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An plate illustrating five brown to black tenebrionid beetles (in the genera Salax, Edrotes, Triorophus, and Calyptopsis), with line drawings of head, palp, and antennal details

An plate illustrating five brown to black tenebrionid beetles (in the genera Salax, Edrotes, Triorophus, and Calyptopsis), with line drawings of head, palp, and antennal details

A green paper cover with text reading "SUITES A BUFFON, PLANCHES, 5 Livraison, INSECTES, COLÉOPTÈRES. PARIS, A LA LIBRAIRIE ENCYCLOPÉDIQUE DE RORET. Rue Hautefeuille, N°12"

A green paper cover with text reading "SUITES A BUFFON, PLANCHES, 5 Livraison, INSECTES, COLÉOPTÈRES. PARIS, A LA LIBRAIRIE ENCYCLOPÉDIQUE DE RORET. Rue Hautefeuille, N°12"

For this late night #TenebTuesday here's a hand-colored plate of #tenebrionids from Lacordaire's monumental Genera des Coléoptères—this collection of twelve plates and text explanations was still in their original paper wrappers!

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Two small beetle specimens glued to a T-shaped "point"

Two small beetle specimens glued to a T-shaped "point"

It's #TenebTuesday! The tiny #tenebrionids on this intriguing two for one "point" are Soemias minuta Champion, 1884 (Pimeliinae: Edrotini), from Tabasco, Mexico #Coleoptera #Tenebrionidae

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And for the first #TenebTuesday of 2025—another angle of Ammodonus granosus—this genus can be separated from other North American #tenebrionids by their indented clypeus, divided eyes, and body densely covered in scale-like setae! #Coleoptera

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