Resource Database

Resource Number: 57537

Title: Field Release of the Nonindigenous Leafmining Flies, Hydrellia pakistanae Deonier and H. balciunasi Bock (Diptera: Ephydridae), for Biological Control of Hydrilla verticillata (L.F.) Royle (Hydrocharitaceae)

Publisher: USDA APHIS

Resource Type: Risk Assessment

Last Updated: February 28, 2026

Contributors:

Domain(s)/Area(S):

• Natural Resources
  • Biological Control
  • Weeds

Locations:

Subject
hydrilla  (Hydrilla verticillata)
Australian hydrilla leaf mining fly  (Hydrellia balciunasi)
Asian hydrilla leaf mining fly  (Hydrellia pakistanae)