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

Species Agrilus hyperici - St. John's Wort Root Borer

St. John's wort root borer - Agrilus hyperici
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Long-horned, Leaf and Snout Beetles)
No Taxon (Series Elateriformia)
Superfamily Buprestoidea (Metallic Wood Boring Beetles)
Family Buprestidae (Metallic Wood-boring Beetles)
Subfamily Agrilinae
Tribe Agrilini
Genus Agrilus
Species hyperici (St. John's Wort Root Borer)
Explanation of Names
Agrilus hyperici (Creutzer 1799)
Size
3.5-6 mm(1)
Identification
adult habitus photos by Boris LobodaJosef Dvořák
Range
native to w. Palaearctic, intentionally introduced and established in so.BC-WA-CA-MT(2)(3)(4)
Food
host: St. John’s wort (Hypericum perforatum)(2)
Remarks
biological control agent, contributed significantly to the suppression of St. John’s wort in Idaho(2)
first released in our area: CA 1950(3)
Internet References
Fact sheets: anon.(5) | Cowling (yyyy)(3) | anon.(4) |