Common Least Skipper vs Common Porecrust

Ancyloxypha numitor compared with Schizophyllum commune

Taxonomic Classification

Rank	Common Least Skipper	Common Porecrust
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Lepidoptera (Butterflies & Moths)	Agaricales (Gilled Mushrooms)
Family	Hesperiidae	Schizophyllaceae
Genus	Ancyloxypha	Schizophyllum
Species	Ancyloxypha numitor	Schizophyllum commune

Conservation Status

Common Least Skipper

LC — Least Concern

Common Porecrust

LC — Least Concern

Physical Characteristics

Attribute	Common Least Skipper	Common Porecrust
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Least Skipper

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada and United States.

Common Porecrust

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Afrotropic biogeographic realm.

Range

Widely distributed across Africa (4 countries), Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Brazil).

Common Least Skipper

The Common Least Skipper (<em>Ancyloxypha numitor</em>) is a small butterfly in the family Hesperiidae, classified as Least Concern on the IUCN Red List. It is native to Canada and the United States, where it typically inhabits virtually all terrestrial and freshwater habitats within its range, showing a particular affinity for moist, grassy areas near water. The species is among the smallest skippers in North America, characterized by orange and brown wing coloration and a rapid, low-flying flight pattern close to vegetation. Adults typically nectar on small flowers while larvae feed on grasses, particularly those in wet meadows, marshes, stream margins, and disturbed grassy areas. The Common Least Skipper is frequently observed in wetland margins, wet prairies, and roadsides with rank grass growth. Its wide distribution across North America and habitat generalism across moist grassland and wetland types support its stable population and Least Concern conservation status. Biological traits of this species remain poorly documented in the scientific literature.

Common Porecrust

The Common Porecrust, <em>Schizophyllum commune</em>, is one of the most widely distributed fungi on Earth, belonging to the family Schizophyllaceae within the order Agaricales. It is a wood-decay bracket fungus found on dead and dying hardwood trees, logs, and stumps across virtually every vegetated continent, including Africa, Asia, Europe, and the Americas. The species is readily identified by its small, fan-shaped to lobed, hairy gray-white fruiting bodies and its distinctive split gill-like structures on the underside, which give it the common name split-gill fungus. <em>Schizophyllum commune</em> typically fruits year-round in humid conditions and is capable of surviving extreme desiccation, reviving when moisture returns. It plays an important ecological role as a saprotrophic decomposer of lignocellulosic material, contributing to nutrient cycling in forest ecosystems. The species is also notable as an opportunistic pathogen in immunocompromised humans, occasionally causing pulmonary or sinus infections. It is assessed as Least Concern on the IUCN Red List owing to its vast range and abundance. Biological traits such as average lifespan, body size, and specific dietary preferences remain poorly documented for this species.

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States