Synonyms and other taxonomic changes
formerly placed in genus Platyptilia
5 synonyms: Amblyptilia calisequoiae, crataea, marina, monticola, sierrae
Numbers
the only species in this genus in North America listed at
All-LepsSize
wingspan about 18 mm, based on photo by Jim Vargo at MPG
Identification
See identification key for
Platyptiliini.
See the species accounts in Landry (1987)
(1) and Barnes & Lindsey (1921)
(2) as
Platyptilia pica.
Adult: forewing brown or grayish; dark brown to blackish triangle along costa in PM area, and dark band across wing in subterminal area; several pale transverse lines along inner margin give a stippled effect (a distinctive feature); hindwing third lobe with distinct scale tooth
male genitalia are unique in having a sclerotized cucullus and bristled uncus and saccus
Range
western North America from Alaska to California, inland to Alberta and Kansas; also occurs in northeastern states (KY, ME, MA, NH, NY, PA) and Ontario, as a greenhouse pest on geraniums
Habitat
fields and meadows where larval host plants grow; commercial greenhouses
Season
adults fly from May to October but are most numerous in summer
Food
larvae mine the leaves and also feed on flower buds and seeds of indian paint brush (Castilleja spp.), Furbish's Lousewort (Pedicularis furbishiae), California Figwort (Scrophularia californica), Penstemon whippleanus, plus plants in the families Primulaceae, Labiatae, and Caprifoliaceae, and ornamental (greenhouse) geraniums and snapdragons
adults in early spring nectar on flowers of pussy willow (Salix spp.)
See Also
Artichoke Plume Moth (
Platyptilia carduidactyla) forewing lacks "stippled effect" (several pale transverse lines) along inner margin, and usually has reddish shading in subterminal area
Internet References
pinned adult image plus description, flight season, adult and larval foodplants, biology, distribution (Strickland Entomological Museum, U. of Alberta)