Rosalia coelestis Semenov, 1911
[= Rosalia houlberti Vuillet, 1911]

Rosalia coelestis
[Photo © Kirill V. Makarov,]

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. [download pdf icon]

Cherepanov A.I.:
Cerambycidae of Northern Asia, Volume 2 - Cerambycinae Part I.
Amerind Publishing, New Delhi: 304pp [pages 149-155], 1988. [download pdf icon]

SubfamiliaCerambycinae Latreille, 1802
TribusCompsocerini Thomson, 1864
GenusRosalia Audinet-Serville, 1833
SpeciesRosalia coelestis Semenov, 1911