Ashy Button vs Fuchi Wushu

Acleris sparsana compared with Trogopterus xanthipes

Key Differences

• Ashy Button is Least Concern while Fuchi Wushu is Near Threatened.

Taxonomic Classification

Rank	Ashy Button	Fuchi Wushu
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Mammalia (哺乳動物)
Order	Lepidoptera (鱗翅目)	Rodentia (啮齿目)
Family	Tortricidae	Sciuridae (Squirrels)
Genus	Acleris	Trogopterus
Species	Acleris sparsana	Trogopterus xanthipes

Evolutionary Relationship

Ashy Button and Fuchi Wushu share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

Ashy Button

LC — Least Concern

Fuchi Wushu

NT — Near Threatened

Physical Characteristics

Attribute	Ashy Button	Fuchi Wushu
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ashy Button

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Fuchi Wushu

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ashy Button

Ashy button (Acleris sparsana) is a species in the genus Acleris. It is listed as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Fuchi Wushu

<em>Trogopterus xanthipes</em>, the complex-toothed flying squirrel, is a medium-sized gliding rodent in the family Pteromyidae endemic to China, where it inhabits montane broadleaf and mixed forests at elevations typically between 1,000 and 2,700 metres in provinces including Sichuan, Yunnan, Guizhou, Hubei, and neighbouring regions. This species is the sole member of the genus Trogopterus and is distinguished by complex tooth morphology compared to other flying squirrels. Like all flying squirrels, it possesses a patagium — a gliding membrane stretching between fore and hind limbs — that enables it to glide between trees rather than undertake powered flight. The complex-toothed flying squirrel is nocturnal and arboreal, spending its days sheltering in tree hollows and foraging at night for leaves, bark, seeds, and fungi. Its faeces, known as Wuflingzhi, have been used in traditional Chinese medicine for centuries, leading to trapping pressure in parts of its range. The IUCN classifies this species as Near Threatened, reflecting population decline driven by overhunting for medicinal use and ongoing habitat loss from logging and agricultural encroachment in montane forests. Biological traits including average body mass, lifespan, litter size, and home range are partially documented but detailed population estimates are limited. Conservation measures include legal protections under Chinese wildlife law.