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Job. Sahlberg: Deltocnemis, eine neue Gattung Anisotomidae. 87 Deltocnemis, eine neue Gattung aus der Käferfamilie Anisotomidae. Beschrieben von Joh. Sahlberg in Helsingfors, (Mit einem Holzschnitte.) Caput magnum. Lahrum hreve ajpice emarginatum. Mandi-hulo.e validae , porrectae , inaequales ; sinistra major, dente media valida^ dextera dente sub-apicali armatae. Palpi miaxillares articulo ultimo ovato , praecedenti multo longiore • labiales articulo tertio magno , ovato, apice truncato. Clypeus a fronte haud discretus. Äntennae clava crassa , triarticulata. Prothorax hasi marginatus. Elytra 'punctato-striata. Pedes breves, tibiis omnibüs apicem versus fortiter dilatatis, anticis extus excavatis; tarsis 5-articidatis, tenuibus, anticis in mare haud dilatatis. Genus Triarthro Märh. siniile et affine sed differt: struc-tura palporum ^ tibiis omnibus . valde dilatatis, anticis ad tarsos recipiendos excavatis, tarsis omnibus, etiam anticis in mare, angustis, filiformibus femorumqiie in mare structura valde insigni. Deltocnemis hamatus n. sp. Oblong 0-ovalis , rufo-testaceus, nitidulus , antennarum clava mandibulisque apice piceis ; capite prothoraceque subtil iter punctatis, hoc elytrorum latitudine , utrinque tenuiter marginato , angulis posticis late rotundatis ; scutello distincte punctato ; elytris minus regulariter punctato-striatis , interstitiis satis fortiter yunctatis, margine laterali parce ciliato ; pedibus validis , tarsis tenuissimis. Long. 1 Vs cm. Mas: mandibulis porrectis ; clypeo apice impresso et tenuiter marginato, basi a fronte nullo modo discreto ; trochanteribus posticis acute productis ; femoribus brevibus, valde dilatatis , extus rotundatis, intus mox pone apicem trochanterum dente valido triangulari armatis, deinde profunde, fere semicirculariter sinuatis, sinu hämo valido basin versus vergente terminato , femoribus ipsis nonnihil extortis , ut dens apicalis, seu hamus, extra et dens basalis intra tibiam jaceant. Primo intuitu Triarthro Märhelii Schmidt et ut videtur adbiic magis Tr. cedonulli Schauf. haud dissimilis , sed inter-stitiis elytrorum fortiter punctatis, tibiis omnibus apicem versus valde dilatatis, tarsis omnibus etiam anticis in mare tenuissimis mox distinguendus. — Caput magnum, deflexum, subtiliter „Wiener Entomologische Zeitung" V. Heft 3. (25. März 1886.)

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Deltocnemis, eine neue Gattung aus der Käferfamilie Anisotomidae

Johan Reinhold Sahlberg
Wiener Entomologische Zeitung 5: 87-89 (1886)

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