PeerJ Author & Reviewer 285 Points Contributions by role Author 270 Reviewer 15 Contributions by subject area Animal Behavior Ecology Entomology Evolutionary Studies Zoology Biodiversity Conservation Biology Masakazu Hayashi PeerJ Author & Reviewer Summary Animal Behavior Biodiversity Biogeography Ecology Entomology Freshwater Biology Taxonomy Zoology PeerJ Contributions Articles 4 September 9, 2025 Mimicry between adult rove beetles and assassin bug nymphs with unequal defenses: antagonistic or mutualistic? Shinji Sugiura, Masakazu Hayashi https://doi.org/10.7717/peerj.19942 PubMed 40949732 April 16, 2024 Defenses of whirligig beetles against native and invasive frogs Shinji Sugiura, Masakazu Hayashi https://doi.org/10.7717/peerj.17214 PubMed 38646489 June 6, 2023 Bombardiers and assassins: mimetic interactions between unequally defended insects Shinji Sugiura, Masakazu Hayashi https://doi.org/10.7717/peerj.15380 PubMed 37304866 September 13, 2021 Active behaviour of terrestrial caterpillars on the water surface Masakazu Hayashi, Shinji Sugiura https://doi.org/10.7717/peerj.11971 PubMed 34603846