Species Details

Prochoerodes lineola

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

Common NameLarge Maple Spanworm SeasonalityLate July into September in Alberta; peak flight in early August. IdentificationA large ochre or yellowish fall-flying geometrid. Extremely variable markings and colouration, to the point where barely two individuals are alike. Ranges from pale tan and almost completely unmarked to ochre with heavy transverse lines and extensive dark mottling. Despite this variability, lineola can be separated from similar species by the PM line, which forms a sharp point near the forewing apex. In other species (Synaxis jubararia, Synaxis pallulata and Tetracis sp.), the PM line is straight near the wing apex.

Scientific Name Prochoerodes lineola Common Name Large Maple Spanworm Habitat Mixedwood and deciduous forests and woodlands. Seasonality Late July into September in Alberta; peak flight in early August. Identification
A large ochre or yellowish fall-flying geometrid. Extremely variable markings and colouration, to the point where barely two individuals are alike. Ranges from pale tan and almost completely unmarked to ochre with…
A large ochre or yellowish fall-flying geometrid. Extremely variable markings and colouration, to the point where barely two individuals are alike. Ranges from pale tan and almost completely unmarked to ochre with heavy transverse lines and extensive dark mottling. Despite this variability, lineola can be separated from similar species by the PM line, which forms a sharp point near the forewing apex. In other species (Synaxis jubararia, Synaxis pallulata and Tetracis sp.), the PM line is straight near the wing apex.
Life History Much like the adult, larvae are extremely variable in colouration, and mimic twigs. Adults are nocturnal and come to light (McGuffin 1987). Conservation Not of concern. Diet Info
Larvae are polyphagous on deciduous and coniferous trees and shrubs. Favoured hosts include trembling aspen (Populus), balsam fir (Abies), white birch (Betula), willow (Salix) and balsam poplar (Populus) (Prentice 1963).
Larvae are polyphagous on deciduous and coniferous trees and shrubs. Favoured hosts include trembling aspen (Populus), balsam fir (Abies), white birch (Betula), willow (Salix) and balsam poplar (Populus) (Prentice 1963).
Range Widespread throughout the eastern half of the continent, north and west to Alberta and south to FL (McGuffin 1987). Notes Synonym: Prochoerodes transversata (Drury)
Prochoerodes lineola
Prochoerodes lineola
Prochoerodes lineola
Prochoerodes lineola

Citation

Page Citation for Prochoerodes lineola

Page Citation

"Prochoerodes lineola, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-4487. Accessed 19 Sep. 2021.

Taxonomic Hierarchy

Kingdom Animalia Phylum Arthropoda Class Hexapoda Subclass Insecta Order Lepidoptera Suborder Ditrysia Superfamily Geometroidea Family Geometridae Subfamily Ennominae Tribe Ourapterygini Genus Prochoerodes Species Prochoerodes lineola
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