Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 77. (Budapest 1985)

Marcuzzi, G.: New taxa of Neotropical Tenebrionidae (Coleoptera)

ANNALES HISTORICO-NATURALES MUSEI NATIONALIS HUNGARICI Tomus 77. Budapest, 1985 p. 179-186. New taxa of Neotropical Tenebrionidae (Coleoptera) by G. MARCUZZI, Padova Abstract

—Some new genera and species of Neotropical tenebrionids are described, namely Bielawskia gen. n. (from Cuba), Garridoa gen. n. (from Cuba), Trientoma kaszabi sp. n. (from Cuba), Diastolinus bielawskii sp. n. (from Cuba), Blapstinus kaszabi sp. n. (Mexico ?), Cochabambia gen. n. (from Bolivia) and Alegoria boliviensis sp. n. (from Bolivia). With 17 figures. Bielawskia gen. n. Mentum hexagonal, with an abruptly raised apex; forehead with clypeus prolonged and not clasped by mandibles. Metasternum with two ante-coxal transverse grooves. Antennae normal, neither compressed outwardly as in Auchmobiini, nor filiform as in Trimytini. Scutellum present though small; under surface of tarsi furnished with numerous long, stiff setae (brushlike). Bielawskia cubana sp. n. (Figs 1-2) Black, shining, ovoidal in shape, rather shortened behind. Palpi and antennae red-ferrugineous, legs dark red-ferrugineous, the last two articles of antennae somewhat lighter. Antennae with a golden recumbent pubescence.

—He a d anteriorly clearly trilobous due to the present of an oval, prominent clypeus and two genae regularly bent up to the eyes (Fig. 2). Latter large or medium sized, not divided by a prominent canthus of the frontal margin (as in Melanastus). Beneath clypeus mandibles united, so as to completely conceal labrum. No traces of a clypeofrontal suture. All upper surface of head furnished with a punctation rather scarce and not strong, with exception of genae, where punctures stronger. Interspaces extremely finely striolate (X40) so that the surface rather opaque. Diamètre of a point 45 u., distance between two contiguous points in cephalo-caudal sense 9 u., in perlateral sense 35 u.. The punctures a little ovoidal.

—

A n t e n n a e short and thick, slightly dilated towards apex where X article much wider than XI. II-V articles as long as wide, from VI onwards more and more transverse, X article nearly twice as wide as long.

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P r o n o t u m (Fig. 1) transverse, with an apex scarcely narrower than basis, sides scarcely bent, widest a little behind middle; towards hind angles sides practically straight. Apex almost straight, scarcely sinuate towards anterior angles, basis slightly arcuate in middle and scarcely sinuate towards hind angles. Former ones obtuse, the latter rectangular but not pointed. Punctation dense and relatively regular, interspaces scarcely visible (X40) so that surface not shining.

—Elytrae convex, basad wider than pronotum, ovoidal, in anterior half with almost parallel sides, then slightly bent towards apex. Striae evidently furnished with a strong punctation, punctures well separated, towards sides elytrae gradually more convex so as to assume a rib-like shape. Punctation of interstriae extremely fine and scarce, scutellum very small, triangular.—

L e g s short, tibiae regularly dilated towards apex. Gula with large and closely placed punctures, prosternum at sides with rather scarce and mid-size punctures, towards middle with punctures stronger and nearer extending also on intercoxal process. The latter regularly declivous towards basis.

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M esosternum short, with a punctation similar to that of prosternum ; metasternum much shorter than I urosternum, with scarce punctures and very shining interspaces, similar to those of the abdominal intercoxal process, at sides smaller and scarcer. I urosternum (apparent) with a coarse and sparse punctation, remaining ones very shining with a very fine and sparse punctation, only on pygidium a little stronger.

—Length 9 mm. Locus classicus: Cuba, Prov. Oriente, Sierra Maestra, Ocujal del Turquino, 8-9 II

1967, leg. R. BIELAWSKY

et A. RIEDEL.

—Holotype in the Inst. Zool. P.A.N., Warszawa (Poland); 1 paratype in the personal collection of the author; 3 paratypes: Cuba, Prov. Oriente-Mar, Verde ad Santiago de Cuba, 6. II. 1967, leg. R. Bielawski et A. Riedel, in the Inst. Zool. P.

A.N., Warszawa and Hungarian Natural History Museum, Budapest.