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Tandem
Put up a dual defense against more than 90 pests

Tandem® insecticide offers the versatility of two active ingredients and two modes of action for flexible, systemic control of a wide range of pests.

Buy Here Product Details Features & Benefits Packaging Options Supporting Materials Performance Videos FAQ Related Products PestPartners 365 Where to Buy News x
  • AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY,

Buy Here

BWI Companies, Inc.
Forshaw, Inc.
Helena Agri-Enterprises, LLC
Heritage PPG
Oldham Chemicals Company, Inc.

Pest Management Supply
SiteOne Landscape Supply LLC
Superior-Angran Inc.
Target Specialty Products
Veseris

Product Details

Tandem Insecticide

Tandem combines the power of two proven active ingredients, lambda-cyhalothrin and thiamethoxam, to provide a double assault on pests with one product. Formulated with iCAP technology™, Tandem provides quick knockdown and long-lasting control of more than 90 pests indoors and outdoors.

Active Ingredients:

Lambda-cyhalothrin, Thiamethoxam

HRAC/FRAC/IRAC Classification:

Group 3A, 4A Insecticide

EPA#:

100-1437

Label Downloads

Current EPA - Approved Label Previous EPA - Approved Label Safety Data Sheet

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        Special Labels
        Worker Safety
        x

                  Restricted Entry Interval:

                  PPE required for Applicators, Mixers or Loaders:

                  PPE required for Early-Entry Workers:

                  Select a state from the menu below:

                  Label Downloads

                   Current EPA - Approved Label  Previous EPA - Approved Label  Safety Data Sheet

                  Product Benefits

                  • Its ZC formulation with iCAP technology contains microcaps of multiple sizes that ensure a controlled released of lambda-cyhalothrin, offering protection against harsh environmental elements
                  • As a non-repellent product, it moves through plants systemically for additional control of homopterous pests like aphids, which are a primary food source for ants
                  • Flexible for applications indoors and outdoors, as well as in food-handling establishments, as directed by the product label
                  • Can be used as part of the SecureChoiceSM Spider Assurance Program for proven spider control

                   

                   

                  Packaging Options

                  Tandem 1-quart bottle
                  1-qt. bottle
                   
                  Tandem 2-quart bottle
                  2-qt. bottle

                  Supporting Materials

                  Featured Downloads:

                  Ant Service Guidelines
                  Ants are social insects that colonize, forage and nest. Their complex nature means each specie...
                  View or Download >
                  ANTSwers Flip Book
                  A practical guide for identifying, understanding and controlling ants.
                  View or Download >
                  Fall Invaders - Management of Overwintering Pests
                  Keep out fall invaders such as cluster flies, box elder bugs and brown marmorated stink bugs.
                  View or Download >
                  PPM Product Guide
                  Learn about the features and benefits of all products in the Syngenta portfolio.
                  View or Download >
                  Syngenta Service Container Stewardship Program
                  By purchasing select Syngenta products according to the specifications in this sheet, pest mana...
                  View or Download >
                  Tandem Sell Sheet
                  Learn more about Tandem, which can control more than 90 pests with two modes of action.
                  View or Download >

                  Videos

                  Proper Insecticide Application Techniques For Using a Power Rig (2:00)

                  How to Properly Mix Insecticide in a Power Rig (2:38)

                  Tandem Insecticide Puts Up a Dual Defense Against 90+ Pests (1:31)

                  How to Choose the Right Formulation for Perimeter Insect Control – Pest Insights (1:12)

                  Controlling Ant Infestations – Pest Insights (2:00)

                  FAQs

                  Related Products

                  PestPartners 365

                  A Part of PestPartners 365
                  Receive yearlong rebates on purchases of Tandem with the PestPartnersSM 365 Program. Benefits of being a PestPartners 365 member:
                  • Purchase your choice of any Syngenta Professional Pest Management products to become a member
                  • No sign-up or program forms are required
                  • Defer payment on select products with SummerPay™ terms
                  Learn More
                  A Part of PestPartners 365

                  Where to Buy

                  We are proud to build partnerships in the pest management industry. Below is a list of Syngenta distributors.
                  • BWI Companies, Inc.
                    (903) 838-8561
                    www.bwicompanies.com
                  • Forshaw, Inc.
                    (704) 372-6790
                    www.forshaw.com
                  • Helena Agri-Enterprises, LLC
                    (901) 761-0050
                    www.helenaprofessional.com
                  • Heritage PPG
                    (984) 209-0396
                    www.heritageppg.com
                  • Oldham Chemicals Company, Inc.
                    (800) 888-5502
                    www.oldhamchem.com
                  • Pest Management Supply
                    (312) 791-1211
                    www.pestmanagementsupply.com
                  • SiteOne Landscape Supply LLC
                    (800) 748-3663
                    www.siteone.com
                  • Superior-Angran Inc.
                    (Puerto Rico Only)
                    (787) 774-1990
                    www.superiorangran.com
                  • Target Specialty Products
                    (877) 601-0643
                    www.target-specialty.com
                  • Veseris
                    (800) 888-4897
                    www.pestweb.com

                  Related News

                  • GetGet super savings all year long with the 2025 PestPartners 365 Program

                    As a pest management professional (PMP) working hard to provide your customers with a life uninterrupted by pests, having the right tools and support is important for achieving this. The 2025 PestPartners℠ 365 Program from Syngenta offers access to resources and solutions fit for a pest control superhero so you can deliver outstanding pest control while generating significant savings for their businesses year-round.

                    • As a pest management professional (PMP) working hard to provide your custom...

                  • SaveSave on the full portfolio of Syngenta products with the 2025 PestPartners 365 Program

                    Syngenta has kicked off the PestPartners℠ 365 Program for 2025. The program offers savings on a full portfolio of Syngenta products, an Early Order Bonus rebate, SummerPay™ program terms, free digital tools and more.

                    • Syngenta has kicked off the PestPartners℠ 365 Program for 2025. The program...

                  • TandemTandem provides spotted lanternfly control

                    The spotted lanternfly was first identified in Berks County Pennsylvania in 2014.

                    • The spotted lanternfly was first identified in Berks County Pennsylvania in...

                  • HowHow to achieve success against ants

                    Managing structural-infesting nuisance ants is a multi-step process. Ants have complex and diverse nesting biology and foraging behaviors, so identifying the type of ant you are dealing with should always be the first step in any ant service treatment.

                    • Managing structural-infesting nuisance ants is a multi-step process. Ants h...

                  View More Articles
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                  All photos and videos are either the property of Syngenta or are used with permission.

                  Performance assessments are based upon results or analysis of public information, field observations and/or internal Syngenta evaluations.

                  Trials reflect treatment rates and mixing partners commonly recommended in the marketplace.

                  © 2022 Syngenta. Important: Always read and follow label instructions. Some products may not be registered for sale or use in all states or counties and/or may have state-specific use requirements. Please check with your local extension service to ensure registration and proper use. The trademarks or service marks displayed or otherwise used herein are the property of a Syngenta Group Company. All other trademarks are the property of their respective owners. Syngenta Customer Center: 1-866-SYNGENT(A) (796-4368).

                  © Syngenta. Important: Always read and follow label instructions. Some products may not be registered for sale or use in all states or counties and/or may have state-specific use requirements. Please check with your local extension service to ensure registration and proper use. The trademarks displayed or otherwise used herein are trademarks or service marks of a Syngenta Group Company or third parties. Syngenta Customer Center: 1-866-SYNGENT(A) (796-4368).

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