The Wing Atlas
Mournful Thyris Moth

Mournful Thyris Moth

Common NameMournful Thyris Moth
Scientific NameThyris sepulchralis
FamilyThyrididae
SubfamilyThyridinae
Wingspan (mm)15
Wing Patternspotted
Primary Colorsblack, white
HabitatWoodlands, forest edges, areas with host plants
Geographic RangeEastern North America
Host PlantsSmilax
Flight PeriodMay to July
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are known to feed on the leaves of various species of Greenbrier (*Smilax*). The pupa overwinters.
Identification TipsDistinguished by its small size, diurnal flight, and bold black and white spotted pattern. It can be confused with some geometrid moths but its unique wing shape and pattern are usually diagnostic.

Description

A small, day-flying moth with a striking pattern of black wings adorned with numerous irregular white spots and patches, and a black body with white markings.

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