Gem Moth
Common NameGem Moth
Scientific NameOrthonama obstipata
FamilyGeometridae
SubfamilyLarentiinae
Wingspan (mm)20
Wing Patterncryptic
Primary Colorsbrown, grey, white
HabitatGardens, meadows, open woodlands, waste ground, disturbed areas
Geographic RangeCosmopolitan (nearly worldwide)
Host Plantsknotgrass, dock, groundsel, ragwort, chickweed, clover
Flight PeriodMultiple broods, year-round in warmer climates; spring to autumn in temperate regions
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are 'loopers' feeding on various low-growing plants. Pupation occurs in the soil or leaf litter. It has multiple generations per year and can overwinter as a pupa or adult.
Identification TipsKey features include the distinct white discal spot on the forewing, often surrounded by darker shading, and the wavy transverse lines across the mottled brown and grey wings.
Description
A small to medium-sized moth with mottled brown and grey forewings, featuring several wavy, darker transverse lines and a prominent white discal spot on each forewing.
