Rivulet
Common NameRivulet
Scientific NamePerizoma affinitata
FamilyGeometridae
SubfamilyLarentiinae
Wingspan (mm)28
Wing Patternstriped
Primary Colorsdark brown, white, greyish-brown
HabitatWoodlands, hedgerows, gardens, rough ground
Geographic RangeEurope, parts of Asia (e.g., Russia, Turkey)
Host PlantsSilene dioica, Silene latifolia, Lychnis flos-cuculi
Flight PeriodJune to August
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae develop inside the seed capsules of host plants, feeding on the seeds. Pupation typically occurs in the soil.
Identification TipsKey features include the dark ground color of the forewings and the prominent, wavy white central band, which often has darker borders.
Description
A small moth with dark brown to greyish-brown forewings featuring a distinctive, broad, wavy white band across the middle. The hindwings are a paler grey-brown.
