Physopelta Amyot & Serville, 1843

Stehlík, Jaroslav L., 2013, Review and reclassification of the Old World genus Physopelta (Hemiptera: Heteroptera: Largidae), Acta Entomologica Musei Nationalis Pragae 53 (2), pp. 505-584 : 512

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Physopelta Amyot & Serville, 1843


Subgenus Physopelta Amyot & Serville, 1843

Diagnosis. Body large (15.7–21.0 mm) and wide (5.1–7.0 mm). Labium reaching between metacoxae. Antennomere 1 long in both sexes, invariably longer than antennomere 2, as long as or sometimes even longer than pronotum. Sexual dimorphism well expressed, callar lobe strongly gibbose in males ( Fig. 13 View Figs 13–16.13–15 ), weakly gibbose in females ( Fig. 14 View Figs 13–16.13–15 ). Profemora in males strongly incrassate, ventral surface with longitudinal furrow in its entire length bordered with a number of spines on both sides ( Fig. 5 View Figs 1–5 ). In females profemora distinctly more slender, with fewer spines. Protibia ventrally with a strong anteapical tooth and a row of small denticles along its entire length in males ( Figs 5 View Figs 1–5 , 15 View Figs 13–16.13–15 ), unarmed in females. Mesofemora of males ventrally with a row of small denticles, these missing in females. Allometry of males exists: the sexually dimorphic characters are much more expressed in some males than in others. Stridulatory organs in form of a large tooth (strigil) on protrochanter, matching a depression on ventral surface of procoxa (plectrum) ( Figs 1−2 View Figs 1–5 ). Peritreme of metathoracic scent glands horizontal, more or less scimitar-shaped with rounded apex, from ostiole directed laterad to slightly posterolaterad ( Figs 3−4 View Figs 1–5 ). Paramere with apex longer and narrower, outer margin basally angulately produced ( Figs 8−12 View Figs 6–12 ).

Included species. There are three species placed in Physopelta s. str., all of them distributed in the Oriental Region. I am not aware of any undescribed species.