Alocerus

Eastern Alocerus
SpondylidinaeAnisarthronini
W. Palearctic spp.
2
European spp.
1
Body length
5–12 mm
Activity
Diurnal
Flight season
Summer–Autumn
Overwinters as
larva
Larva type
MRTVE_TV
Biotope
forest-saproxylic
Overview

Alocerus

*Alocerus* Mulsant, 1863 is a small, cylindrical longhorn beetle reaching 5–12 mm, dark brown to black and sparsely pubescent. The single known species is associated with dead or dying conifers, where larvae develop beneath the bark and into the sapwood over two to four years. Adults are nocturnal and active from May to August, attracted to conifer bark and smoke. The genus belongs to the subfamily Spondylidinae and is monotypic within the West Palaearctic fauna.

Seasonal activity

Flight season: Summer–Autumn

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Green = active months · Orange = peak

Host plants

Primary hosts: pine

PiceaAbies
⚑ Conservation note: none

External resources

GBIF · Käfer der Welt

Field tip: Under conifer bark or on trunks. Monotypic genus — rare.