Xylotrechus asellus, a species of Central-Asian steppes and semideserts, has been described from Namangan environs (Uzbekistan) as Clytus asellus by Otto Thieme in 1881 [❖].

Body length:	11 - 22 mm
Life cycle:	2 and more years
Adults in:	April - July
Host plant:	monophagous in Eleagnus
Distribution:	Kyrgyzstan, Kazakhstan, Tajikistan, Turkmenistan, Uzbekistan, China (Xinjiang province)

The depicted female beetles were collected in Djamboul environs (Kazakhstan) in May 1989 and in Lepsy (Лепсі) village environs (400 m a.s.l., Alakol district, Almaty region, Kazakhstan) on June 2, 2016.

Collected by Jiří Lorenc Sr. and Karel Hodek

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[❖]
Thieme O.:
Neue Coleopteren aus Ost- und Mittel-Asien.
Berliner Entomologische Zeitschrift 25 (1): 97-102, 1881. [download ]