Robinia-specialist
Guides
Euparthenos
locust underwing
Euparthenos is a monotypic moth genus in the family Erebidae containing a single species, Euparthenos nubilis (locust underwing). The genus was erected by Augustus Radcliffe Grote in 1876. Adults are medium-sized nocturnal moths with distinctive yellow-orange hindwings marked by four concentric black bands. The genus is endemic to North America and closely related to the underwing moths of genus Catocala.
Filatima pseudacaciella
Dusky-backed Filatima Moth
Filatima pseudacaciella is a gelechiid moth known as the Dusky-backed Filatima Moth. Its larvae are specialized feeders on black locust (Robinia pseudacacia), and have been documented utilizing both external feeding and occupying existing leaf mines created by the related species Macrosaccus robiniella. The species is widely distributed across eastern and central North America, with records extending from California to the Atlantic coast and north into Ontario.