The Wing Atlas
Bronze Alder Moth

Bronze Alder Moth

Common NameBronze Alder Moth
Scientific NameMicropterix calthella
FamilyMicropterigidae
SubfamilyMicropteriginae
Wingspan (mm)4
Primary Colorsbronze, gold, white
HabitatDamp meadows, wetlands, woodlands, near host plants like alder and marsh marigold.
Geographic RangeEurope, parts of Asia (e.g., Siberia, Japan)
Host Plantsdetritus, spores, pollen (adults feed on various flowers including Caltha palustris and Alnus)
Flight PeriodApril to July
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are detritivores or feed on spores/pollen. Adults are diurnal, feeding on pollen, and are notable for retaining functional mandibles.
Identification TipsLook for its minute size, the distinctive alternating metallic bronze-gold and white bands on the forewings, and its diurnal flight in damp, vegetated areas.

Description

A tiny, primitive moth characterized by its iridescent metallic bronze-gold and white banded forewings, and long, slender antennae.

Similar Species