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• Phylloxera • Stink Bugs • Fruit Flies • Spotted Lanternfly Mid-Late season insect management in vineyards • Phylloxera • Stink bugs • Fruit flies • Spotted lanternfly Photos: Andy Muza, Penn State Flor E. Acevedo Pre-bloom - summer Grape phylloxera, Daktulosphaera vitifoliae (Hemiptera: Phylloxeridae) Insecticides (foliar form): Assail Danitol Movento https://bugguide.net/node/view/794979 Photos (c) Prof. Dr. Joachim Schmid, Department of Grapevine Breeding and Grafting, Geisenheim Research Institute, Germany Root form Leaf form Mid-summer to pre-harvest Brown marmorated stink bug, Halyomorpha halys (Hemiptera: Pentatomidae) • Native to Asia • Polyphagous (over 100 plant species) • Detected in Allentown, PA in 1998 Photo: Andy Muza, Penn State Mid-summer to pre-harvest Photo by Steve Schoof Brown marmorated Dusky stink bug Brown stink bug Onespotted stink bug Rough stink bug stink bug Consperse stink bug (Euschistus tristigmus) (Euschistus servus) (Euschistus variolarius) (Euschistus conspersus) (Brochymena (Halyomorpha halys) quadripustulata) Photo: Brandon Woo Photo: Brent Short, USDA Photo: Brent Short, USDA Photo: Brent Short, USDA Photo: Brent Short, USDA Photo: Mike Quinn https://www.stopbmsb.org/stink-bug-basics/look-alike-insects/ Mid-summer to pre-harvest Brown marmorated stink bug Samurai wasp Natural enemies: (Trissolcus japonicus) Egg parasitoid Photo by the Oregon Department of Agriculture Insecticides: Material Rate per Acre Comments Source: 2020 New York and Pennsylvania Pest management guidelines for grapes Pre-harvest Fruit flies Spotted wing Drosophila Fruit fly Drosophila suzukii Drosophila melanogaster By Martin Hauser, source: https://amasianv.wordpress.com/tag/asian-shore-crab/ Pre-harvest Fruit fly ovipositors Crava et al., 2019. BioRxiv Pre-harvest • Close association of fruit flies with sour rot. • Fruit flies contribute to spread of sour rot. • Fruit flies carry yeast and bacteria. • Applications of insecticides + antimicrobials before symptoms appear (after 15 brix) help reduce sour rot. https://grapesandwine.cals.cornell.edu/sites/grapesandwine.cals.cornell. edu/files/shared/Research%20Focus%202017-3.pdf Pre-harvest Drosophila melanogaster insecticide resistance (documented and potential): • Mustang Maxx (zeta-cypermethrin, pyrethroid) • Danitol 2.4EC (fenpropathrin, pyrethroid) • Malathion 57% (organophosphate) • Malathion 5 EC (organophosphate) • Malathion 8 Aquamul (organophosphate) • Assail 30 SG (Acetamiprid, neonicotinoid) Pre-harvest Fruit fly pesticide management Material Rate per Acre Comments Source: 2020 New York and Pennsylvania Pest management guidelines for grapes Pre-harvest Fruit fly pesticide management Material Rate per Acre Comments Source: 2020 New York and Pennsylvania Pest management guidelines for grapes Pre-harvest to post-harvest Spotted lanternfly, Lycorma delicatula (Hemiptera: Fulgoridae) Image: Pennsylvania Department of Agriculture Pre-harvest to post-harvest SLF pesticide management Material Rate per Acre Comments Source: 2020 New York and Pennsylvania Pest management guidelines for grapes.
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