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Mating Disruption for Navel Orangeworm

CheckMate® Puffer® NOW Ace

Most reliable aerosol pheromone for navel orangeworm control

Puffer® NOW Ace  is Suterra’s aerosol pheromone formulation for navel orangeworm (NOW) mating disruption in nut crops, figs and other crops where the navel orangeworm is a pest.

As part of a comprehensive Integrated Pest Management (IPM) program, Suterra's mating disruption product cuts NOW damage by 50% or more and fights insecticide resistance. 

Emitted by our patented Puffer® device, NOW Ace is simple to use and offers a flexible deployment window. The single button auto-start feature will begin puffing when temps are in degree range. Pre-programmed for time zone and pest, this dust and waterproof emitter includes reliable batteries with heat shield material developed for NASA shuttles.

Why Growers Choose CheckMate® Puffer® NOW Ace

  • Flexible deployment window and fast to hang at just one unit per acre
  • Hang once for protection that lasts all season long
  • As part of a comprehensive IPM program, can cut damage by 50% or more
  • Consistent and precise release regardless of weather conditions
  • Reduces pest populations
  • Fights development of insecticide resistance
  • Does not harm beneficial insects
  • No pre-harvest interval
  • Free collection, recycling and refurbishment of all Puffer materials through our Clean Orchard Promise

Application Rate

1 per acre

Item #


Available In


Damage Reduction

The addition of CheckMate® Puffer® NOW Ace™ into a comprehensive IPM program cuts navel orangeworm damage by 50% or more.

% Nut Damage

Trap Inhibition

CheckMate® Puffer® NOW Ace™ hinders the ability of males to find pheromone traps as compared to areas treated with grower standard practices.

Non Mating Disruption Reference | CheckMate® Puffer® NOW Ace

NOW Trap Captures


Download Datasheet

Safety Datasheet

Download SDS


Download Label

Deployment Guide

Download NOW Ace Deployment Guide


Navel Orangeworm

(Amyelois transitella)

Almonds, pistachios, figs, walnuts, and other
organic crops where NOW is present

Monitor mating disruption using large delta traps with BioLure® NOW

Hang traps early in the season (March)

At least 1 trap per 15-20 acres; minimum 2 traps per block

Check traps weekly, replacing lures monthly

Replace trap liner as needed to ensure stickiness

Use egg traps with almond meal for added info on female pest dynamics

Use hull split assessments for best indication of pest populations

Navel orangeworm causes yield losses and
facilitates aflatoxin contamination.

Monitoring Guide

NOW Monitoring Guide

Identification of Navel Orangeworm

(Amyelois transitella)

Navel Orangeworm Illustration


The Science of Microencapsulated Pheromone Technology

The Science of Microencapsulated Pheromone Technology

Apr 17, 2023 10:37:55 AM

Suterra is a global leader in pheromone mating disruption. We manufacture our own active ingredients and the various pheromone delivery systems we...

Almonds in hand post-harvest.

Protect Almond Crops By Removing Mummy Nuts

Sep 8, 2021 2:57:53 PM

Navel orangeworm is the primary insect pest almond growers in California must manage. When it comes to minimizing damage caused by this pest, one...

Demonstration of Different Application Methods for CheckMate® NOW-F Sprayable Mating Disruption

Demonstration of Different Application Methods for CheckMate® NOW-F Sprayable Mating Disruption

May 11, 2023 2:14:00 PM

Suterra’s mating disruption technology offers the industry the longest-acting sprayable option to protect nut crops from navel orangeworm (NOW)...

Sprayable Pheromone Mating Disruption 101

Sprayable Pheromone Mating Disruption 101

Aug 10, 2021 2:45:35 PM

On this episode of Suterra's Trap Talk podcast, Karli Petrovik interviews Dr. Emily Symmes, a PhD in Entomology from the University of California and...

Why hull split is a critical time for navel orangeworm control

Why hull split is a critical time for navel orangeworm control

May 16, 2024 1:56:00 PM

With hull split approaching, protecting this season’s almond crop from navel orangeworm (NOW) damage is a top priority. What is in your sprayable...

Solutions for Navel Orangeworm

Fighting navel orangeworm damage with mating disruption has never been easier. Puffer® NOW Ace, Puffer® NOW-O Ace Organic and CheckMate® NOW-F give you the damage protection you need and flexible deployment options to fit your IPM program.

View all NOW Products