Cleroclytus (Obliqueclytus) gracilis Jakovlev, 1900
[= Cleroclytus baeckmanni Okunev, 1933]
[= Cleroclytus grandiculus Plavilstshikov, 1940]

Subfamilia: CERAMBYCINAE  /  Tribus: TILLOMORPHINI
Cleroclytus gracilis
[Photo © David Navrátil, click on the picture for 4K resolution]

Cleroclytus gracilis, a Central-Asian taxon of interesting tribe Tillomorphini, has been described from Zarafshan Range (Tajikistan) as by Bassili Evgrafovitch Jakovlev in 1900 [▽]. C. gracilis was included by Maxim Lazarev in the subgenus Obiqueclitus established by him in 2014 [❖]. The species is polyphagous and its larvae feed subcortically on recently dead twigs or branches of various decidouos trees and shrubs. Larva overwinters and then it pupates in the wood in the following spring, sometimes the adults overwinters. The adults, active from April to June, are diurnal and anthophilous.

Body length:♂♂ 5–11 mm / ♀♀ 7–12 mm
Life cycle:1–2 years
Adults in:April – June
Host plant: polyphagous in deciduous trees and shrubs
Distribution:Tajikistan, Uzbekistan


Depicted beetles were collected in Hisar State Reserve (N38°52.442′ E67°18.388′; 1653 m a.s.l., Hisar Range, Kashkadarya region, Uzbekistan) on May 11–13, 2019. A new species for Uzbekistan.

Collected by Walter Grosser


[▽]
Jakovlev B.E.:
Révision des Cleroclytus (Kraatz) (Coleoptera, Cerambycidae)..
Horae Societatis Entomologicae Rossicae, St. Petersbourg 34 (3-4): 656-665, 1900. [download pdf icon]

[❖]
Lazarev M.A.:
Taxonomy notes (Coleoptera, Cerambycidae).
Humanity space International almanac 3 (2): 272-285, 2014. [download pdf icon]

[✧]
Kadyrov A.K., Karpiński L., Szczepański W.T., Taszakowski A. and Walczak M.:
New data on distribution, biology, and ecology of longhorn beetles from the area of west Tajikistan (Coleoptera, Cerambycidae).
ZooKeys 606: 41-64, 2016. [download pdf icon]

Danilevsky M.L.:
Review of the genus Cleroclytus Kraatz, 1884 (Coleoptera, Cerambycidae).
Russian Entomological Journal 10 (2): 153-157, 2001. [download pdf icon]



 
SubfamiliaCerambycinae Latreille, 1802
TribusTillomorphini Lacordaire, 1869
GenusCleroclytus Kraatz, 1884
SubgenusObliqueclytus Lazarev, 2014
SpeciesCleroclytus (Obliqueclytus) gracilis Jakovlev, 1900