publication . Article . 1992

Differential Diet Breadths and Species Coexistence in Leafroller-Hunting Eumenid Wasps

Itino, Takao;
Open Access English
  • Published: 01 Jun 1992 Journal: Researches on Population Ecology, volume 34, issue 1, pages 203-211
  • Publisher: the Society of Population Ecology
Abstract
There are, at least, three possible ways in which similar species coexist; resource partitioning, interference competition, and exploitation competition. Here, I investigated which way contributed to the coexistence of leafroller-hunting eumenid wasp species. Resource partitioning and, in addition, differential diet breadths proved to promote species coexistence in this case. First, I analyze the prey records and diet overlap of four eumenid species in a local area. The larger two eumenids hunted similar-sized prey items and had similar potential taxonomic prey uses. But the diet breadth of the subsocial eumenid was much wider than that of the solitary one. As a...
Subjects
free text keywords: COEXISTENCE; DIET BREADTH, RESOURCE PARTITIONING, EUMENIDAE, PREY RECORDS, SOCIALITY
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Article . 1992
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