The immature stages of Eurypedus nigrosignatus (Boheman, 1854) and the first instar larva of Asteriza sp., members of the tribe Ischyrosonychini Chapuis, 1875, are described for the first time and compared with other Ischyrosonychini. Similarities in the larval morphologies of Cistudinella Champion, 1894, Eurypedus Gistel, 1834, Asteriza Chevrolat, 1836 and Physonota Boheman, 1854 suggest they have a close phylogenetic relationship and should be placed in a single tribe.
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Vol. 68 • No. 2