Tetropium fuscum

Tetropium fuscum (Fabricius, 1787)
ssp. fuscum (Fabricius, 1787)
[= Callidium arvense Panzer, 1789]
[= Isarthron fuscum (Fabricius, 1787)]
[= Criomorphus fuscus (Fabricius, 1787)]

Subfamilia: SPONDYLIDINAE / Tribus: TETROPIINI

[Photo © Kirill V. Makarov]

Tetropium fuscum is a relatively rare European Tetropium species developing in coniferous trees (Picea, Pinus). T. fuscum larvae develop in the inner side of bark of recenly dead, or weakened, rarely still living coniferous trees, Norway spruce (Picea abies) is the most prefered host. Pupation takes place in spring, usually in wood, rarely in the inner side of thick bark. The life cycle lasts one or two years. Adults, active from May to July, are crepuscular and nocturnal, but can easily be found on freshly felled trunks when inspected the ground facing parts of the trunks [▿][✧][✮]. A new subspecies, T. fuscum lapponicum, has been described from Finland by Milan E.F. Sláma in 2015 [✩].
Tetropium fuscum has been described from Halle environs (Saxony-Anhalt, Germany) as Callidium fuscum by Johann Christian Fabricius in 1787 [❖].

Body length: ♂♂ 7.5 - 15.0 mm / ♀♀ 8.0 - 19.0 mm

Life cycle: 1 year

Adults in: June - July

Host plant: coniferous trees (Picea, Pinus)

Distribution: Austria, Belgium, Bulgaria, Czechia, Denmark, Finland, France, Germany, Italy, Netherlands, Norway, Poland, Romania, Russia, Slovakia, Slovenia, Sweden, Switzerland, Ukraine, Kazakhstan

The depicted mounted male beetle were collected in Pavlovskaya Sloboda (Павловская Слобода) village environs (Istrinsky district, Moscow oblast, Russia) on June 25, 2012. The living beetles were photographed in Kokořínský důl Nature Reserve (Mělník district, Central Bohemia, Czechia) on June 12, 2015 (DR) and in Breitenfurt Ost environs (N48°08′05″ E16°12′36″; Mödling district, Lower Austria, Austria) on June 20, 2026 (PHO).
Collected by Kirill V. Makarov, Daniel Rydzi and Per Hoffmann Olsen

[✧]
Danilevsky M.L.:
Longicorn beetles (Coleoptera, Cerambycoidea) of Russia and adjacent countries. Part 1.
Higher School Consulting, Moscow, 550pp [pages 378-379], 2014. [download ]
[▿]
Sláma M.E.F.:
Tesaříkovití – Cerambycidae České republiky a Slovenské republiky
[ Cerambycidae of the Czech Republic and Slovak Republic ]
Milan Sláma private printing, Krhanice, 383pp [pages 79-80], 1998 [ISBN: 80-238-2627-1]. [download ]
[✮]
Tamutis V., Alekseev V.:
A faunistic review of Spondylidinae Audinet-Serville, 1832 (Coleoptera: Cerambycidae) of the south-eastern Baltic region (Lithuania and the Kaliningrad Region).
Biologija 68 (1): 14-34,, 2022. [download ]
[✩]
Sláma M.E.F.:
Descriptions of new taxa from Europe and Southwest Asia (Coleoptera: Cerambycidae).
Humanity space - International Almanac 4 (5): 1120-1133, 2015. [download ]
[❖]
Fabricius J.C.:
Mantissa insectorum sistens eorum species nuper detectas adiectis characteribus genericis, differentiis specificis, emendationibus, observationibus.
Proft, Hafniae, 1: 348pp [page 154], 1787. [download ]


Subfamilia	Spondylidinae Audinet-Serville, 1832
Tribus	Tetropiini Seidlitz, 1891
Genus	Tetropium Kirby, 1837
Species	Tetropium fuscum (Fabricius, 1787)
Subspecies	Tetropium fuscum fuscum (Fabricius, 1787)

Michal Hoskovec © Last update: 11.XI.2026