Biological control programs are one of the best, and quite often the only, long-term solution to managing invasive plants and animals. In order to be introduced, biological control agents must first be federally approved and also approved by New York State.

*Click the images below to see records of biological control introductions at the national level. Use the filters on the right to filter pests by category or license status.

Target pests
Adelges tsugae, Hemlock woolly adelgid
Agrilus planipennis, Emerald ash borer
Ailanthus altissima, Tree-of-heaven
Alliaria petiolata, Garlic mustard
Anoplophora glabripennis, Asian long-horned beetle
Centaurea diffusa, C. maculosa; spotted and diffuse knapweed
Cirsium arvense, Canada thistle
Convolvulus arvensis, Field bindweed
Dreissena polymorpha, D. bugensis, Quagga and zebra mussels
Euphorbia cyparissias, Cypress Spurge
Euphorbia esula, Leafy spurge
Fallopia japonica, Japanese knotweed
Fiorinia externa, Elongate hemlock scale
Halyomorpha halys, Brown-marmorated stink bug
Hydrilla verticulata, Hydrilla
Ligustrum sinense, Chinese privet
Lythrum salicaria, Purple loosestrife
Lymantria dispar, Gypsy moth
Myriophyllum spicatum, Eurasian watermilfoil
Persicaria perfoliata, Mile-a-minute weed
Rosa multiflora, Multiflora rose
Sirex noctilio, Sirex woodwasp
Cynanchum rossicum, C.louiseae; Black swallow-wort, Pale swallow-wort
Trapa natans, Water chestnut
Biocontrol agentStage of development
Laricobius nigrinusLicensed by the FWMR Special Licenses Unit
Leucopis piniperda, L. argenticollisLicensed by the FWMR Special Licenses Unit
Lecanicillium muscariumCurrently under evaluation; pending completion of successful field trial demonstrations
Larcobius osakensisFederally approved, pending approval in New York
Sasajiscymnus tsugaeUnder evaluation
Scymnus sinuanodulus, S. ningshanensis, S. camptidromusUnder evaluation
Scymnus coniferarumUnder evaluation
Biocontrol agentStage of development
Spathius agriliCurrently mass-reared to facilitate wide-spread field releases, continued monitoring
Spathius galinaePending approval for field release
Tetrastichus planipennisiCurrently mass-reared to facilitate wide-spread field releases, continued monitoring
Oobius agriliCurrently mass-reared to facilitate wide-spread field releases, continued monitoring
Biocontrol agentStage of development
Eucryptorrhynchus brandtiReared in quarantine; currently testing host range
Eucryptorrhynchus chinensisReared in quarantine; currently testing host range
Verticillium nonalfalfaeCausing mortality at sites in PA, VA, and OH, ongoing research to develop as biocontrol
Biocontrol agentStage of development
Ceutorhynchus alliariaeHost specificity testing in quarantine
Ceutorhynchus robertiHost specificity testing in quarantine
Ceutorhynchus scrobicollisHost specificity testing in quarantine completed- submitted TAG petition to release
Ceutorhynchus constricutusHost specificity testing in quarantine completed- submitted TAG petition to release
Biocontrol agentStage of development
Ontsira mellipesHost-specificity and preference testing
Rhoptrocentrus piceusHost-specificity and preference testing
Metarhizium brunneum strain F52Experimental fungal band applications
Biocontrol agentStage of development
Agapeta zoeganaLicensed by the FWMR Special Licenses Unit
Cyphocleonus achatesLicensed by the FWMR Special Licenses Unit
Larinus minutusLicensed by the FWMR Special Licenses Unit
Larinus obtususLicensed by the FWMR Special Licenses Unit
Bangasternus faustiReleased in 1989
Metzneria paucipunctellaReleased in 1980
Pelochrista medullanaReleased in 1984
Pterolonche inspersaReleased in 1986
Puccinia jaceae var. diffusaeFirst recorded in CA and OR in 1996
Sphenoptera jugoslavicaReleased in 1980
Urophora affinisReleased in 1973
Urophora quadrifasciataFirst recorded in OR and WA in 1979
Biocontrol agentStage of development
