Fern Beetle
Altica ambiens
insectView on iNaturalist
Tiny metallic fern beetle. Feeds on native and non-native fern fronds; generally harmless; important in fern-rich garden ecosystems.
Plants that support Fern Beetle
1 plants
Western Sword Fern
Polystichum munitum
fern
Specialist beetle feeding on sword fern foliage
Bay Area native