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Co-occurrence of ecologically equivalent cryptic species of spider wasps

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Title: Co-occurrence of ecologically equivalent cryptic species of spider wasps
Authors: Kurushima, Hiroaki Browse this author
Yoshimura, Jin Browse this author
Kim, Jeong-Kyu Browse this author
Kim, Jong-Kuk Browse this author
Nishimoto, Yutaka Browse this author
Sayama, Katsuhiko Browse this author
Kato, Manabu Browse this author
Watanabe, Kenta Browse this author
Roff, Derek A. Browse this author
Shimizu, Akira Browse this author
Hasegawa, Eisuke Browse this author →KAKEN DB
Keywords: coexistence
competitive exclusion principle
cryptic species
reproductive isolation
sympatric species
Issue Date: 24-Aug-2016
Publisher: Royal Society Publishing
Journal Title: Royal Society Open Science
Volume: 3
Issue: 8
Start Page: 160119
Publisher DOI: 10.1098/rsos.160119
PMID: 27853590
Abstract: Many cryptic species have been discovered in various taxonomic groups based on molecular phylogenetic analyses and mating experiments. Some sympatric cryptic species share equivalent resources, which contradicts the competitive exclusion principle. Two major theories have been proposed to explain the apparent lack of competitive exclusion, i.e. niche-based coexistence and neutral model, but a conclusive explanation is lacking. Here, we report the co-occurrence of cryptic spider wasp species appearing to be ecologically equivalent. Molecular phylogenetic analyses and mating experiments revealed that three phylogenetically closely related species are found sympatrically in Japan. These species share the same resources for larval food, and two of the species have the same niche for nesting sites, indicating a lack of competitive exclusion. This evidence may suggest that ecologically equivalent species can co-occur stably if their shared resources are sufficiently abundant that they cannot be over-exploited.
Description: Electronic supplementary material is available at or via
Type: article
Appears in Collections:農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 長谷川 英祐

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