Information: Dorcadion optatum, was described by Jakovlev in 1906 from the Tokmok region of northern Kyrgyzstan. Danilevsky later divided it into several subspecies that overlap each other and are found only in the northern part of Kyrgyzstan.
Body length: 13 - 24 mm
Peak activity: March - May (June)
Distribution: Kyrgyzstan, Kazakhstan
Zoogeographic region: Palearctic
Taxonomic classification:
Longhorns of the tribe Dorcadionini of Kazakhstan and Middle Asia | Toropov 2013 Longicorn beetles (Coleoptera, Cerambycoidea) of Russia and adjacent countries. | Danilevsky 2023
Remarks: Dorcadion optatum, from the nearest steppe and semidesert environs of Tokmak southwards across Chu river to Kirkizskiy ridge (north slope from the Shamsi Valley through Bytrovska environs to the Boam Narrows).
Body length: 15 - 20 mm
Distribution: Kyrgyzstan
Material examined (& observation):
Our observation period: March ~ April 
Sampling Methods: in grassy vegetation 
[= Compsodorcadion matthieseni (Suvorov, 1910)]]
[= Dorcadion (Pedestredorcadion) luctuosum Suvorov, 1913]
[= Dorcadion matthieseni Heyrovský, 1964]
[= Dorcadion luctuosus Suvorov, 1913]
Information: Subspecies, D. optatum matthieseni, has been described from Bishkek environs (Kyrgyzstan) as Compsodorcadion matthieseni by Georgyi Leonidovitsch Suvorov in 1910.
Body length: 13 - 23 mm
Adults in: March - May (June)
Remarks: The subspecies inhabits fom the border of Kirgizia (Chaldavar environs between Kara-Balta and Merke) eastwards through Bishkek environs and the Almedin Narrows to about Kant and the Yssyk-Ata Narrows; and the foothills of the Kirgizskiy ridge to the Chu river
Distribution: Kyrgyzstan
Material examined (& observation):
Our observation period: March ~ April Sampling Methods: in grassy vegetation
Information: Subspecies, D. optatum toropyginae, has been described from Ala-Archa NP environs (Kyrgyzstan) by Danilevsky in 1999. The subspecies inhabits tall meadows on both sides of the Ala-Archa Narrow.
Body length: 16 - 23 mm
Adults in: May - June
Remarks: Dorcadion
Distribution: Kyrgyzstan
Material examined (& observation):
Our observation period: June Sampling Methods: in grassy vegetation
[= Dorcadion tianshanskii vallesum Danilevsky, 1999]
Information: Subspecies, D. optatum vallesum, has been described from Kamyshanovka environs (Kyrgyzstan) as Dorcadion tianshanskii vallesum by Danilevsky in 1999. The subspecies inhabits ow hilly plain along the middle level of the river Chu, southwards from the Chu-Ili Mountains.
Body length: 13 - 23 mm
Adults in: March - May
Remarks: Dorcadion
Distribution: Kyrgyzstan, [Kazakhstan??]
Material examined (& observation):
Our observation period: March ~ April Sampling Methods: in grassy vegetation
Information: Subspecies, D. optatum kadyrbekovi, has been described from Kek-Too Mts. environs (Kyrgyzstan) by Danilevsky in 1999. The subspecies inhabits highest meadows of the Kek-Too Mt. near the Chu river between the Chong Kemin river and the Kichi-Kemin river.
Body length: 19 - 25 mm
Adults in: May - June
Distribution: Kyrgyzstan
Information: Subspecies, D. optatum terminum, has been described from Georgievka environs (Kazakhstan) by Danilevsky in 1999. Only one population of the subspecies is known. It is located in the foothills east of Georgievka, at an altitude of about 700 m, along the border between Kazakhstan and Kyrgyzstan.
Body length: 18 - 23 mm
Adults in: April - May
Distribution: Kazakhstan
Information: Subspecies, D. optatum alamedinum, has been described from was described from Kyrgyzstan from the Kyrgyz ridge from the Alamedin gorge to the south of Bishkek by Danilevsky in 2023.
Body length: 18 - 22 mm
Adults in: May - June
Distribution: Kyrgyzstan
KyrgyzstanLonghorn beetles (Cerambycidae) of the West Palaearctic region
Coleoptera Cerambycidae Dorcadion optatum matthieseni
Catalog of the Lamiines of the World
Laminae Dorcadion optatum
Titan database on world-wide Cerambycidae
Laminae Dorcadion optatum
