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Bayer CropScience

Dylox 420 SL Insecticide - 2.5 Gal Container EPA Reg. No. 432-1464

2 reviews
Usually Ships in 1-2 days
Keep residential lawns and commercial landscaping free of surface-feeding insects with Dylox 420 SL insecticide. With its primary ingredient, Dylox 420 SL quickly knocks down grubs and other pests on lawns, trees and shrubs. It's safe for use on landscape ornamentals and provides total control in less than 24 hours.

Features and Specifications

Active Ingredient(s) Trichlorfon, Dimethyl (2,2,2-trichloro-1-hydroxy-ethyl)phosphonate, 6.2%
Pest Control White Grub Larvae (such as larvae of Asiatic garden beetle, black turfgrass ataenius, European chafer, green June beetle, Japanese beetle, Aphodius spp., May or June beetles (Phyllophaga spp.), northern and southern masked chafers (Cyclocephala spp.), oriental beetle and sugarcane grubs (Tomarus spp.)), Mole crickets, Annual bluegrass weevil, Sod webworms, cranberry girdler, Cutworms
Sale Prohibited NY, CA
Shipping Rate Free
EPA Registration 432-1464

How Dylox Dylox 420 SL Insecticide Works

Dylox 420 SL insecticide works effectively thanks to trichlorfon, a chemical ingredient that targets the nervous system of various soil insect pests. It works by contact and ingestion, controlling grub larvae and other labeled insects. In fact, it's the go-to product for eliminating third-instar grubs late in the season.

Where to Use Dylox 420 SL Insecticide

Use Dylox 420 SL insecticide anywhere grubs and other soil insects threaten flowers, shrubs and trees. It's labeled for use on residential lawns, commercial landscaping and recreational areas such as golf courses. Do not, however, apply Dylox 420 SL within 25 feet of rivers, lakes or any body of water as it negatively impacts fish.

Target Pests

Though Dylox 420 SL insecticide targets and controls grubs, it also works to kill various soil-dwelling pests such as armyworms. When pests infest lawns, predators such as birds and raccoons will damage the soil as they feed on the insects. Dylox ensures a pest-free lawn and prevents unnecessary damage from certain wildlife. Other target insect pests include:

  • Armyworms
  • Chinch bugs
  • Mole crickets
  • Sod webworms


Eliminate Grubs With Dylox 420 SL Insecticide

The active ingredient in Dylox 420 SL insecticide works quickly and penetrates thatch to target grubs and other surface-feeding pests. It goes to work right after irrigation and keeps the targeted pests off lawns, trees and shrubs throughout residential, commercial and recreational areas.


It is a violation of Federal law to use this product in a manner inconsistent with its labeling. 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 regulations.


For additional information on this product please reference the CDMS label database listed below



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Customer Reviews
5 Based on 2 Reviews
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Filter Reviews:
    David H.
    United States United States
    I recommend this product

    Online Insecticide Order - order process was surprisingly pleasant

    I felt I was taking a chance, ordering an item for the lowest price I could find and from a seller I had never heard of. Happily, my item was shipped even sooner than I could have hoped for. Additionally, the item was better packed than anything I’ve ever received from you-know-who. I won’t hesitate to order from Phoenix Environmental Design again. Great job!

    Ed N.
    United States

    excellent product

    Killed the grubs in my 2 acre yard within a few days. No more racoon and skunk digging up the turf every night.