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| Calcodes lobocanthus Pathomwattananurak & Geshev, 2024 |
Abstract
Calcodes lobocanthus sp. n. is described from Yala Province, southern Thailand. Habitus and genitalia of male and female are illustrated. Distribution of Calcodes aeratus (Hope, 1833) in Thailand is also confirmed.
Keywords: Taxonomy, Insect, Odontolabini, Stag beetle, Sundaland, Asia
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| Habitus of Calcodes lobocanthus sp. n. a–c Holotype, male; d, e paratype, female; a, d dorsal view; b, e ventral view; c lateral view |
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| Habitus of Calcodes lobocanthus sp. n. in oblique view. a Holotype, male; b paratype, female |
Calcodes lobocanthus Pathomwattananurak & Geshev, sp. n.
Differential diagnosis. This species is similar to Calcodes cupreiventris (Mollenkamp, 1900) but can be easily distinguished by following characters: 1) Male mandible longer and more curved. 2) Inner teeth on mandible of male, especially middle tooth and subapical tooth, larger and distinctly separated. 3) Head in both sexes wider; ocular canthus strongly protruding lobed, distinctly separate from preocular margin. 4) Postocular margin clearly more convex. 5) Male pronotal lateral margin straighter.
Etymology. This new species is named for its uniquely shaped ocular canthus within the genus. The species epithet is a combination of the Latin noun “lobus” (meaning lobe) and the noun “canthus”, to be used as a noun in apposition.
Wuttipon Pathomwattananurak and Georgi A. Geshev. 2024. A New Species of the Genus Calcodes Westwood, 1834 (Coleoptera: Lucanidae) from Southern Thailand. Biologia. DOI: doi.org/10.1007/s11756-024-01812-4
