Navel Orangeworm Navel OrangewormAlmonds (NOW) & Pistachios MonitoringAmyelois Guidelines transitella

For Monitoring Mating Disruption Performance

MONITORING GUIDE transitella Materials and Methods

Traps Suterra® Large Plastic Delta Trap (shown at right)

Lures Egg Traps with almond meal bait for females

Trap Density At least 1 pheromone trap per 5 to 40 acres; minimum of 2 per block Refer to UC IPM guidelines or your PCA for recommendaƟons

2 - 4 egg traps per each pheromone trap Suterra® Large Plastic Good Place NOW pheromone lure in the Large Plastic Delta Delta Trap Practices Trap every 5-6 weeks

Check traps weekly and replace dirty liners

Check egg traps weekly and record egg presence; remove eggs with toothbrush; replace almond meal bait monthly

Additional Use Egg Traps to determine local biofix; this can provide Techniques the starting point for accumulating Degree Days Use Degree Day models to track pest phenology and plan treatments

® Increase trap density in known “hot spots” Suterra Egg Trap

Sources: UC IPM Guidelines UC IPM Degree Day Models: hƩp://ipm.ucanr.edu/WEATHER/index.html Snout-like projection Adult Pest Identification

Adult Males Snout-like projection at front of head Length 10-15mm (1/4 - 3/4 in.) NOW appears in light or dark gray form

Forewings have indistinct patterns of shades of gray, in light or dark form

Hind wings are plain gray color

Source: UC IPM Guidelines

Common Misidentified Forewings have indistinct Farinalis Easy to distinguish: Distinctive brown patterns of gray (Meal ) patterns on wings

Often found in traps, similar in size to NOW Source: UC IPM Guidelines

For Technical Training on Monitoring: Contact your Suterra® Representative © 2020 Suterra LLC. All rights reserved. Suterra®, CheckMate® and the accompanying logos are trademarks of Suterra LLC. No part of this document Made in may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of Suterra LLC. © 2018 Suterra LLC. All rights reserved. Suterra® Monitoring Guidelines are suggestions only and Suterra®, CheckMate®, BioLure® and may vary depending upon circumstances. Always read and the accompanying logos are trademarks of Suterra LLC. follow individual label directions or consult with licensed MADE IN USA agricultural pest control advisers for recommendations. Navel Orangeworm (NOW) Amyelois transitella Navel Orangeworm Almonds & Pistachios Monitoring Guidelines MONITORING GUIDE

Pistachios: Crop Damage Assessments Amyelois transitella

Timing Early to mid hull split

Sample Size and At least 1,000 units distributed across Examination 50 trees per block

Look for eggs and/or frass

Damage Early hull splits can provide most useful Recognition information on pest pressure

Pistachio: NOW Sources: UC IPM Guidelines

Almonds: Crop Damage Assessments

Timing Early to mid hull split

Sample Size and At least 1,000 units distributed across Examination 50 trees per block

Look for eggs and/or frass

Damage Early hull splits can provide most useful Recognition information on pest pressure

Almond: early hull split Almond: NOW larvae Sources: UC IPM Guidelines

Larvae Identification

Length 1.0 - 1.5 mm length Pink in color with a dark colored head (0.4 - .06 in.)

Crescent-shaped marking on the Crescent-shaped marking second segment of each side, behind the head

Source: UC IPM Guidelines

Additional Resources Degree Day Models 1. UC IPM: hƩp://ipm.ucanr.edu/WEATHER/index.html The use of Mating Disruption tools should be part of an overall Integrated Pest Management (IPM) program. The use of other pest control measures may be necessary and should be based on proper pest monitoring and field scouting The use of Mating Disruption tools should be part of an overall Integrated Pest Management Made in (IPM) program. The use of other pest control measures may be necessary and should be based on properFor pest Technicalmonitoring and Training field scouting. on Monitoring: Contact your Suterra® Representative

© 2018 Suterra LLC. All rights reserved. Suterra® Monitoring Guidelines are suggestions only and Suterra®, CheckMate®, BioLure® and may vary depending upon circumstances. Always read and the accompanying logos are trademarks of Suterra LLC. follow individual label directions or consult with licensed MADE IN USA agricultural pest control advisers for recommendations.