Emerging Pest Alerts

Warning: The following Alerts have not been confirmed with the appropriate National Plant Protection Organization(s). They are provided solely as an early warning to users, for emerging plant pests that are not present in the North American region. Users should use this information with caution.

Emerging Pest Alerts are news items obtained from public sources. They do not serve as official communication from NAPPO. The "Emerging Pest Alerts" is an early warning tool for emerging plant pests that are not present in the North American region. In most cases, information within alerts is not confirmed with the corresponding National Plant Protection Organization. They are provided solely as an early warning to NAPPO countries and should be used with this disclaimer in mind.

Scientific Name Title Posted Date

Hymenoscyphus fraxineus

Hymenoscyphus fraxineus, causal agent of ash dieback: new hosts

June 20, 2019, 9:41 a.m.
Argyrotaenia tucumana First report of Argyrotaenia tucumana as a pest Feb. 8, 2019, 9 a.m.
Bactrocera dorsalis Bactrocera dorsalis: First report in Europe Jan. 24, 2019, 9 a.m.
Ceratitis capitata Ceratitis capitata detected in Chile Jan. 24, 2019, 9 a.m.
Pseudomonas syringae pv. actinidiae Pseudomonas syringae pv. actinidiae: new distribution Nov. 20, 2018, 9 a.m.
Meloidogyne luci First report of the root-knot nematode Meloidogyne luci associated with potato Aug. 7, 2018, 9 a.m.
Tuta absoluta Tuta absoluta: new distribution and detection July 11, 2018, 9 a.m.
Trogoderma granarium Mexico intercepts Trogoderma granarium on international consignments June 8, 2018, 9 a.m.
Arthrinium xenocordella First report of the fungus Arthrinium xenocordella as a plant pathogen May 15, 2018, 9 a.m.
Cydalima perspectalis Cydalima perspectalis: new distribution May 15, 2018, 9 a.m.
Agrilus mali Agrilus mali: a pest of apples March 16, 2018, 9 a.m.
Hymenoscyphus fraxineus Hymenoscyphus fraxineus, causal agent of ash dieback: new locations March 16, 2018, 9 a.m.
Lasiodiplodia iraniensis Lasiodiplodia iraniensis: new host and distribution March 23, 2017, 9 a.m.
Bactra bactrana Bactra bactrana reported feeding on peppers for the first time March 14, 2017, 9 a.m.
Cucumber green mottle mosaic virus Cucumber green mottle mosaic virus (CGMMV): New host records March 14, 2017, 9 a.m.
Lasiothyris luminosa First report of Lasiothyris luminosa as a pest on grapes. March 14, 2017, 9 a.m.
Cydalima perspectalis Cydalima perspectalis, a pest of ornamental Buxus plants Feb. 14, 2017, 9 a.m.
Tuta absoluta Tuta absoluta (Tomato leaf miner): New host records, controls, and distribution Feb. 1, 2017, 9 a.m.
Chalara fraxinea Ash dieback (Chalara fraxinea): Continued spread in Europe Nov. 19, 2012, 9 a.m.
Cryptosporiopsis citricarpa New citrus pathogen described in China June 29, 2012, 9 a.m.
Candidatus Phytoplasma pini Update on a new phytoplasma disease of coniferous trees in Europe March 14, 2012, 9 a.m.
Chalara fraxinea Update on ash dieback (Chalara fraxinea) in Europe: New confirmed hosts and description of the perfect state Nov. 10, 2010, 9 a.m.
Chalara fraxinea Update on ash dieback (Chalara fraxinea) - Spreading in Europe Nov. 9, 2010, 9 a.m.
Fijivirus Southern rice black streaked dwarf virus New rice virus spreading in China July 29, 2010, 9 a.m.
Bombacoccus aguacatae Bombacoccus aguacatae, a new scale species found on avocados in Colombia April 23, 2010, 9 a.m.
Nipaecoccus viridis First detection of the lebbeck mealybug, Nipaecoccus viridis, in the continental United States Feb. 22, 2010, 9 a.m.
Penidiella strumelloidea First report of Penidiella strumelloidea (Dothideomycetes: Capnodiales) as a pathogen Jan. 27, 2010, 9 a.m.
Dickeya solani  New strain of blackleg of potato, Dickeya solani, causing significant losses in Europe Dec. 11, 2009, 9 a.m.
Tomato yellow leaf distortion virus (ToYLDV) and Tobacco yellow crinkle virus (TbYCV) Two new begomoviruses found infecting Solanaceous crops in Cuba Aug. 27, 2009, 9 a.m.
