Saperda similis
CRCritically Endangered

Saperda similis

Local name: Saperde intermédiaire

Saperda similis, commonly known as the intermediate poplar borer, is a species of longhorn beetle in the family Cerambycidae. This wood-boring beetle is associated with poplar and willow trees, where larvae develop within the wood tissue of host plants.

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Countries

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Saperda_similis

01Classification

Taxonomy & Classification

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Cerambycidae

Genus

Saperda

Saperda similis belongs to the family Cerambycidae, order Coleoptera, within the Insecta class.

02Description

Species Profile

Saperda similis, commonly known as the intermediate poplar borer, is a species of longhorn beetle in the family Cerambycidae. This wood-boring beetle is associated with poplar and willow trees, where larvae develop within the wood tissue of host plants. The species has a limited distribution range in Europe, with historical records from select regions where suitable host trees occur. Adult beetles are characterized by their elongated body typical of longhorn beetles, with larvae that create galleries within the bark and wood of their host trees. The species' critical conservation status reflects significant population declines and range contractions observed across its native habitat. Primary threats include habitat loss due to deforestation and changes in forest management practices that reduce the availability of suitable host trees. Urban development and agricultural expansion have further fragmented the woodland habitats essential for this species' survival. Climate change may also impact the species through alterations to forest composition and the health of host tree populations. The beetle's specialized relationship with specific tree species makes it particularly vulnerable to environmental changes that affect these hosts. Conservation efforts for Saperda similis require habitat protection and restoration of native poplar and willow woodlands. Monitoring programs are needed to better understand current population status and distribution, as the population trend remains unknown despite the species' critical conservation status.

The intermediate poplar borer faces severe threats from habitat loss caused by deforestation, urban development, and changes in forest management that reduce suitable host trees. The species' specialized dependence on poplar and willow trees makes it particularly vulnerable to environmental changes affecting these hosts. Climate change may further impact the beetle through alterations to forest composition and host tree health.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupInsects
03Habitat

Habitat & Distribution

Saperda similis inhabits woodland areas where poplar and willow trees are present, as these serve as essential host plants for larval development. The species requires mature trees with suitable bark and wood conditions for successful reproduction and larval growth.

04Threats

Threats

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IUCN Red List: Critically Endangered

The intermediate poplar borer faces severe threats from habitat loss caused by deforestation, urban development, and changes in forest management that reduce suitable host trees. The species' specialized dependence on poplar and willow trees makes it particularly vulnerable to environmental changes affecting these hosts. Climate change may further impact the beetle through alterations to forest composition and host tree health.

Detailed threat classification data is sourced from IUCN assessments as they become available.

Community

Community Sightings

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07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2025). Saperda similis (Saperda similis). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/saperde-intermediaire

Full citation guide & data usage terms