RT Journal Article T1 The mature larva of Gonioctena variabilis (Olivier, 1790) Coleoptera, Chrysomelidae, Chrysomelinae) and key to the larvae of the subgenus Spartoxena A1 Baselga Fraga, Andrés K1 Chrysomelidae K1 Gonioctena K1 Spartoxena K1 Gonioctena variabilis K1 Larva K1 Key AB Mature larva of Gonioctena (Spartoxena) variabilis (Olivier, 1790) is described and illustrated for the first time, based on specimens collected on Genista scorpius (L.) DC. [Fabaceae] in central Spain. A key to known larvae of the subgenus Spartoxena is provided, and the diagnostic characters are illustrated. Diagnostic characters for the identifi cation of species within the subgenus Spartoxena Motschulsky, 1860 are number of dorsal tubercles of abdominal segments, shape of tarsal claw, shape of labrum and disposition of microtrichia of epipharynx. Notes on the distribution and host plant of G. variabilis are included. PB Pensoft Publishers SN 1313-2989 YR 2010 FD 2010 LK http://hdl.handle.net/10347/22904 UL http://hdl.handle.net/10347/22904 LA eng NO Baselga A (2010) The mature larva of Gonioctena variabilis (Olivier, 1790) Coleoptera, Chrysomelidae, Chrysomelinae) and key to the larvae of the subgenus Spartoxena. ZooKeys 33: 19-27. https://doi.org/10.3897/zookeys.33.333 DS Minerva RD 1 may 2026