Rosalia coelestis, an East-Palaearctic sister of the Western taxon R. alpina, has been described from Ussuri region
(Russia) by Andrej Petrovitsch Semenov Tian-Shanskij in 1911 [▽]. Larvae of this striking beetle develop in trunks of standing dead or dying maples,
especially in Manchurian striped maple (Acer tegmentosum), species does not colonize felled or uproot trees. Life-cycle two years. Adults, which are diurnal,
are active in July and August and can be found on the host trees during warm sunny days [✧].
| Body length: | 15 - 35 mm |
| Life cycle: | 2 years |
| Adults in: | July - August |
| Host plant: | maples (Acer) spp. |
| Distribution: | Russia (Far East), North-East China, North Korea |
The depicted beetle (♂ 16 mm) was collected in Kedrovaya Pad Nature Reserve 10 km SSE of Barabash
(N43°05′56″ E131°33′29″;
Khasansky district, South of Primorsky krai, Far Eastern Federal District, Russia) on August 19, 2018.
Collected by Kirill V. Makarov
[▽]
Semenov Tian-Shanskij A.P.:
Un représentant nouveau du genre Rosalia Serv. (Coleoptera, Cerambycidae) provenant du district d'Ussuri (Sibérie or.).
Revue Russe d'Entomologie, Saint-Petersbourg 11 (1): 118-123, 1911.
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[✧]
Cherepanov A.I.:
Cerambycidae of Northern Asia, Volume 2 - Cerambycinae Part I.
Amerind Publishing, New Delhi: 304pp [pages 149-155], 1988.
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