Azalea Gall vs Common Yellow Conch

Exobasidium japonicum compared with Agapeta hamana

Taxonomic Classification

Rank	Azalea Gall	Common Yellow Conch
Kingdom	Fungi (菌界)	Animalia (動物)
Phylum	Basidiomycota (担子菌門)	Arthropoda (節足動物)
Class	Exobasidiomycetes (Exobasidiomycetes)	Insecta (昆虫)
Order	Exobasidiales (Exobasidiales)	Lepidoptera (チョウ目)
Family	Exobasidiaceae	Tortricidae
Genus	Exobasidium	Agapeta
Species	Exobasidium japonicum	Agapeta hamana

Conservation Status

Azalea Gall

LC — Least Concern

Common Yellow Conch

LC — Least Concern

Physical Characteristics

Attribute	Azalea Gall	Common Yellow Conch
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Azalea Gall

Habitat

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

Range

Found across Asia (Taiwan) and Europe (6 countries).

Common Yellow Conch

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Azalea Gall

The Azalea Gall (Exobasidium japonicum) is a species in the genus Exobasidium. It is currently classified as Least Concern on the IUCN Red List. Native to Asia and Europe, inhabiting ecosystems characteristic of the region.

Common Yellow Conch

<em>Agapeta hamana</em>, the common yellow conch moth, is a small moth in the family Tortricidae. It is widely distributed across Europe and central Asia, ranging from Britain and Scandinavia eastward through much of the Palearctic region. The species inhabits dry grasslands, heathlands, chalk downlands, and scrubby habitats where its larval host plants are found. Adult moths display distinctive pale yellow to golden-yellow forewings with irregular brown or reddish-brown markings near the wingtip, forming a pattern that resembles the shell of a conch, lending the species its common name. The wingspan typically measures around 15–22 mm. Biological traits such as average adult lifespan, precise body weight, and detailed population data remain poorly documented in consolidated scientific literature. Larvae feed internally on the roots of thistles and knapweeds, particularly <em>Centaurea</em> and <em>Cirsium</em> species. Adults fly from June to August and are frequently attracted to light. <em>Agapeta hamana</em> has been investigated as a potential biological control agent for invasive knapweed species in North America, where it has been introduced experimentally. The species is assessed as Least Concern given its broad distribution and stable habitat associations.

Shared Countries

Both species can be found in 4 countries:

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