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Quasar 8.5 SL provides instant knockdown and long-lasting control of a wide variety of target insects on residential and commercial landscapes, ornamentals, lath houses, greenhouses, and nurseries. It contains Acetamiprid as its active ingredient which helps kill on contact and through ingestion. It provides a systemic and translaminar activity for a long residual control that continuously works for up four weeks. It supports complete life cycle control and is effective against aphids, caterpillars, leaf-eating beetles, leaf miners, scales, mealy bugs, thrips, whiteflies, and more. This soluble liquid features an easy-to-mix, odorless formula, plus it can be used stand-alone or as a tank-mix partner, making it a great solution to resistance management program. This product is a great alternative to TriStar 8.5 SL Insecticide.
Available sizes:
Product Documents
Active Ingredient | Acetamiprid - 8.5% |
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Target pests | Aphids, Beetles, Borers, Budworms, Caterpillars, Fleahoppers, Fruitworms, Husk flies, Katydid, Leafhoppers, Leafminers, Maggots, Mealybugs, Melonworms, Moths, Pickleworms, Plantbugs, Psylla, Rootworms, Scales, Spittlebug, Thrips, Weevils, Whiteflies. |
For use in | Commercial and residential landscape, Greenhouses, Landscape ornamentals, Lath houses, Nurseries. |
Pet safe | Yes, if used as directed on label. |
Formulation | Soluble Liquid. |
NOT FOR SALE TO |
AK, ME, SD, WY AZ, CO, CT, MA, MD, NJ, NV, NY, RI, VT (Restricted To Licensed Applicators Only) |
Special Features | Excellent tank-mix partner, making it an effective part of a resistance management program. |
Shipping Weight | 2.58 lbs |
Manufacturer | Atticus LLC (Mfg. Number: 530003) |
EPA Registration | 91234-16 |
It is a violation of Federal law to use this product in any mariner inconsistent with its labeling.
Read entire label before using this product.
Do NOT use this product for woodland or forest management.
Do not apply this product in a way that will contact workers or other persons, either directly or through drift. Only protected handlers may be in the area during application.
For any requirements specific to your State or Tribe, consult the agency responsible for pesticide regulation.
PRODUCT SPECIFIC USE DIRECTIONS
This product is intended to be applied by PROFESSIONAL APPLICATORS ONLY for insect control on listed Vegetable Transplants grown outdoors or indoors, annual and perennial Ornamental and Flowering Plants, and Non-bearing Deciduous and Evergreen Fruit and Nut Trees, Shrubs and Vines. Non-bearing means crops that will not produce a harvestable raw product in the season that product is applied.
For control of listed insect pests, apply as a foliar broadcast spray to obtain thorough and uniform coverage of the plants or via basal bark or injection treatment. When making foliar broadcast applications, this product must be mixed in sufficient water to assure complete coverage based on the size and amount of plant foliage. Make applications as soon as pest pressure thresholds are reached and at least six hours must elapse prior to applying overhead irrigation. Do NOT allow anyone other than applicators to enter the treatment area during application. If more than one application will be made, refer to the Resistance Management section of this label for additional information.
Foliar Broadcast Sprays
Mix this product with sufficient water and apply as a foliar spray to obtain thorough and uniform coverage of the plants. Choose a finished spray volume appropriate for plant size and amount of foliage to provide thorough coverage throughout the canopy.
Tank Mix Instructions
This product has been shown to be compatible with many other insecticides and adjuvants; however, test specific tank mixes for compatibility prior to use. In addition, because of the large number of plant varieties it is impossible to test every one for safe use; therefore, conduct safety tests on a few plants prior to widespread application.
ORNAMENTAL AND FLOWERING PLANTS
Base application timing on the pest pressure and in consultation with local agricultural experts. Test any surfactants used with this product prior to widespread use to verify plant damage will not occur. For optimal pest control, thorough crop coverage is essential and use whatever water volume is needed to ensure thorough coverage. Monitor pest densities to determine if application is necessary. Consult local extension experts for thresholds.
Use the higher rate in the range when pest pressures are severe.
SPECIFIC INSTRUCTIONS
PESTS:
Aphids (including Cotton, Green Peach, Melon and Wooly), European Pine Sawfly, Psyllids. Application Use Rate: Apply 4.0 fluid ounces of this product combined with a non-ionic spreader/sticker adjuvant per 100 gallons.
Leafhoppers (including Glassy Wing Sharpshooter and Potato), Mealybugs (including Citrus, Longtail, Maderia, Obscure and Pink Hybiscus), Tentiform Leaf Miner. Application Use Rate: Apply 8.5 fluid ounces of this product per 100 gallons.
Adelgids, Caterpillars (including Asian Cycad Scale, Cabbage Looper, Diamondback Moth, Fall Army Worm, Gypsy Moth, Southern Army Worm and Tobacco Bud Worm), Hard and Soft Scales (including Caribbean Black Scale, Cottony Maple Scale, Euonymus Scale, Fletcher Scale, Florida Wax Scale, Green Shield Scale, Indian Wax Scale, Oyster Shell Scale, Pine Needle Scale, San Jose Scale and Tea Scale), Whiteflies (including Banded, Giant, Greenhouse, Silverleaf and Sweet Potato), Swede Midge. Application Use Rate: Apply 8.5- 16.5 fluid ounces of this product per 100 gallons.
