VU

Theronia laevigata

Unknown

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Theronia laevigata faces significant pressure from habitat degradation and fragmentation of its specialized forest environments. The species' parasitoid lifestyle makes it particularly vulnerable to disruptions in host insect populations, which are themselves declining due to pesticide use and ecosystem changes. Climate-driven shifts in forest composition may further reduce suitable habitat for both this wasp and its lepidopteran hosts.

Threat summary

Habitat

This parasitoid wasp inhabits mature deciduous and mixed forests where it depends on specific lepidopteran hosts. The species requires intact forest canopies and understory vegetation that support diverse moth and butterfly communities essential for its reproductive cycle.

Frequently asked questions

Why is Theronia laevigata classified as Vulnerable?
Theronia laevigata is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Theronia laevigata faces significant pressure from habitat degradation and fragmentation of its specialized forest environments. The species' parasitoid lifestyle makes it particularly vulnerable to disruptions in host insect populations, which are themselves declining due to pesticide use and ecosystem changes. Climate-driven shifts in forest composition may further reduce suitable habitat for both this wasp and its lepidopteran hosts.
Where does Theronia laevigata live?
Theronia laevigata occurs in Estonia, Finland, France, Germany, Japan, and Netherlands (plus 4 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 Theronia laevigata?
The main threats to Theronia laevigata 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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