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Species Perizoma alchemillata - Small Rivulet - Hodges#7320

Small Rivulet - Perizoma alchemillata Perizoma alchemillata ? - Perizoma alchemillata Small Rivulet  Perizoma alchemillata  7320 - Perizoma alchemillata Moth - Perizoma alchemillata IMG_7333 - Perizoma alchemillata 7320 Small Rivulet - Perizoma alchemillata Perizoma alchemillata Perizoma alchemillata
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Larentiinae
Tribe Hydriomenini
Genus Perizoma
Species alchemillata (Small Rivulet - Hodges#7320)
Hodges Number
7320
Size
wingspan 14-24 mm
Identification
Adult: forewing reddish-brown mixed with gray; PM line jagged, bordered on both sides by conspicuous white band; AM line white, jagged, diffuse and indistinct; ST line white, jagged, distinct near costa only; hindwing light grayish-brown with whitish tint and brown terminal line

Larva: body greenish-yellow with broad yellowish dorsal stripe bordered on both sides by purplish stripe; head black
Range
holarctic; in North America, from Newfoundland to Quebec, and presumably adjacent northeastern states
Habitat
woodlands, bogs, marshy areas; adults attracted to artificial light
Season
adults fly from May to August; peak numbers in July
larvae present in August and September
Food
larvae feed on flowers and seed capsules of hempnettle (Galeopsis spp.)
Life Cycle
overwinters as a pupa
Internet References
live adult and larva images plus common name reference and other info (Butterflies and Moths of Northern Ireland)
live adult image plus common name reference, description, larval foodplants, and other info (Ian Kimber, UK Moths)
live adult image and other info (Jens Schou, Denmark, Moths and Butterflies of Europe and North Africa)
live adult image (Josef Hlasek, Czech Republic)
pinned adult image and distribution in Canada giving list of provinces of occurrence (CBIF)
pinned adult image (A.W. Thomas, Natural Resources Canada)
live larva image (Kimmo Silvonen, Finland)