Crane Fly Larvae, Fungus Gnat Larvae. Application Use Rate: Apply 8.5- 16.5 fluid ounces of this product per 100 gallons as a directed spray to the soil being sure that the upper 1/2-1 inch of the soil is thoroughly moistened.
Citrus and Other Thrips (including Cotton, Palm, and Western Flower Thrips), adult Leaf Eating Beetles (including European Chafer, Japanese Beetle and Oriental Beetle), Strawberry Weevils. Application Use Rate: Apply 12.5-25.3 fluid ounces of this product per 100 gallons.
Leaf Miners (including Chrysanthemum and Citrus Leaf Miner). Application Use Rate: Apply 21.0-25.3 fluid ounces of this product per 100 gallons rotated or tank mixed with Avid, ConserveTM PedestalTM, Distance, Enstar, or Talus.
USE RESTRICTIONS
BLUEBERRIES AND OTHER BUSH and CANEBERRIES (within Crop Sub-Groups 13-07A and B) Grown for Propagation [Non-Bearing or Vegetative] – Aronia Berry; Blackberry, Blueberry, highbush & lowbush; Buffalo Currant; Chilean Guava; Currant, red & black; Elderberry; European Barberry; Gooseberry; Cranberry, Highbush; Honeysuckle, edible; Huckleberry; Jostaberry; Juneberry; Lingonberry; Loganberry, Native Currant; Raspberry (black and red), Salal; Sea Buckthorn, Wild Raspberry and cultivars, varieties and/or hybrids of these.
For optimal pest control, thorough crop coverage is essential.
Use the higher rate in the range when you are unsure of the susceptibility of the aphid or thrips species or when the aphid or thrips species is unknown.
SPECIFIC INSTRUCTIONS
PESTS:
Aphids, Leafhoppers - Application Use Rate: Apply 7.9-16.8 fluid ounces (0.047-0.10 pounds active ingredient) of this product per 100 gallons.
Whitefly - Application Use Rate: Apply 12.6-16.8 fluid ounces (0.07-0.10 pounds active ingredient) of this product per 100 gallons.
Japanese Beetle, Blueberry Maggot, Sap Beetles, Tarnished Plant Bug, Strawberry Rootworm, Cherry Fruitworm, Cranberry Fruitworm, Flea Beetle, Spanworm, Thrips, Blueberry Gall Midge, Western Raspberry Fruit Worm (adult) - Application Use Rate: Apply 14.2-16.8 fluid ounces (0.08-0.10 pound active ingredient) of this product per 100 gallons.
USE RESTRICTIONS
STRAWBERRIES and OTHER LOW GROWING BERRIES (within Crop Sub-Group 13-07G) Grown for Propagation [Non-Bearing or Vegetative] – Bearberry; Bilberry; Blueberry, Lowbush; Cloudberry; Cranberry; Lingonberry; Muntries; Partridgeberry; Strawberry and cultivars, varieties, and/or hybrids of these.
For optimal pest control, thorough crop coverage is essential. If under heavy pressure by any of the pests listed below, use the high rate listed in the range.
Use the higher rate in the range when you are unsure of the susceptibility of the aphid or thrips species or when the aphid or thrips species is unknown.
SPECIFIC INSTRUCTIONS
PESTS:
Blueberry Maggot, Spanworm, Cherry Fruitworm, Cranberry Fruitworm, Flea Beetle, Japanese Beetle, Oblique Banded Leaf Roller, Plantbugs (Lygus spp.), Sap Beetles, Thrips, Whiteflies, Fireworm (suppression only), Gypsy Moth, Sparganothis Fruitworm, Cranberry Tipworm. Application Use Rate: Apply 6.0-12.6 fluid ounces (0.036-0.07 pounds active ingredient) of this product per 100 gallons.
Aphids, Leafhoppers, Spittlebug. Application Use Rate: Apply 12.6-21.8 fluid ounces (0.07-0.13 pounds active ingredient) of this product per 100 gallons.
