important coleopteran predators of cereal aphids. The results of the study indicated food supply to be important for both predator species during the winter period, although the role of biotic factors in site selection in the autumn could not be clearly demonstrated. The winter distribution of the two species could, however, be explained well in terms of abiotic factors. It is suggested that these and other similar predator species have well-defined overwintering requirements and that these can be exploited in the management of field boundary habitats.

Original languageEnglish (US)
Pages (from-to)78-84
Number of pages7
JournalOecologia
Volume89
Issue number1
DOIs
StatePublished - Jan 1 1992

Fingerprint

predatory insects
biotic factor
overwintering
predator
insect
site selection
predators
environmental factors
Tachyporus hypnorum
winter
field margin
aphid
food supply
cereal
Aphidoidea
environmental factor
autumn
habitat
habitats
distribution

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics

Cite this

Thomas, Matthew B. ; Mitchell, Heidi J. ; Wratten, Stephen D. / Abiotic and biotic factors influencing the winter distribution of predatory insects. In: Oecologia. 1992 ; Vol. 89, No. 1. pp. 78-84.
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Abiotic and biotic factors influencing the winter distribution of predatory insects. / Thomas, Matthew B.; Mitchell, Heidi J.; Wratten, Stephen D.

In: Oecologia, Vol. 89, No. 1, 01.01.1992, p. 78-84.

Research output: Contribution to journalArticle

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