Oviposition site selection of Doubledaya bucculenta (Coleoptera: Erotylidae: Languriinae) in relation to wall thickness of bamboo internode

Y. Miyazaki,Wataru Toki

Published 2025 in Entomological Science

ABSTRACT

Thickness of woody tissue of host plants may affect behaviors of wood‐using insects that excavate the woody tissue during oviposition. To determine whether females of the bamboo‐using lizard beetle, Doubledaya bucculenta (Coleoptera: Erotylidae: Languriinae) choose thin‐walled areas of Pleioblastus simonii bamboo internodes to penetrate the wall for oviposition, we investigated the diameter and wall thickness at each of the relative heights (0 to 10 from basal node) within internodes and the distribution pattern of oviposition marks of D. bucculenta within each internode. Internodes of P. simonii were tapered and the wall was thinnest around the relative heights 7 and 8. Most oviposition marks were made where the wall was thinnest. Therefore, it is suggested that D. bucculenta females prefer thin‐walled areas of P. simonii internodes for oviposition.

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