Common Fieldcap vs Common Spruce Bell

Agrocybe pediades compared with Epinotia tedella

Taxonomic Classification

Rank	Common Fieldcap	Common Spruce Bell
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Arthropoda (Arthropods)
Class	Agaricomycetes (Mushrooms)	Insecta (Insects)
Order	Agaricales (Gilled Mushrooms)	Lepidoptera (Butterflies & Moths)
Family	Strophariaceae	Tortricidae
Genus	Agrocybe	Epinotia
Species	Agrocybe pediades	Epinotia tedella

Conservation Status

Common Fieldcap

LC — Least Concern

Common Spruce Bell

LC — Least Concern

Physical Characteristics

Attribute	Common Fieldcap	Common Spruce Bell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Fieldcap

Habitat

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

Range

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

Common Spruce Bell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Common Spruce Bell

<em>Epinotia tedella</em>, commonly known as the common spruce bell, is a small tortrix moth in the family Tortricidae, distributed across Europe wherever its primary host plant, <em>Picea abies</em> (Norway spruce), occurs. This species typically inhabits spruce forests, forest plantations, and woodland edges with significant spruce components, from lowland areas to montane elevations throughout much of the European continent. Its geographic range extends from Scandinavia and the British Isles south through central and eastern Europe, broadly following the distribution of its conifer hosts. Classified as Least Concern on the IUCN Red List, <em>Epinotia tedella</em> maintains stable populations across its range and is not considered threatened. The larvae feed internally within the needles of <em>Picea</em> species, mining leaf tissue and occasionally causing noticeable damage during outbreak years in plantation forestry. Adults are small moths with a wingspan of approximately 12–16 mm, displaying forewing patterns of brownish-grey with silvery strigulae typical of the genus. The species produces one generation per year, with adults flying from late spring to midsummer. Biological traits such as average lifespan in years, precise body weight, and detailed population dynamics remain poorly documented for this minor forestry pest. Diet consists primarily of Norway spruce needle tissue during the larval stage.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden