Colchicum Rust vs small tortoiseshell

Uromyces colchici compared with Aglais urticae

Key Differences

Colchicum Rust is Not Evaluated while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Colchicum Rust	small tortoiseshell
Kingdom	Fungi (真菌界)	Animalia (动物界)
Phylum	Basidiomycota (担子菌门)	Arthropoda (节肢动物门)
Class	Pucciniomycetes (柄锈菌纲)	Insecta (昆蟲綱)
Order	Pucciniales (柄锈菌目)	Lepidoptera (鱗翅目)
Family	Pucciniaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Uromyces	Aglais
Species	Uromyces colchici	Aglais urticae

Conservation Status

Colchicum Rust

NE — Not Evaluated

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Colchicum Rust	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Colchicum Rust

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in United Kingdom.

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Colchicum Rust

Uromyces colchici, commonly referred to as Colchicum Rust, is a fungal pathogen in the order Pucciniales, family Pucciniaceae. This rust fungus is associated with plants in the genus Colchicum, commonly known as autumn crocuses or meadow saffrons. The species has been recorded in the United Kingdom and is presumed to occupy European ecosystems more broadly. Rust fungi in the genus Uromyces are obligate biotrophs, meaning they complete their life cycles on living host plant tissue. They typically cause visible lesions or pustules on leaves and stems of their host plants, which can affect host vigor. Uromyces colchici has not been formally assessed under the IUCN Red List, and its conservation status is unknown. Biological traits such as reproductive specifics and dispersal mechanisms follow those typical of rust fungi but have not been specifically documented for this species in available records. Biological traits of this species remain poorly documented in the scientific literature. Its ecological impact on Colchicum populations in European grassland and woodland habitats is not well quantified.