Sweetfern Geometer Moth

Cyclophora pendulinaria

''Cyclophora pendulinaria'', the sweetfern geometer moth or pearly-grey wave, is a moth in the family Geometridae. It is found in North America, where it is found from Newfoundland and Labrador west to the Yukon and coastal British Columbia, south to Georgia in the east. The habitat consists of moist or mesic forests.
Cyclophora pendulinaria  Cyclophora pendulinaria,Geotagged,Lepidoptera,Spring,Sweetfern geometer moth,United States,insect,moth

Appearance

The wingspan is 17–26 mm. The wings vary from white to gray or even blackish-brown. Adults have been recorded on wing from April to October.

Adult: wings white or various shades of gray to blackish-brown (melanics); discal spots hollow-round on forewing, oval on hindwing; AM and PM lines sharpest but usually broken to dotted; median line more diffuse; shading also variable. Larva: green with fine pale wavy lines running along back; head yellowish or orangish.

Packard's Wave, Cyclophora packardi, has yellowish to orangish-brown wings, and its AM and PM lines are composed of bolder and more distinct dots.
Cyclophora pendulinaria Cyclophora pendulinaria (Sweetfern Geometer). Although called Sweetfern (Comptonia peregrina) Geometer Moth the larvae also feed on alder, beech, blueberry, and snakeroot. Comptonia peregrina,Cyclophora pendulinaria,Geotagged,Spring,United States,moth,sweetfern geometer

Naming

Cyclophora pendulinaria (Guenée, [1858])
Cosymbia pendulinaria (Guenée, [1858])
Ephyra pendulinaria Guenée, [1858]

Distribution

Every province and territory of Canada, plus (presumably) Alaska; in the east extends south to Georgia, Mississippi, Arkansas.

Food

Larvae feed on alder, beech, blueberry, snakeroot, sweet-fern.

References:

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https://bugguide.net/node/view/11012
Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassInsecta
OrderLepidoptera
FamilyGeometridae
GenusCyclophora
SpeciesC. pendulinaria