Aquatic insects are common in paddy fields, where frogs are abundant. Therefore, we have been investigating the anti-frog defences of aquatic insects.
I found active escape of the aquatic beetle Regimbartia attenuata (Coleoptera: Hydrophilidae) from the vents of frogs via the digestive tract.
Publication
Sugiura, S. (2025) Effects of predator species and size on prey escape success through the digestive tract. Ecology and Evolution, 15: in press.
Sugiura, S. & Hayashi, M. (2024) Defenses of whirligig beetles against native and invasive frogs. PeerJ, 12: e17214.
Okai, K. & Sugiura, S. (2023) Death feigning in adult diving beetles (Coleoptera: Dytiscidae). Journal of Asia-Pacific Entomology, 26(2):102082.
Sugiura, S. (2020) Active escape of prey from predator vent via the digestive tract. Current Biology, 30(15): R867–R868.