VU

Caconemobius howarthi

Unknown

Overview

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

Caconemobius howarthi faces severe habitat degradation from invasive plant species, particularly fountain grass and other non-native vegetation that alter the lava tube and cave environments where this cricket species resides. Urban development and recreational activities around lava tube systems pose additional threats through habitat fragmentation and disturbance. The species' extremely limited range on Hawaii's Big Island makes it particularly vulnerable to localized environmental changes and catastrophic events.

Threat summary

Habitat

This endemic Hawaiian cricket inhabits lava tubes and associated cave systems on the Big Island of Hawaii, typically found in the twilight zones of these volcanic formations. The species requires the specific microclimate conditions found in these underground environments, including stable temperatures and humidity levels.

TERRESTRIAL· major

Other threatened species in TRIGONIDIIDAE

Caconemobius variusVU

Caconemobius varius

Unknown
VU

Caconemobius schauinslandi

Unknown
CR

Metioche superbus

Unknown
CR

Metioche payendeei

Unknown

Frequently asked questions

Why is Caconemobius howarthi classified as Vulnerable?
Caconemobius howarthi 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. Caconemobius howarthi faces severe habitat degradation from invasive plant species, particularly fountain grass and other non-native vegetation that alter the lava tube and cave environments where this cricket species resides. Urban development and recreational activities around lava tube systems pose additional threats through habitat fragmentation and disturbance. The species' extremely limited range on Hawaii's Big Island makes it particularly vulnerable to localized environmental changes and catastrophic events.
Where does Caconemobius howarthi live?
Caconemobius howarthi occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Caconemobius howarthi?
The main threats to Caconemobius howarthi 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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