Candidatus Phytoplasma australiense First report of 'Candidatus Phytoplasma australiense' infecting potato Aug. 18, 2009, 9 a.m.
Tuta absoluta Update on spread of Tuta absoluta in Europe Aug. 7, 2009, 9 a.m.
Anastrepha grandis Outbreak of Anastrepha grandis (South American cucurbit fruit fly) in Panama July 16, 2009, 9 a.m.
Caliothrips sp. New unidentified thrips damaging cotton in South Texas July 8, 2009, 9 a.m.
Unknown Unidentified weevil found in Guatemalan pineapple shipment June 26, 2009, 9 a.m.
Monilia polystroma Brown fruit rot (Monilia polystroma) occurring on apples in Hungary May 26, 2009, 9 a.m.
Phytophthora infestans strains A2-Blue13 and A1- 6  Spread of new strains of Phytophthora infestans in England April 16, 2009, 9 a.m.
Crypticerya multicicatrices New scale species described in Colombia April 16, 2009, 9 a.m.
Potato spindle tuber viroid (PSTVd)  New hosts for Potato spindle tuber viroid April 7, 2009, 9 a.m.
Rhynchophorus ferrugineus Update on the spread of red palm weevil, Rhynchophorus ferrugineus - Found in Curacao, Dutch Antilles Jan. 30, 2009, 9 a.m.
Puccinia graminis f.sp. tritici race Ug99 Ug99 race of wheat stem rust continues to spread Jan. 29, 2009, 9 a.m.
Tomato torrado virus First report of Tomato torrado virus in Panama Jan. 28, 2009, 9 a.m.
Geosmithia spp. and Pityophthorus juglandis Beetle-fungus infestation threatens black walnut (Juglans nigra) trees Aug. 18, 2008, 9 a.m.
Raffaelea lauricola sp. nov. Raffaelea lauricola sp. nov., new plant pathogen of Lauraceae vectored by ambrosia beetle, Xyleborus glabratus July 30, 2008, 9 a.m.
Xylella fastidiosa First report of Xylella fastidiosa in avocado in Costa Rica June 19, 2008, 9 a.m.
Candidatus Liberibacter sp. New bacterium detected in commercial greenhouses of tomato and pepper in New Zealand June 9, 2008, 9 a.m.
Tomato apical stunt viroid Tomato apical stunt viroid found on Solanum jasminoides and Cestrum sp. May 29, 2008, 9 a.m.
Tomato zonate spot virus (TZSV) (proposed) A significant new tospovirus of vegetable crops in Yunnan, China May 13, 2008, 9 a.m.
Achatina fulica First report of Giant African Snail (Achatina fulica) in Antigua April 21, 2008, 9 a.m.
Tuta absoluta First detection of tomato leafminer (Tuta absoluta) in Spain April 17, 2008, 9 a.m.
Pseudomonas syringae pv. aesculi Update on Bleeding Canker of Horse Chestnut (UK & Europe) April 16, 2008, 9 a.m.
Rhynchophorus ferrugineus First records of Red Palm Weevil, Rhynchophorus ferrugineus (Oliver) in France, Greece, and Italy March 17, 2008, 9 a.m.
Puccinia graminis f.sp. tritici race Ug99  Ug99 race of wheat stem rust found in Iran March 11, 2008, 9 a.m.
Phytophthora kernoviae First report of Phytophthora kernoviae on wild Vaccinium Jan. 24, 2008, 9 a.m.
Ralstonia solanacearum New Research on Cold Tolerance of Ralstonia solanacearum Strains Nov. 14, 2007, 9 a.m.
Candidatus Phytoplasma mali New Host Records for 'Candidatus Phytoplasma mali', causal agent of Apple Proliferation Disease in Malus Nov. 14, 2007, 9 a.m.
Verticillium longisporum First Reports of Verticillium longisporum on Oilseed Rape (Brassica napus) in the United Kingdom (England) Oct. 29, 2007, 9 a.m.
Phytophthora pinifolia A new species of Phytophthora associated with dying pine needles in Chile Oct. 19, 2007, 9 a.m.
Bactrocera invadens Update on the distribution of Bactrocera invadens – First find in Bhutan Sept. 6, 2007, 9 a.m.
Columnea latent viroid First report of Columnea latent viroid on tomatoes in the United Kingdom Aug. 17, 2007, 9 a.m.
Unknown New cyst nematode discovered on corn in Tennessee, United States Aug. 8, 2007, 9 a.m.
Didymosphenia geminata First northeastern infestation of "didymo" in the United States July 27, 2007, 9 a.m.
Bactrocera invadens Bactrocera invadens found for the first time in India July 17, 2007, 9 a.m.
Darna pallivitta Nettle Caterpillar (Darna pallivitta) detected in Oahu, Hawaii nursery June 20, 2007, 9 a.m.
