Resource Database

Resource Number: 47417

Title: Field Release of the Gall Wasp, Aulacidea subterminalis (Hymenoptera: Cynipidae), for Biological Control of Invasive Hawkweeds (Hieracium spp.) in the Continental United States

Publisher: USDA APHIS

Resource Type: Risk Assessment

Last Updated: December 20, 2024

Contributors:

Domain(s)/Area(S):

• Natural Resources
  • Biological Control
  • Weeds

Locations:

Subject
hawkweeds  (Hieracium spp.)
orange hawkweed  (Pilosella aurantiaca)
hawkweed gall wasp  (Aulacidea subterminalis)
yellow hawkweed  (Pilosella caespitosa)
mouse-eared hawkweed  (Pilosella officinarum)
hawkweeds  (Pilosella)
(Pilosella glomerata)
whiplash hawkweed  (Pilosella flagellaris)
yellow-flowered hawkweeds  (Pilosella yellow-flowered hawkweeds)