Common Dart vs Common Oak

Andronymus caesar compared with Quercus robur

Taxonomic Classification

Rank	Common Dart	Common Oak
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Arthropoda (節足動物)	Magnoliophyta (被子植物門)
Class	Insecta (昆虫)	Magnoliopsida (モクレン綱)
Order	Lepidoptera (チョウ目)	Fagales (ブナ目)
Family	Hesperiidae	Fagaceae (Beech Family)
Genus	Andronymus	Quercus (Oaks)
Species	Andronymus caesar	Quercus robur

Conservation Status

Common Dart

LC — Least Concern

Common Oak

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Common Dart	Common Oak
Diet	—	Autotroph
Average Lifespan	—	1000 years
Average Length	—	25.0 m
Average Weight	—	—

Habitat & Geographic Range

Common Dart

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Common Oak

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Africa (Lesotho, South Africa), Asia (Armenia, India), Europe (8 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (4 countries).

Common Dart

Andronymus caesar, 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, Andronymus caesar 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 Andronymus caesar 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.

Common Oak

ヨーロッパで最も重要かつ広く分布する落葉樹の一つであるイングリッシュオーク（Quercus robur）は、1,000年以上生き、高さ40mに達し、ヨーロッパのどの樹種よりも多くの生物多様性を支える。2,300種以上の昆虫・菌類・地衣類・苔・鳥類が成熟したナラに直接依存している。ヨーロッパ全域から西アジアにかけての温帯林に分布し、その硬くて耐久性のある木材は歴史的に造船・建築・樽製造に欠かせなかった。