Elytroatra Daccordi, status novus, e descrizione di E. caroli, species nova, di Bolivia con brevi note su alcuni generi di Chrysomelinae Doryphorini neotropicali ad esso affini (Coleoptera: Chrysomelidae)
https://doi.org/10.4081/nhs.2023.689
Accepted: 8 September 2023
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Elytroatra Daccordi, status novus, and description of E. caroli, species nova, from Bolivia with brief notes on some related neotropical genera of Chrysomelinae Doryphorini (Coleoptera: Chrysomelidae). Elytroatra Daccordi 2008 is raised to genus level from its original status as subgenus of Proseicela Chevrolat 1836. The new status is proposed in consideration of the wide clypeus, almost smooth, the supra-orbital area strongly raised, with the eyes placed at its vertex so that the head appears notably transversally widened, absence of metathoracic wings, elytral shape elongate with a narrow apical angle (nearly 60°), for the presence of a wide, continuous, bulgy elytral lateral callus, narrow and elongated femora and particularly narrow and elongated tibiae. Type species of the genus is Elytrosphaera melas Jolivet 1950. Elytroatra caroli sp. n. is here described from the same biogeographic region of the Bolivian Yungas. and is the second known species of the genus. Elytroatra caroli sp. n. can be separated at first glance from its relative E. melas for its thoroughly shining black coloration, absence of two symmetrical pores at sides of pronotal disc, the shape of aedeagus with the apex narrower and elongated and shorter and less arcuate tegmen.
[Article in Italian]
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