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Taxonomy of the Genus Pristomerus (Ichneumonidae: Cremastinae) with Descriptions of Three New Species from Korea
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- URLhttps://db.koreascholar.com/Article/Detail/288743
The genus Pristomerus Curtis, 1836 is one of among 36 genera belonging to the subfamily Cremastinae. This genus is a large genus with 100 worldwide species distributed (Yu et al., 2012). Also, from this genus have been reported 15 species in Eastern Palaearctic, eight species from China, seven species from Japan and three species from Korea. Subfamily Cremastinae is known as koinobiont endoparasitoids of solitary larval-pupa mostly Lepidoptera and Coleoptera (Fitton & Gauld 1980). Spectrum of host species of Pristomerus include various small Lepidoptera living in tunnels, leaf rolls, buds and other hidden areas (Rousse et al., 2011). Genus Pristomerus can be easily distinguished from other genera by the following characters: hind femur with ventral tooth; deep gastrocoelus on tergite II. Three species from this genus, Pristomerus chinensis Ashmead, 1906, P. erythrothoracis Uchida, 1933, and P. vulnerator (Panzer, 1799), have been reported from Korea previously. In this study we report three newly recorded species, Pristomerus rufiabdomenalis Uchida, 1928, P. parilis Kusigemati, 1984, P. kendarensis Kusigemati, 1984, and described three new species. Here we provide the descriptions and photographs of six species of genus Pristomerus, and species key.
