EN

Malayan Wide-headed Grasshopper

Pareuthymia fasciata

Declining

Overview

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

Pareuthymia fasciata faces severe population decline primarily due to deforestation and habitat fragmentation across its limited range in Southeast Asian tropical forests. Mining activities and agricultural expansion have destroyed critical breeding sites, while climate change is altering the specific microhabitat conditions this species requires. The butterfly's narrow ecological niche and small population size make it particularly vulnerable to environmental disturbances.

Threat summary

Habitat

This butterfly inhabits primary and secondary tropical rainforests in Southeast Asia, typically found in forest understory and edge habitats with specific host plants. It requires intact forest ecosystems with appropriate microclimatic conditions and native vegetation for breeding and feeding.

Forest· majorForest - Subtropical/tropical moist lowland· major

Conservation measures underway

Species recovery

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EN

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Acropora hemprichiiEN

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Podocarpus ridleyi

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Benstonea saint-johnii

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Hopea coriacea

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Frequently asked questions

Why is Malayan Wide-headed Grasshopper classified as Endangered?
Malayan Wide-headed Grasshopper 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. Pareuthymia fasciata faces severe population decline primarily due to deforestation and habitat fragmentation across its limited range in Southeast Asian tropical forests. Mining activities and agricultural expansion have destroyed critical breeding sites, while climate change is altering the specific microhabitat conditions this species requires. The butterfly's narrow ecological niche and small population size make it particularly vulnerable to environmental disturbances.
Where does Malayan Wide-headed Grasshopper live?
Malayan Wide-headed Grasshopper occurs in Malaysia, and Singapore. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Malayan Wide-headed Grasshopper?
The main threats to Malayan Wide-headed Grasshopper 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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