First report of an intersex individual of the click beetle Pectocera fortunei (Elateridae) and additional cases of gynandromorphism in Coleoptera (Lucanidae, Scarabaeidae)

초록

Background The occurrence of individuals exhibiting both male and female phenotypes is a rare phenomenon observed across various insect orders. New information This study documents the first case of an intersex individual of Pectocera fortunei Cand & egrave;ze, 1873, from the Korean Peninsula, including behavioural findings. This is the first report of such a phenomenon in the family Elateridae. Two cases of gynandromorphism are also described: one in Dorcus titanus castanicolor(Motschul sky, 1861) (Lucanidae) and the other in Trypoxylus dichotomus septentrionalis (K & ocirc;no, 1931) (Scarabaeidae). The former is a new record for this subspecies. An updated list of intersex and gynandromorphic beetles is also provided.

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