Brown Leaf Weevil vs Common Fieldcap

Phyllobius oblongus compared with Agrocybe pediades

Taxonomic Classification

Rank	Brown Leaf Weevil	Common Fieldcap
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Arthropoda (Arthropods)	Basidiomycota (Club Fungi)
Class	Insecta (Insects)	Agaricomycetes (Mushrooms)
Order	Coleoptera (Beetles)	Agaricales (Gilled Mushrooms)
Family	Curculionidae	Strophariaceae
Genus	Phyllobius	Agrocybe
Species	Phyllobius oblongus	Agrocybe pediades

Conservation Status

Brown Leaf Weevil

LC — Least Concern

Common Fieldcap

LC — Least Concern

Physical Characteristics

Attribute	Brown Leaf Weevil	Common Fieldcap
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Leaf Weevil

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and deserts and xeric shrublands within the Palearctic biogeographic realm.

Range

Widely distributed across Asia (Azerbaijan, Kazakhstan, Turkey), Europe (34 countries), and North America (Canada, United States).

Common Fieldcap

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Found across Europe (5 countries) and North America (United States).

Brown Leaf Weevil

The Brown Leaf Weevil (Phyllobius oblongus) is a species in the genus Phyllobius. It is currently classified as Least Concern on the IUCN Red List. Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and deserts and xeric shrublands within the Palearctic biogeographic realm.

Common Fieldcap

The Common Fieldcap (<em>Agrocybe pediades</em>) is a saprotrophic fungus belonging to the genus Agrocybe within the family Strophariaceae. It typically produces small, tan to pale brown cap-shaped fruiting bodies and is often found growing in clusters or scattered on lawns, grassy areas, forest floors, decomposing wood, and soil-rich ecosystems. The species typically inhabits forest floors, decomposing wood, and soil ecosystems, obtaining nutrients by breaking down dead organic matter. Its geographic range includes several European countries — Belgium, Denmark, Norway, Portugal, and Sweden — as well as the United States in North America. <em>Agrocybe pediades</em> is assessed as Least Concern on the IUCN Red List, reflecting its broad distribution and apparent stability. Biological traits of this species, including specific data on fruiting body size, lifespan, and ecological preferences, remain poorly documented in the scientific literature. Like other members of its genus, it typically fruits during warmer months and often appears after rainfall in nutrient-rich grassland and woodland habitats.