DIY Materials and Tools
Netting for mulch piles, traps, crown wraps
Note: There are many sources selling “CRB” netting.
To be effective, netting must meet the following specifications:
Mesh: ~½-inch square (≈12–13 mm)
Twine thickness: ~0.33 mm
Material: Monofilament nylon
See our Netting Page
CRB Action Kauai is working with a number of partners to make protective netting and traps available at no cost to property owners and community partners. Please check this website for updates on those discussions or join our mailing list to receive news on any developments.In the meantime:
MEMPHIS: 1-888-674-7638 — memphisnet.net
LEE FISHER:1-800-356-5464 — leefisherfishing.com (IN STOCK AS OF 5/5/26)
BRUNSON:1-251-943-6911 — brunsonnet.com
Pyrethroids
Per HDAB Pesticides Branch
SYNGENTA DEMAND CS:
On-label for use near houses, buildings, etc. | Amazon
MGK ONEGUARD :
Note: Off-label for properties with residences. | Amazon
Essential Oil Formula Ingredients
Basil Essential Oil 4 oz | Buy Here • Basil Oil 1 gallon | Buy Here
Clove Essential Oil 4 oz| Buy Here • Clove Oil 1 gallon | Buy Here
Thyme Essential Oil 128 oz | Buy Here
Neem Oil 128 oz | Buy Here
Hi-Yield Spreader Sticker 8oz | Buy Here
Castile Soap 1 gallon | Buy Here
Sprayer and Extension Tools
For applying crown treatments, deterrents, essential oils, pyrethrins and pyrethroids. For CRB crown treatments, the goal is to direct the spray into the center of the crown and around the bases of the fronds where CRB enter the palm.
Flowzone Typhoon3 Backpack Sprayer (spray reach up to 30 ft) | Buy Here | Buy Extension Here (54 ft)
Dewalt Backpack Sprayer & Wand Extender | 1-800-311-9903 | Buy Here
Milwaukee M18 4-Gal. Backpack Sprayer w/ Switch Tank | 808-632-2740 | Buy Tool Here | Buy Battery
Milwaukee 2-Gal. Lithium-Ion Cordless Handheld Sprayer Kit w/ 2.0 Ah Battery & Charger | 808-632-2740 | Buy Here
Not sure which treatment to use? See Treatment Materials Explained for information about pyrethrins, pyrethroids and other CRB treatments.
Traps
See the Traps page for directions.
Phermones | Buy Here
ChemTica Internacional S.A.
Manufacturer and Distributor of Pheromones, Attractants, Repellents, Traps for Integrated Pest Management Systems in North America:
Chemtica USA | Website
(903) 819-4956
ctusa@chemtica.com
Wax Cups
• CRB Defense Hawai’i | Website
Directions and ordering options for CRB Defense Wax Cups.
Neem Meal
• Waikahe Farms | Website
808-346-0961 and 808-346-3433
• Nutrient Ag | Contact Gabriel Nelson | 808-594-9640
Free Netting and Traps
Visit www.crbhawaii.org/community and fill out a support request for free supplies.