USE RESTRICTIONS
VEGETABLE TRANSPLANTS
COLE CROPS - Broccoli, Chinese Broccoli (Gai Lon), Broccoli Raab (Rapini), Brussels Sprouts, Cabbage, Chinese Cabbage (Bok Choy, Napa), Chinese Mustard Cabbage (Gai Choy), Cavalo Broccoli, Cauliflower, Collards, Kale, Kohlrabi, Mizuna, Mustard Greens, Mustard Spinach, Rape Greens
CUCURBITS - Chayote (fruit), Chinese Waxgourd (Chinese Preserving Melon), Citron Melon, Cucumber, Gherkin, Gourd (edible), Mormordica spp., Muskmelon (hybrid and/or cultivars of Cucumis melo), Pumpkin, Squash (summer and winter), Watermelon
FRUITING VEGETABLES - Eggplant, Groundcherry, Pepino, Pepper (Bell Pepper, Chili Pepper, Cooking Pepper, Pimento, Sweet Pepper), Tomatillo, Tomato
LEAFY VEGETABLES - Amaranth, Arugula, Cardoon, Celery, Chinese Celery, Celtuce, Chervil, Chrysanthemum (edible leaved, garland), Corn Salad, Cress (garden, upland), Dandelion, Dock, Endive, Florence, Fennel, Lettuce (head, leaf), Orach, Parsley, Purslane (garden, winter), Radicchio, Rhubarb, Spinach (leaf, vine, New Zealand), Swiss Chard
ONIONS AND OTHER BULB VEGETABLES - Chives, fresh leaves; Chinese Chives, fresh leaves; Daylily bulbs, Elegans Hosta, Fritillaria leaves and bulbs; Bulb Garlic; Great Headed Bulb Garlic, Serpent Bulb Garlic; Kurrat; Lady’s Leek, Leek; Wild Leek; lily bulb; Beltsville bunching onion; bulb onion; Chinese bulb onion; fresh onion; green onion; macrostem onion; pearl onion; potato bulb onion; treetops onion; Welsh onion tops; shallot bulb and fresh leaves; and cultivars, varieties, and/or hybrids.
Base application timing on the pest pressure and in consultation with local agricultural experts. Test any surfactants used with this product prior to widespread use to verify plant damage will not occur. For optimal pest control, thorough crop coverage is essential and use whatever water volume is needed to ensure thorough coverage.
Use the higher rate in the range when pest pressures are severe.
SPECIFIC INSTRUCTIONS
PESTS:
Aphids (including Cotton, Green Peach, Melon and Wooly), Psyllids. Application Use Rate: Apply 4.0 fluid ounces of this product combined with a non-ionic spreader/sticker adjuvant per 100 gallons.
Leafhoppers (including Glassy Wing Sharpshooter and Potato), Mealybugs (including Citrus, Longtail, Maderia, Obscure and Pink Hybiscus). Application Use Rate: Apply 8.5 fluid ounces of this product per 100 gallons.
Caterpillars (including Asian Cycad Scale, Cabbage Looper, Diamondback Moth, Fall Army Worm, Gypsy Moth, Southern Army Worm and Tobacco Bud Worm), Hard and Soft Scales (including Caribbean Black Scale, Cottony Maple Scale, Euonymus Scale, Fletcher Scale, Florida Wax Scale, Green Shield Scale, Indian Wax Scale, Oyster Shell Scale, Pine Needle Scale, San Jose Scale and Tea Scale), Plant Bugs, Whiteflies (including Banded, Giant, Greenhouse, Silverleaf and Sweet Potato), Swede Midge. Application Use Rate: Apply 8.5-16.5 fluid ounces of this product per 100 gallons.
Crane Fly Larvae, Fungus Gnat Larvae. Application Use Rate: Apply 8.5-16.5 fluid ounces of this product per 100 gallons as a directed spray to the soil being sure that the upper 1/2-1 inch of the soil is thoroughly moistened.
Thrips (including Citrus, Cotton, Palm, and Western Flower Thrips), adult Leaf Eating Beetles (including European Chafer, Japanese Beetle and Oriental Beetle), Strawberry Weevils. Application Use Rate: Apply 12.5-25.3 fluid ounces of this product per 100 gallons.
Leaf Miners (including Chrysanthemum and Citrus Leaf Miner). Application Use Rate: Apply 21.0-25.3 fluid ounces of this product per 100 gallons.
USE RESTRICTIONS
*SEE LABEL FOR COMPLETE LIST OF PESTS CONTROLLED AND APPLICATION RATES AND INSTRUCTIONS.
ENVIRONMENTAL HAZARDS
This product is toxic to wildlife. This product is toxic to bees and other pollinating insects exposed to direct treatment. Do not apply this product while bees or other pollinating insects are foraging in the treated area. Risk to managed bees and native pollinators from contact with pesticide spray or residues can be minimized when applications are made at dawn or dusk or when temperature is below 55°F at the site of application. Do not apply directly to water, or to areas where surface water is present or to intertidal areas below the mean high water mark. Do not contaminate water when disposing of equipment washwater or rinsate. Do not contaminate water used for irrigation or domestic purposes. ENDANGERED SPECIES PROTECTION REQUIREMENTS: This product may have effects on endangered species. When using this product, you must follow the measures contained in the Endangered Species Protection Bulletin for the county in which you are applying the product.
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North Texas DFW Area. Black bark scale on Crape Myrtles
According to the Quasar 8.5 SL Product Label: for control of black scale and other forms of scale and insects on ornamentals you would apply 8.5-16.5 fluid ounces of this product per 100 gallons. This comes out to 0.08 to 0.165 oz per gallon for ornamental applications. If you are planning to do a bark banding treatment for the scale you would apply 12.5-25.3 fluid ounces per gallon of water in mid Spring between bud break and full leaf expansion.
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Quasar 8.5 SL Insecticide
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