Aceria anthocoptesFirst recorded in MD in 1998
Cassida rubiginosaFirst recorded in Canada in 1901, spread to US in 1900s
Rhinocyllus conicusReleased in 1973
Urophora carduiReleased in VA in 1985
Biocontrol agentStage of development
Tyta luctuosaReleased in MO OK TX 1987-1989; Ongoing research and monitoring of effectiveness
Aceria malherbaeOngoing research and monitoring of effectiveness
Biocontrol agentStage of development
Pseudomonas fluorescensField testing and commercialization in progress
Biocontrol agentStage of development
Aphthona cyparissiaeRedistributed from Euphorbia esula in MT and ND to E. cyparissias in RI 1995
Aphthona flavaRedistributed from Euphorbia esula in MT and ND to E. cyparissias in RI 1995 1996 1998
Aphthona lacertosaRedistributed from Euphorbia esula in MT and ND in a mixture containing Aphthona czwalinai and A. lacertosa to E. cyparissias in NH 1995-1996, RI 1995-1996 1998
Aphthona nigriscutisRedistributed from Euphorbia esula in MT and ND in a mixture containing Aphthona cyparissiae, A. flava, A. nigriscutis to E. cyparissias in NH 1995, RI 1995 1998
Spurgia esulaeRedistributed from Euphorbia esula in MT ND to E. cyparissias in NH RI 1995-1996
Biocontrol agentStage of development
Aphthona nigriscutisLicensed by the FWMR Special Licenses Unit; First released in 1989
Aphthona lacertosaLicensed by the FWMR Special Licenses Unit; First released in 1993
Aphthona cyparissiaeFirst release in 1986
Aphthona flavaFirst release in 1985
Lobesia euphorbianaFirst release in 1983
Oberea erythrocephalaFirst release in 1982
Pegomya euphorbiaeFirst released in Alberta, Canada 1988
Spurgia esulaeFirst released in 1985
Biocontrol agentStage of development
Aphalara itadoriPetition submitted to TAG- recommended release
Biocontrol agentStage of development
Cybocephalus nipponicusMay be available
Biocontrol agentStage of development
Trissolcus halyomorphaeHost-specificity and preference testing
Trissolcus japonicusFound in MD in 2014; surveys of winter survival and population extent; currently in quarantine at Oregon State University
Biocontrol agentStage of development
Hydrellia pakistanaeReleased in 1987 and 1990, established and dispersed, current distribution east to Texas, North to Alabama, across Florida
Hydrellia balciunasaFirst released in FL 1989
Cricotopus lebetisFirst released in FL 1992
Parapoynx diminutalisFirst recorded in FL in 1975
Biocontrol agentStage of development
Argopistes tsekooniImpact of herbivory with different agent densities in China
Biocontrol agentStage of development
Galerucella calmariensisAvailable, released in 1992
Galerucella pusillaAvailable, released in 1992
Hylobius transversovittatusReleased in 1991
Nanophyes marmoratusReleased in 1994
Biocontrol agentStage of development
Lymantria dispar nuclear polyhedrosis virus (Gypcheck)Produced by APHIS and the US Forest Service, applied yearly to impacted stands by Forest Service Programs; not available to public
Btk (Bacillus thuringiensis var. kurstaki, trade name Foray® 76B)Used in state-funded sprays of impacted stands in NJ
Biocontrol agentStage of development
Euhrychiopsis leconteiNative Organisms Intentionally Redistributed, 1994
Biocontrol agentStage of development
Rhinoncomimus latipesLicensed by the FWMR Special Licenses Unit
Biocontrol agentStage of development
Phyllocoptes fructiphilusNative Organism Intentionally Redistributed, 1968
Rose Rosette Disease VirusFirst found in 1941
Biocontrol agentStage of development
Deladenus siricidicolaAnalyzing fungal associations and impact of D. siricidicola on native woodwasps
Ibalia leucospoidesOngoing research monitoring native Siricids and natural enemies
Biocontrol agentStage of development
Hypena opulentaFirst released in Canada in 2013; petition to release submitted- pending approval in US
Biocontrol agentStage of development
Galerucella birmanicaHost specificity testing in quarantine