動物は天敵から身を護るために様々な防衛手段を有します。身を護る方法として、化学防衛、物理防衛、行動防衛、形態防衛、生理防衛などが知られています。主に昆虫類（鱗翅類、甲虫類、ハチ類、カメムシ類、カマキリ類など）の被食防衛行動をこれまで研究してきました。被食防衛機能を実証するための捕食者として、オサムシ類、コマユバチ類、カマキリ類、造網性クモ類、カエル類などを使用してきました。
関連する研究成果
Sugiura, S. & Hayashi, M. (2025) Mimicry between adult rove beetles and assassin bug nymphs with unequal defenses: antagonistic or mutualistic? PeerJ, 13:e19942.
Sugiura, S. & Hayashi, M. (2025) Invasive predators can alter mimetic interactions between native insects. Biological Invasions, 27: 48.
Sugiura, S. & Hayashi, M. (2024) Defenses of whirligig beetles against native and invasive frogs. PeerJ, 12: e17214. [Altmetric]
Sugiura, S. & Hayashi, M. (2023) Bombardiers and assassins: mimetic interactions between unequally defended insects. PeerJ, 11: e15380. [Altmetric]
Okai, K. & Sugiura, S. (2023) Death feigning in adult diving beetles (Coleoptera: Dytiscidae). Journal of Asia-Pacific Entomology, 26(2): 102082.
Sugiura, S. & Tsujii, M. (2022) Male wasp genitalia as an anti-predator defense. Current Biology, 32(24): R1336–R1337. [Highlighted in Science, Scientific American, New Scientist, etc.; Altmetric]
Sugiura, S. & Date, T. (2022) Bombardier beetles repel invasive bullfrogs. PeerJ, 10:e13805. [Altmetric]
Sugiura, S. (2021) Beetle bombing always deters praying mantises. PeerJ, 9: e11657. [Altmetric]
Matsubara, S. & Sugiura, S. (2021) Effects of host plant growth form on dropping behaviour in leaf beetles. Biological Journal of the Linnean Society, 132(3): 539–551.
Hayashi, M. & Sugiura, S. (2021) Active behaviour of terrestrial caterpillars on the water surface. PeerJ, 9: e11981. [Highlighted in Science, etc.; Altmetric]
Hayashi, M. & Sugiura, S. (2021) Shell-breaking predation on gastropods by Badister pictus (Coleoptera, Carabidae) with strikingly asymmetric mandibles. ZooKeys, 1044: 815-830.
Sugiura, S. (2020) Active escape of prey from predator vent via the digestive tract. Current Biology, 30(15): R867–R868. [Highlighted in Nature Index, Nature, CNN, The Guardian, Science News, etc.; Altmetric]
Sugiura, S. (2020) Predators as drivers of insect defenses. Entomological Science, 23(3): 316– 337 (invited review). [Highlighted in New York Times, etc.]
Hayashi, M & Sugiura, S. (2020) Climbing rice plants above the waterline: escape of freshwater snails from underwater predation by snail-eating specialists. Biological Journal of the Linnean Society, 130(4): 751–755. [Altmetric]
Sugiura, S., Takanashi, T., Kojima, W. & Kajiura, Z. (2020) Squeaking caterpillars: independent evolution of sonic defense in wild silkmoths. Ecology, 101(10): e03112. [Altmetric]
Sugiura, S., Sakagami, K., Harada, M. & Shimada, N. (2019) Can praying mantises escape from spider webs? Ecology, 100(11): e02799. [Altmetric]
Sugiura, S. (2018) Anti-predator defences of a bombardier beetle: is bombing essential for successful escape from frogs? PeerJ, 6:e5942. [Highlighted in New York Times, etc.; Altmetric]
Sugiura, S. & Sato, T. (2018) Successful escape of bombardier beetles from predator digestive systems. Biology Letters, 14: 20170647. [Highlighted in National Geographic, Science, Nature, etc.; Altmetric]
Sugiura, S. & Takanashi, T. (2018) Hornworm counterattacks: Defensive strikes and sound production in response to invertebrate attackers. Biological Journal of the Linnean Society, 123: 496–505. [Highlighted in Science, etc.; Altmetric]
Sugiura S (2016) Bagworm bags as portable armour against invertebrate predators. PeerJ, 4: e1686.
Kageyama, A. & Sugiura, S. (2016) Caterpillar hairs as an anti-parasitoid defence. The Science of Nature – Naturwissenschaften, 103:86. [Altmetric]
Sugiura, S. & Yamazaki, K. (2014) Caterpillar hair as a physical barrier against invertebrate predators. Behavioral Ecology, 25:975–983. [Altmetric]
Sugiura, S. & Yamazaki, K. (2006) The role of silk threads as a lifeline in caterpillars: pattern and significance of lifeline climbing behaviour. Ecological Entomology, 31 (1): 52-57. [Highlighted in American Entomologist]