Abstract
A new species of Pygidicranidae (Dermaptera: Protodermaptera), Stonychopygia laticoncava sp. nov., is described based on specimens of a female and a male from mid-Cretaceous Kachin amber of northern Myanmar. The new species belongs to the genus Stonychopygia Engel and Huang in Engel et al., 2017 as evidenced by the following characters: femora not compressed, without keel or carina; spinous pygidium; elongate and simple forceps; female gonapophyses extending beyond the subgenital plate. The new male specimen is the second recorded male earwig in Kachin amber with exposed male genitalia. The diagnosis of Stonychopygia is emended to include characters of the exposed male genitalia and female gonapophyses. The new species provides additional information on the distinctiveness of Stonychopygiinae and its potential affinities with the Echinosomatinae.
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