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Image of Geocharidius jalapensis Sokolov & Kavanaugh 2014
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Geocharidius jalapensis Sokolov & Kavanaugh 2014

Description

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Size. Medium to large for genus (SBL range 1.33–1.57 mm, mean 1.46±0.081mm, n=25). Habitus. Body form (Fig. 12D) moderately convex, elongate ovoid, general proportions (WE/SBL 0.39±0.007), proportions of head (WH/WPm 0.71±0.019) and pronotum (WPm/WE 0.76±0.021) average for group. Color. Body brunneorufous, appendages testaceous. Microsculpture. Mesh pattern of irregularly isodiametric sculpticells present over all dorsal surfaces of head, pronotum and elytra. Proepisternum with evident microsculpture. Mouthparts. Mandibles (Figs 4C–D, G–H). Prothorax. Pronotum markedly transverse (WPm/LP 1.30±0.026), with lateral margins moderately constricted posteriorly (WPm/WPp 1.33±0.029). Posterior angles obtuse (110–120°). Widths between anterior and posterior angles of equal length (WPa/WPp 0.99±0.023). Pterothorax (Fig. 3D). Elytra (Fig. 2B). Moderately convex, slightly depressed along suture, moderately wide (WE/LE 0.65±0.009), without traces of striae. Humeri rounded, in outline forming right angle with longitudinal axis of body. Lateral margins convex, evenly divergent at basal third, evenly rounded to apex in apical third. Legs. Mesotibia (Fig. 7A). Protarsus (Fig. 6A–B). Abdomen. Ventrites 3-5 (Fig. 3H–I). Male genitalia. Median lobe (Fig. 13K) with shaft long and apex slightly enlarged and rounded. Ventral margin almost straight. Dorsal sclerites of internal sac in form of a long fig, tapered apically and basally in short extensions (Fig. 13K–L). Right paramere with short and rather wide apical constriction (Fig. 13N). Left paramere with long and narrow apical constriction (Fig. 13M). Ring sclerite with almost rectangularly rounded, slightly asymmetrical, handle (Fig. 16D). Female internal genitalia. Spermatheca sclerotized, fusiform with apical bulb enlargement, straight, with long cornu and short nodulus (Fig. 17D). Length of spermathecal gland greater than length of spermatheca. Spermathecal duct coiled.
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Igor M. Sokolov, David H. Kavanaugh
bibliographic citation
Sokolov I, Kavanaugh D (2014) The integripennis species group of Geocharidius Jeannel, 1963 (Carabidae, Bembidiini, Anillina) from Nuclear Central America: a taxonomic review with notes about biogeography and speciation ZooKeys (443): 61–118
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Igor M. Sokolov
author
David H. Kavanaugh
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