O ovo, a larva de quinto instar e pupa de Charidotis gemellata são descritos e ilustrados. O material examinado foi coletado no Campus do Centro Politécnico (UFPR), Curitiba/PR, Brasil; onde foram encontrados adultos de Charidotis gemellata Boheman sobre folhas de Pithecoctenium crucigerum Gentry L. (Bignoniaceae). Este é o primeiro registro de planta hospedeira para C. gemellata e também o primeiro registro para o estado do Paraná.

The egg, fifth instar larva and pupa of Charidotis gemellata are described and illustrated. The examined material was collected in Centro Politécnico Campus of the Universidade Federal do Paraná in Curitiba/PR, Brazil, where adults of Charidotis gemellata were found on the leaves of Pithecoctenium crucigerum Gentry L. (Bignoniaceae). This is the first record of a host plant for C. gemellata and also the first record for the Paraná state (Brazil).

Plagiometriona (Plagiometriona) dijfusa sp.novo from Conceição da Barra, Espirito Santo State, Brazil, is described.

Charidotis terenosensis sp. n., a new species from Terenos, Mato Grosso do Sul, Brazil, is described.

Chelymorpha rosarioensis a new species from Rosário Oeste, Mato Grosso, Brazil, is described.

Charidotis trifasciata sp.n. from Córdoba, Argentina, is described.

Euctenochira frieirocostai a new species from Japi Mountain, Jundiaí, São Paulo, Brazil, is described.

A new species of Cyrtonota is described, from Cuiabá, Mato Grosso, Brasil. Its relationships with other species are discussed.

Eggs, fifth instar larvae and pupae of A. dubia (Boheman, 1854), A. fuscata (Klug, 1829), A. languida (Boheman, 1854), A. phaeopoda Buzzi, 1976 and A. punctulata (Klug, 1829) are described. Imatures stages were reared in a stove Biometron under temperature of 25±2ºC, photophase of 12 hours and relative humidity of 80±5%. The larvae of A. dubia and A. languida were fed with leaves of Baccharis relusa DC; A. fuscata with leaves of Baccharidastrum argutum (Less) Cabrera; A. phaeopoda with leaves of Baccharis gaudichaudiana DC. and larvae of A. punctulata with leaves of Baccharis trimera (Less) A. DC.. All plants belonging to the Asteraceae. Two forms of A. fuscata were studied: A. fuscata (Klug, 1829) and A. fuscata form=unicolor (Burmeister, 1870) n.syn. and no significant differences were found.

Gratiana boliviana Spaeth, 1926 is redescribed, compared with G. conformis (Boheman, 1854), G. graminea (Klug, 1829), G. insculpta (Boheman, 1855), G. inurbana Weise, 1921, G. lutescens (Boheman, 1854), G. pallidula (Boheman, 1854) and G. spadicea (Klug, 1829). The host plant of G. boliviana is Solanum viarum Dun (Solanaceae).

Adult, larva and pupa of Calyplocephala paralutea, a new species of Cassidinae, Spilophorini (Coleoptera, Chrysomelidae), from Porto Platon, Amapá, Brazil, is described.

Plagiometriona (Parametriona) palmeirensis sp.n. is described.