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Cerambycidae of the World

Subgenus Kostiniclytus Danilevsky, 2009

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Xylotrechus (Kostiniclytus) zaisanicus Plavilstshikov, 1940
Xylotrechus (Kostiniclytus) zaisanicus Plavilstshikov, 1940 Holotype
Male imago
Image from: Danilevsky M.L., 2009. Xylotrechus (Kostiniclytus subgen. n.) medvedevi sp. n. (Coleoptera, Cerambycidae) from Mongolia. Spec. Bull. Jpn. Soc. Coleopterol., Tokyo, (7): 211219, May 25, 2009. Author: (c) - Danilevsky M.L. 2009.
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Xylotrechus (Kostiniclytus) medvedevi Danilevsky, 2009
Xylotrechus (Kostiniclytus) medvedevi Danilevsky, 2009 Holotype
Male imago
Image from: Danilevsky M.L., 2009. Xylotrechus (Kostiniclytus subgen. n.) medvedevi sp. n. (Coleoptera, Cerambycidae) from Mongolia. Spec. Bull. Jpn. Soc. Coleopterol., Tokyo, (7): 211-219, May 25, 2009. Author: (c) - Danilevsky M.L. 2009.
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Xylotrechus (Kostiniclytus) arnoldii Kostin,1974
Xylotrechus (Kostiniclytus) arnoldii Kostin,1974 Holotype
Male imago
Image from: Danilevsky M.L., 2009. Xylotrechus (Kostiniclytus subgen. n.) medvedevi sp. n. (Coleoptera, Cerambycidae) from Mongolia. Spec. Bull. Jpn. Soc. Coleopterol., Tokyo, (7): 211219, May 25, 2009. Author: (c) - Danilevsky M.L. 2009.
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Xylotrechus (Kostiniclytus) alakolensis Karpiński & Szczepański, 2018
Xylotrechus (Kostiniclytus) alakolensis Karpiński & Szczepański, 2018 Holotype
Male imago
KAZAKHSTAN, East Kazakhstan Region [Шығыс Қазақстан облысы]: 15 km NW of Taskesken [Таскескен] (47°18'N, 80°36'E), 15.06.2017, 627 m.a.s.l.
Copyright © Lech Karpinski
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Description
[Désignation orig.] Xylotrechus (s. str.) zaisanicus Plavilstshikov, 1940

Type species: Xylotrechus (Xylotrechus) zaisanicus PA6K>AHIH=>@DK, 1940
Body small, not exceeding 13 mm in male, pale-brown to brown; prothorax darker,
with more or less dense white pubescence; frons short, more or less transverse, with
usually distinct “V”-shaped frontal carinae which can occasionally be reduced; eyes
relatively small, distance between ventral eye lobes never shorter than the length
between antennal insertions; prothorax in male very large, rounded laterally, with
Spec. Bull. Jpn. Soc. Coleopterol., Tokyo, (7): 211219, May 25, 2009
convex pronotum; pronotum in male with small irregular punctation and a pair of
central depressions, never roughly sculptured; elytra in male strongly tapering posteriorly,
relatively short, without distinct pattern, white central transverse stripe and white
oblique posterior stripe (if present) hardly discernible, often totally indistinct. Marked
sexual dimorphism is believed to occur in all species. It is known to occur in several
rather distant populations of X. zaisanicus that have black-brown female, parallel-sided
elytra and regular pronotal punctation. Females of other species were not available.
New subgenus Kostiniclytus subgen. n. of the genus Xylotrechus can be separated
from the nominotypical subgenus, as well as four other subgenera: Xyloclytus R:>II:G,
1913, Rusticoclytus V>K:H, 1977, Turanoclytus S6B6, 1994 and Ootora N>>H6ID et
W6@:?>B6, 2008 by the aforementioned characteristics.
Range (Fig. 9). This new subgenus occurs in deserts regions of Central Asia from
Kazakhstan to Mongolia.
Biology. All species are found in desert landscapes. Their development is quite
exceptional for the genus; beetles develop in roots of Chenopodiacea.
Note. The subgenus Xylotrechus (s. str.) is most likely not a natural taxon and
should be divided in several new subgenera.


Description from: Danilevsky M.L., 2009. Xylotrechus (Kostiniclytus subgen. n.) medvedevi sp. n.
(Coleoptera, Cerambycidae) from Mongolia. Spec. Bull. Jpn. Soc. Coleopterol., Tokyo, (7): 211219, May 25, 2009
Biotope
Genotype
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