Reproductive Interference and Niche Partitioning in Aphidophagous Insects

The range and quality of prey species differ greatly among closely related species of predators. However, the factors responsible for this diversified niche utilization are unclear. This is because the predation and resource competition do not always prevent species coexistence. In this paper, we pr...

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Main Authors: Suzuki Noriyuki, Naoya Osawa
Format: Article
Language:English
Published: Wiley 2016-01-01
Series:Psyche: A Journal of Entomology
Online Access:http://dx.doi.org/10.1155/2016/4751280
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author Suzuki Noriyuki
Naoya Osawa
author_facet Suzuki Noriyuki
Naoya Osawa
author_sort Suzuki Noriyuki
collection DOAJ
description The range and quality of prey species differ greatly among closely related species of predators. However, the factors responsible for this diversified niche utilization are unclear. This is because the predation and resource competition do not always prevent species coexistence. In this paper, we present evidence in support of reproductive interference as a driver of niche partitioning, focusing on aphidophagous insect. Firstly, we present closely related generalist and specialist species pairs in aphidophagous lacewings to compare the reproductive interference hypothesis with two other hypotheses that have been proposed to explain niche partitioning in lacewings and sympatric speciation through host race formation and sexual selection. Secondly, we present a case study that shows how reproductive interference can drive niche partitioning in sibling ladybird species. Thirdly, we show that many ladybird genera include species inhabiting the same region but having different food and habitat preferences, raising the possibility that reproductive interference might occur in these groups. Finally, we show that intraguild predation cannot always explain the niche partitioning in aphidophagous insects including hoverflies and parasitoids. On the basis of the evidence presented, we urge that future studies investigating predator communities should take account of the role of reproductive interference.
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spelling doaj-art-784b56dd7608406ebc33aa47789bea3b2025-02-03T05:53:23ZengWileyPsyche: A Journal of Entomology0033-26151687-74382016-01-01201610.1155/2016/47512804751280Reproductive Interference and Niche Partitioning in Aphidophagous InsectsSuzuki Noriyuki0Naoya Osawa1Department of Environmental Science, Policy, and Management, University of California, Berkeley, 201 Wellman Hall, Berkeley, CA 94720, USALaboratory of Forest Ecology, Graduate School of Agriculture, Kyoto University, Kyoto, JapanThe range and quality of prey species differ greatly among closely related species of predators. However, the factors responsible for this diversified niche utilization are unclear. This is because the predation and resource competition do not always prevent species coexistence. In this paper, we present evidence in support of reproductive interference as a driver of niche partitioning, focusing on aphidophagous insect. Firstly, we present closely related generalist and specialist species pairs in aphidophagous lacewings to compare the reproductive interference hypothesis with two other hypotheses that have been proposed to explain niche partitioning in lacewings and sympatric speciation through host race formation and sexual selection. Secondly, we present a case study that shows how reproductive interference can drive niche partitioning in sibling ladybird species. Thirdly, we show that many ladybird genera include species inhabiting the same region but having different food and habitat preferences, raising the possibility that reproductive interference might occur in these groups. Finally, we show that intraguild predation cannot always explain the niche partitioning in aphidophagous insects including hoverflies and parasitoids. On the basis of the evidence presented, we urge that future studies investigating predator communities should take account of the role of reproductive interference.http://dx.doi.org/10.1155/2016/4751280
spellingShingle Suzuki Noriyuki
Naoya Osawa
Reproductive Interference and Niche Partitioning in Aphidophagous Insects
Psyche: A Journal of Entomology
title Reproductive Interference and Niche Partitioning in Aphidophagous Insects
title_full Reproductive Interference and Niche Partitioning in Aphidophagous Insects
title_fullStr Reproductive Interference and Niche Partitioning in Aphidophagous Insects
title_full_unstemmed Reproductive Interference and Niche Partitioning in Aphidophagous Insects
title_short Reproductive Interference and Niche Partitioning in Aphidophagous Insects
title_sort reproductive interference and niche partitioning in aphidophagous insects
url http://dx.doi.org/10.1155/2016/4751280
work_keys_str_mv AT suzukinoriyuki reproductiveinterferenceandnichepartitioninginaphidophagousinsects
AT naoyaosawa reproductiveinterferenceandnichepartitioninginaphidophagousinsects