Blistered Rock Tripe vs Common Dart

Umbilicaria hyperborea compared with Andronymus caesar

Key Differences

• Blistered Rock Tripe is Extinct while Common Dart is Least Concern.

Taxonomic Classification

Rank	Blistered Rock Tripe	Common Dart
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Ascomycota (Sac Fungi)	Arthropoda (Arthropods)
Class	Lecanoromycetes (Lecanoromycetes)	Insecta (Insects)
Order	Umbilicariales (Umbilicariales)	Lepidoptera (Butterflies & Moths)
Family	Umbilicariaceae	Hesperiidae
Genus	Umbilicaria	Andronymus
Species	Umbilicaria hyperborea	Andronymus caesar

Conservation Status

Blistered Rock Tripe

EX — Extinct

Common Dart

LC — Least Concern

Physical Characteristics

Attribute	Blistered Rock Tripe	Common Dart
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blistered Rock Tripe

Habitat

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

Range

Distributed across Denmark, Norway, Sweden, and United States.

Common Dart

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Blistered Rock Tripe

The Blistered Rock Tripe (Umbilicaria hyperborea) is a species in the genus Umbilicaria. It is currently classified as Extinct on the IUCN Red List. Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Common Dart

<em>Andronymus caesar</em>, known as the common dart, is a butterfly belonging to the family Hesperiidae. This species occupies terrestrial and freshwater habitats, though its specific geographic range is not well characterized in current biodiversity databases. Like other members of the genus Andronymus, <em>Andronymus caesar</em> is likely associated with open woodland, savanna, and grassland ecosystems typical of sub-Saharan Africa, where many related hesperiid species are found. Adults typically exhibit rapid, darting flight patterns and are often observed perching on low vegetation or feeding on flower nectar. Larvae of closely related species are generally known to feed on grasses and related monocots, though host plant preferences specific to <em>Andronymus caesar</em> have not been thoroughly detailed in the available scientific literature. The species is assessed as Least Concern, indicating that no significant population declines or major threats have been identified. Biological traits of this species remain poorly documented, and detailed ecological and life history research would contribute substantially to understanding this taxon.