Plutellidae
Guides
Eidophasia
A Holarctic genus of plutellid moths comprising 12 species with heterogeneous morphologies. The genus currently lacks established synapomorphies, making species-level taxonomy challenging. E. syenitella, a European representative, was recently redescribed with first documentation of genitalia for both sexes. Larval biology is documented for at least one species, indicating specialization on Brassicaceae hosts.
Eidophasia dammersi
Eidophasia dammersi is a small moth in the family Plutellidae. The species is documented from California and Arizona. Its larvae are known to feed on Cleome isomeris, a perennial shrub in the caper family. The species is represented by few observations, suggesting it may be uncommon or underreported.
Eidophasia vanella
Eidophasia vanella is a small moth in the family Plutellidae, first described by Walsingham in 1881. It is native to western North America, with a range extending from Alberta south to California. The species has a forewing length of 7.5–8.5 mm. Larvae have been recorded feeding on Vicia gigantea and Osmorhiza species.
Plutella armoraciae
Plutella armoraciae is a moth in the family Plutellidae, first described by Busck in 1913. It is restricted to north-western North America and is closely related to the cosmopolitan diamondback moth (Plutella xylostella). The species is notable for its very pale coloration compared to its congeners and its specialized larval association with Armoracia species (horseradish and related plants).
Plutella porrectella
Dame's Rocket Moth
Plutella porrectella is a small plutellid moth closely related to the diamondback moth (P. xylostella). Unlike its cosmopolitan relative, this species has a restricted Palearctic distribution and specialized life history tied to dame's rocket (Hesperis matronalis). It completes two generations annually and overwinters as a first-instar larva concealed within host plant apical buds. The species appears to offer limited value as an alternative host for biological control agents targeting the diamondback moth.
Rhigognostis poulella
Rhigognostis poulella is a small moth species in the family Plutellidae, originally described as Plutella poulella by Busch in 1934. It was transferred to the genus Rhigognostis in a 1989 taxonomic revision. The species is known from the Nearctic region, though detailed biological information remains limited.