Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Cimbex rubidus - Rusty Willow Sawfly

Rusty Willow Sawfly - Cimbex rubidus - female Rusty Willow Sawfly - Cimbex rubidus - female Cimbex rubida? - Cimbex rubidus - male - female Cimbex rubidus? - Cimbex rubidus Cimbex rubidus? - Cimbex rubidus Cimbex rubidus? - Cimbex rubidus Cimbex rubidus? - Cimbex rubidus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Symphyta" - Sawflies, Horntails, and Wood Wasps)
Family Cimbicidae (Cimbicid Sawflies)
Genus Cimbex
Species rubidus (Rusty Willow Sawfly)
Synonyms and other taxonomic changes
Cimbex rubidus Cresson, 1880
= Cimbex rubida [!] - Cimbex is masculine so a female epithet is in error (see iNaturalist and BugGuide discussions)
Explanation of Names
Cimbex rubida Cresson, 1880
from the Latin rubidus = 'red, reddish'
Identification
Thick reddish/brown body, wings glossy black; female with yellow spot at the base of abdomen
Range
Pacific coast to the Sierra Nevada in CA-NV
Habitat
Along rivers and lowland woods
Season
Adults active during summer
Food
Larvae feed on willows (Salix)