Species Details

Macaria ribearia

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

Common NameCurrant Spanworm SeasonalityAdults from early July to mid August. IdentificationGround colour pale to buttery yellow with variable maroon-brown markings. A series of three to four evenly-spaced brown dashes are usually present along the forewing costa. The brown patch present in the submarginal area sometimes forms a larger, broad submarginal band. Hindwing slightly paler, occasionally with a visible AM and PM line. Similar to M. sulphurea and M. occiduaria, but the wing fringe is yellow, not partially or entirely brown. There are also genitalic differences, illustrated by Forbes (1948) and McGuffin (1972).

Scientific Name Macaria ribearia Common Name Currant Spanworm Habitat Open woodlands and shrubby areas with currents or gooseberry. Seasonality Adults from early July to mid August. Identification
Ground colour pale to buttery yellow with variable maroon-brown markings. A series of three to four evenly-spaced brown dashes are usually present along the forewing costa. The brown patch present in the submarginal…
Ground colour pale to buttery yellow with variable maroon-brown markings. A series of three to four evenly-spaced brown dashes are usually present along the forewing costa. The brown patch present in the submarginal area sometimes forms a larger, broad submarginal band. Hindwing slightly paler, occasionally with a visible AM and PM line. Similar to M. sulphurea and M. occiduaria, but the wing fringe is yellow, not partially or entirely brown. There are also genitalic differences, illustrated by Forbes (1948) and McGuffin (1972).
Conservation Not of concern Diet Info Larvae feed on the foliage of currants and gooseberries (Ribes spp.). Range Southern Alberta east to southwestern Quebec (McGuffin 1972). In Alberta it is known from the Lethbridge - Waterton region. There are few Alberta records.
Macaria ribearia
Macaria ribearia

Citation

Page Citation for Macaria ribearia

Page Citation

"Macaria ribearia, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-3888. Accessed 29 Nov. 2021.

Taxonomic Hierarchy

Kingdom Animalia Phylum Arthropoda Class Hexapoda Subclass Insecta Order Lepidoptera Suborder Ditrysia Superfamily Geometroidea Family Geometridae Subfamily Ennominae Tribe Semiothisini Genus Macaria Species Macaria ribearia
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