Species Details

Cyclophora pendulinaria

University of Alberta E.H. Strickland Entomological Museum Read more about this collection »

Common NamePearly-grey Wave, Sweetfern Geometer SeasonalityMid May to mid July, most flight activity occurring in mid June IdentificationA small pale grey geometrid with dotted AM and PM lines, and occasionally a suffused median line; terminal line a row of fine black spots. The discal spots are white and outlined in dark grey, unlike in any other species that might be confused with this moth.

Scientific Name Cyclophora pendulinaria Common Name Pearly-grey Wave, Sweetfern Geometer Habitat Moist or mesic forest habitats. Seasonality Mid May to mid July, most flight activity occurring in mid June Identification
A small pale grey geometrid with dotted AM and PM lines, and occasionally a suffused median line; terminal line a row of fine black spots. The discal spots are white and outlined in dark grey, unlike in any other…
A small pale grey geometrid with dotted AM and PM lines, and occasionally a suffused median line; terminal line a row of fine black spots. The discal spots are white and outlined in dark grey, unlike in any other species that might be confused with this moth.
Life History
The larva is extremely variable in colour, ranging from green to yellow, orange brown or purple-brown; when feeding, larvae usually eat leaf tissue without cutting entirely through leaf (Wagner et al. 2001). The pupa…
The larva is extremely variable in colour, ranging from green to yellow, orange brown or purple-brown; when feeding, larvae usually eat leaf tissue without cutting entirely through leaf (Wagner et al. 2001). The pupa overwinters, and adults come to light.
Conservation Not of concern Diet Info
Although the common name relates the fact that larvae feed on sweetfern (Comptonia) (Wagner et al. 2001), this plant does not occur in western Canada and larvae instead prefer alders (Alnus spp.) and birches (Betula
Although the common name relates the fact that larvae feed on sweetfern (Comptonia) (Wagner et al. 2001), this plant does not occur in western Canada and larvae instead prefer alders (Alnus spp.) and birches (Betula spp.) (Prentice 1963).
Range Newfoundland and Labrador west to the Yukon and coastal BC, south to GA in the East (McGuffin 1967, Wagner et al. 2001).

Citation

Page Citation for Cyclophora pendulinaria

Page Citation

"Cyclophora pendulinaria, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-3991. Accessed 27 Oct. 2021.

Taxonomic Hierarchy

Kingdom Animalia Phylum Arthropoda Class Hexapoda Subclass Insecta Order Lepidoptera Suborder Ditrysia Superfamily Geometroidea Family Geometridae Subfamily Sterrhinae Tribe Cosymbini Genus Cyclophora Species Cyclophora pendulinaria
This hierarchy is created from our museum records, it may not always accurately reflect modern taxonomies.

Taxonomic Hierarchy for University of Alberta E.H. Strickland Entomological Museum