Poliaspis cycadis Poliaspis cycadis (Poliaspis cycad scale) detected for the first time in Florida June 11, 2007, 9 a.m.
Sweet potato chlorotic stunt virus First report of Sweet potato chlorotic stunt virus in North Carolina, United States April 11, 2007, 9 a.m.
Candidatus Phytoplasma pyri A New Type of Pear Decline Phytoplasma found in Asian Pears in Taiwan March 7, 2007, 9 a.m.
Mayetiola destructor Hessian fly, Mayetiola destructor, continues to challenge wheat breeding programs Jan. 30, 2007, 9 a.m.
Nectria coccinea var. faginata Beech bark disease continues to spread in Michigan Jan. 17, 2007, 9 a.m.
Candidatus Phytoplasma mali 'Candidatus Phytoplasma mali' found in Prunus Species in Europe. Jan. 16, 2007, 9 a.m.
Tetrastichus planipennisi Newly described parasite of Emerald ash borer (EAB) in China Dec. 22, 2006, 9 a.m.
Solanum sarrachoides Hairy nightshade found to be alternate host for potato late blight Dec. 14, 2006, 9 a.m.
Icerya genistae Icerya genistae in Barbados and the United States Dec. 7, 2006, 9 a.m.
Cucurbit yellow stunting disorder virus First report of Cucurbit yellow stunting disorder virus in Arizona and possibly California (pending DNA confirmation) Nov. 20, 2006, 9 a.m.
Bactrocera latifrons First detection of Bactrocera latifrons in Africa Oct. 31, 2006, 9 a.m.
Chalara fraxinea Intensive dieback of European Ash in Poland Associated with a Newly Described Fungal Species, Chalara fraxinea Sept. 15, 2006, 9 a.m.
Maconellicoccus hirsutus First report of pink hibiscus mealybug in George Town, Grand Cayman June 29, 2006, 9 a.m.
Colombian datura virus  Colombian datura virus expanding host range to other Solanaceous crops in Europe June 26, 2006, 9 a.m.
Grapevine flavescence dorée phytoplasma First report of grapevine flavescence dorée phytoplasma in Switzerland June 19, 2006, 9 a.m.
Globodera pallida  Update on potato cyst nematode, Globodera pallida, situation in Idaho June 15, 2006, 9 a.m.
Beet black scorch virus First U.S. Detection of Beet black scorch virus June 7, 2006, 9 a.m.
Planococcus minor Correction Alert: Planococcus minor, the passionvine mealybug, NOT in continental United States May 16, 2006, 9 a.m.
Rhytidodera bowringii Pest of Mango, Rhytidodera bowringii, intercepted at Florida Port April 28, 2006, 9 a.m.
Nysius huttoni New Zealand hitchhiker pest, Nysius huttoni, found in Europe April 26, 2006, 9 a.m.
Globodera pallida Potato cyst nematode, Globodera pallida, found in Idaho April 21, 2006, 9 a.m.
Phytophthora kernoviae Phytophthora kernoviae found for the first time in New Zealand April 5, 2006, 9 a.m.
Phytophthora alni Update on Alder Phytophthora and Potential New Hosts April 5, 2006, 9 a.m.
Phytophthora tropicalis First detection of Phytophthora tropicalis in the continental United States March 17, 2006, 9 a.m.
Lymantria dispar L. First find of the Asian Gypsy Moth (AGM), Lymantria dispar, in Texas Feb. 22, 2006, 9 a.m.
Fieberiella florii Fieberiella florii, a North American Leafhopper Confirmed as a Vector for Apple Proliferation Phytoplasma Feb. 21, 2006, 9 a.m.
Agrilus planipennis Update on Emerald Ash Borer (Agrilus planipennis) in Indiana Feb. 2, 2006, 9 a.m.
Phytophthora hedraiandra (de Cock & Man in’t Veld) First detection of Phytophthora hedraiandra in the United States and North America. Jan. 13, 2006, 9 a.m.
Xanthomonas axonopodis pv. citri USDA support of citrus canker eradication efforts terminated Jan. 13, 2006, 9 a.m.
Zaprionus indianus Florida fruit fly sampling efforts uncover first North American detection of Zaprionus indianus Jan. 3, 2006, 9 a.m.
Ampelopsis brevipedunculata Porcelainberry, Ampelopsis brevipedunculata, still spreading in the Eastern United States. Dec. 22, 2005, 9 a.m.
Ceratocystis species Sap stain fungi of conifers of potential quarantine concern to North America. Dec. 21, 2005, 9 a.m.


Canada Official Pest Report

United States Official Pest Report

Mexico Official Pest Report