Common Fieldcap vs Common Tiger Beetle

Agrocybe pediades compared with Cicindela campestris

Key Differences

• Common Fieldcap is Least Concern while Common Tiger Beetle is Near Threatened.

Taxonomic Classification

Rank	Common Fieldcap	Common Tiger Beetle
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Arthropoda (Arthropods)
Class	Agaricomycetes (Mushrooms)	Insecta (Insects)
Order	Agaricales (Gilled Mushrooms)	Coleoptera (Beetles)
Family	Strophariaceae	Carabidae
Genus	Agrocybe	Cicindela
Species	Agrocybe pediades	Cicindela campestris

Conservation Status

Common Fieldcap

LC — Least Concern

Common Tiger Beetle

NT — Near Threatened

Physical Characteristics

Attribute	Common Fieldcap	Common Tiger Beetle
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 Tiger Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 Tiger Beetle

<em>Cicindela campestris</em>, the common green tiger beetle, is a predatory beetle in the family Cicindelidae, recorded from Belgium, Denmark, Norway, and Sweden. It is classified as Near Threatened on the IUCN Red List, reflecting population declines linked to habitat loss, particularly the loss of open sandy heathlands, coastal dunes, and dry grasslands across its European range. This beetle is one of the fastest-running terrestrial insects and is an active, visual predator that pursues invertebrate prey with speed and agility. It is characterized by vivid metallic green elytra spotted with cream or white, providing camouflage against sandy substrates. Adults are typically 12–15 millimeters long and are found on bare, sun-exposed sandy ground. Larvae are ambush predators living in vertical burrows in sandy soil, capturing passing insects. The species requires warm, sparsely vegetated sandy habitats that are increasingly rare due to land-use change, scrub encroachment, and development. Conservation of heathland and dune habitats is critical for maintaining viable populations of this Near Threatened species.

Shared Countries

Both species can be found in 4 countries:

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