Dorcadion tianshanskii radkevitshi Suvorov, 1910 *,

Karpinski, Lech, Szczepanski, Wojciech T., lewa, Radoslaw, Walczak, Marcin, Hilszczanski, Jacek, Kruszelnicki, Lech, Los, Krzysztof, Jaworski, Tomasz, Marek Bidas, & Tarwacki, Grzegorz, 2018, New data on the distribution, biology and ecology of the longhorn beetles from the area of South and East Kazakhstan (Coleoptera, Cerambycidae), ZooKeys 805, pp. 59-126: 93

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Dorcadion tianshanskii radkevitshi Suvorov, 1910 *


Dorcadion tianshanskii radkevitshi Suvorov, 1910 *  Figs 7I, J, 14C

Material examined.

Zhambyl Region: 5 km W of Kenen [ Кенен] (43°25'N, 74°58'E), 928 m a.s.l., 4 VI 2017, 9♂♂, 3♀♀ (5♂♂ - body remains), leg. LK; 3♂♂, 2♀♀, leg. WTS; 18♂♂, 11♀♀ (3♂♂, 2♀♀ - body remains), leg. MW; 1♂ (dead specimen), 1♀, leg. MB.


Dorcadion tianshanskii  is a species that is endemic to Kazakhstan ( Danilevsky 2018a). It includes eight subspecies, which are distributed in the area to the north of the Chu River, mainly in the environs of Kenen ( Danilevsky 2012, Toropov and Milko 2013). The biology of this taxon is poorly known. According to Toropov and Milko (2013), it inhabits various habitats depending on the subspecies. The larvae feed on the roots of various grass species. The imagines are active from the end of April to the end of May.

The individuals of D. t. radkevitshi  were collected during relatively cold (approx. 20 °C) and cloudy weather in a grassland habitat (Fig. 14D). Despite the rather late period for the species, a few copulating pairs as well as some males, which were actively moving between tufts of grass, were still found. The females (Fig. 14C) were found in rather better condition. Nevertheless, many specimens were already dead. The individuals that were still alive occurred more frequently in a shallow depression near a small stream, usually no further than 1.5 m from the stream.