The identity of Luperus metallicus Jacoby, 1894 (Coleoptera: Chrysomelidae: Galerucinae).

Luperus metallicus Jacoby, 1894, known from the Indonesian islands Bali, Sumbawa, Adonara and Timor, is redescribed and transferred to the genus Charaea Baly, 1878. Color photos of the habitus, body details, and drawings of the genitalia are presented.

Two new species of Medvedev & Dang, 1981 (Coleoptera, Chrysomelidae, Galerucinae) from Singapore.

Two new species of Medvedev & Dang, 1981 are described from Singapore: and The specimens of both new species were collected by Charles Fuller Baker and found in the unidentified Galerucinae material deposited in the National Museum of Natural History, Smithsonian Institution, Washington, DC. is diagnosed by the black extreme elytral suture in the basal third, antennae longer than the body, the structure of the penis, and the last abdominal ventrite with two deep U-shaped incisions in females. is diagnosed by the black tibia and first two tarsomeres, and the structure of the penis.

Hesperopenna gilolo sp. nov., the easternmost record of the genus from Halmahera, Indonesia (Coleoptera: Chrysomelidae: Galerucinae).

Hesperopenna gilolo Bezdĕk, sp. nov. from Halmahera (Indonesia), characterized by black elytra and the peculiar shape of the median lobe of the aedeagus, is described.

Palpoxena hajeki sp. nov., a remarkable new species from Malaysia (Coleoptera: Chrysomelidae: Galerucinae).

Palpoxena hajeki sp. nov. from continental Malaysia, characterised by completely reddish brown body and deeply excavated anterior of male head with a pair of large twisted tufts of setae, is described and compared with the similar species.

Revision of the genus Chûjô, 1962 (Coleoptera, Chrysomelidae, Galerucinae).

Lopatin, 2009 is regarded as a junior synonym of Chûjô, 1962 . Lopatin, 2009 is transferred to the genus Chûjô and redescribed. Lopatin, 2008 and Chûjô are recognized as valid species and redescribed.