Behaarde boorsnuitkever
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Behaarde boorsnuitkever

Ceutorhynchus hirtulus

Unknown

Photo: iNaturalist: (c) Frederik Rothe, some rights reserved (CC BY-NC), uploaded by Frederik Rothe

Overview

The Behaarde boorsnuitkever (Ceutorhynchus hirtulus) is a small, hairy weevil species characterized by its distinctive elongated snout and bristly body surface. This specialized beetle plays an important ecological role as both herbivore and prey species, with adults feeding on cruciferous plants while larvae develop within plant stems and seed pods.

Ceutorhynchus hirtulus is declining primarily due to habitat loss and degradation of its specialized host plant environments. Agricultural intensification and changes in land management practices have reduced the availability of suitable breeding sites and food sources.

Threat summary

Habitat

The species inhabits flower-rich meadows, field margins, and extensively managed agricultural areas where wild cruciferous plants such as mustards and cresses grow abundantly. It particularly favors areas with a mosaic of cultivated fields and semi-natural grasslands that provide both breeding sites and overwintering habitat.

Frequently asked questions

Why is Behaarde boorsnuitkever classified as Endangered?
Behaarde boorsnuitkever is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Ceutorhynchus hirtulus is declining primarily due to habitat loss and degradation of its specialized host plant environments. Agricultural intensification and changes in land management practices have reduced the availability of suitable breeding sites and food sources.
Where does Behaarde boorsnuitkever live?
Behaarde boorsnuitkever occurs in Åland Islands, Austria, Bulgaria, Croatia, Denmark, and Estonia (plus 16 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Behaarde boorsnuitkever?
The main threats to Behaarde boorsnuitkever are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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