vs Common Sun Beetle

Comatricha tenerrima compared with Amara aenea

Key Differences

• is Not Evaluated while Common Sun Beetle is Least Concern.

Taxonomic Classification

Rank		Common Sun Beetle
Kingdom	Protozoa (protozoa)	Animalia (Animals)
Phylum	Mycetozoa	Arthropoda (Arthropods)
Class	Myxomycetes (Myxomycetes)	Insecta (Insects)
Order	Stemonitidales	Coleoptera (Beetles)
Family	Stemonitidaceae	Carabidae
Genus	Comatricha	Amara
Species	Comatricha tenerrima	Amara aenea

Conservation Status

NE — Not Evaluated

Common Sun Beetle

LC — Least Concern

Physical Characteristics

Attribute		Common Sun Beetle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Asia and Europe and South America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Brazil).

Common Sun Beetle

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (7 countries) and North America (Canada, United States).

<em>Comatricha tenerrima</em> is a myxomycete belonging to the genus <em>Comatricha</em>, class Myxomycetes, order Stemonitidales. The species epithet tenerrima, meaning very delicate, likely refers to the particularly fine structure of its capillitium or sporangial walls. Like other members of the genus, <em>C. tenerrima</em> inhabits moist, decaying substrates such as rotting wood and leaf litter in forest environments, where the plasmodial feeding stage actively moves across surfaces to consume bacteria, yeasts, and organic particles. The transition to the reproductive stage results in the formation of stalked sporangia releasing spores for aerial dispersal. No geographic range information is provided in the current record. The species does not possess conventional biological traits such as body size or mass, and no quantitative data are available. <em>C. tenerrima</em> has not been assessed on the IUCN Red List.

Common Sun Beetle

<em>Amara aenea</em>, the common sun beetle, is a carabid ground beetle in the family Carabidae, order Coleoptera. It is broadly distributed across Europe and has been introduced to North America, typically inhabiting open, sunny habitats such as arable fields, grasslands, sandy heathlands, and disturbed ground with sparse vegetation. Adults are omnivorous, feeding on seeds, small invertebrates, and plant material, and are considered important predators of weed seeds in agricultural systems. <em>Amara aenea</em> is surface-active during warm, dry conditions, typically exhibiting peak activity in late spring and summer. Like many carabid beetles, it is nocturnal and shelters under stones and debris during the day. Larvae develop in the soil, where they also feed on organic matter and small invertebrates. Biological traits including precise adult lifespan, body length measurements, and detailed prey preferences remain poorly documented at the species level. The species is assessed as Least Concern by the IUCN, reflecting its wide distribution, high adaptability to disturbed environments, and no significant known threats to global population status.

Shared Countries

Both species can be found in 4 countries:

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