Large Marble
Common NameLarge Marble
Scientific NameEuchloe ausonides
FamilyPieridae
SubfamilyPierinae
Wingspan (mm)50
Primary Colorswhite, green, black
HabitatOpen woodlands, meadows, prairies, forest edges, subalpine areas
Geographic RangeWestern North America, from Alaska south to California and east to the Rocky Mountains
Host PlantsArabis, Cardamine, Descurainia, Sisymbrium
Flight PeriodApril to July
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on the flower stalks of host plants. Larvae are green with white stripes, feeding on flowers and seed pods. Pupae are typically green or brown and overwinter.
Identification TipsKey identification features include the unique green and white marbling on the underside of the hindwings and the prominent black discal spot on the white forewings.
Description
A medium-sized white butterfly with a prominent black discal spot on the forewing and a distinctive green and white marbled pattern on the underside of the hindwings.
