Stored Product Pest - Know Your Enemy John B. Mueller FPA is an organization of Regional companies formally organized to provide National capabilities of:
Pest Management / Food Safety
Fumigation
Alternatives to Fumigation Coverage in North America Our Service Philosophy
Proactive Communication at all levels preventative action
When needed - apply the most effective control method that complements our Monitoring systems customers’ activities Topics
. Know your enemy! . SPI Identification, Biology and Habits. . Understand their capabilities. We want to convince you: . “Weevily” and “Brand Bugs” are not enough.
. These terms alone do not help you manage your grain. What does the professional need?
Training: Insect ID
SPI Training 101:
All bugs are insects but not all insects are bugs!
The professional term is – INSECT OR INSECTS… Metamorphosis
Manipulating Insects
►Temperature Fumigation Success
140 120 Post 100 Optimal Embryonic 80 Egg Decline 60
40
20
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Anatomy of an Insect
Antenna Head Compound Eye Thorax Wing (Fore &Hind wing)
Three Pairs of Abdomen Legs
Fruit Fly Grain Insect Groups – Internal Feeders – Secondary Feeders – Mold Feeders – Mites and “Mite Like”
Rice Weevil & Granary Weevil Sitophilus oryzae Sitophilus granarius
Round pits Oval pits on thorax on thorax
Four light colored Uniform areas on brown elytra elytra New Range for Weevil Angoumois Grain Moth
Tan colored wings
Small dark spot on each wing
Feathery tips Lesser Grain Borer
Three segmented antennae Bumps on front of thorax Tips of elytra rounded
SOME PHOSPHINE RESISTANCE Lesser Grain Borer Grain Insect Groups – Secondary Feeders
SOME PHOSPHINE RESISTANCE Red & Confused Flour Beetles
Last 3 segments enlarged
Small space between eyes
Last 4 segments gradually larger
Larger space between eyes Red & Confused Flour Beetles Saw‐toothed & Merchant Grain Beetles
Oryzaephilus surinamensis Oryzaephilus mercator Temple behind Temple behind eye is much eye is nearly smaller than as long as diameter of diameter of the eye the eye
Ridges & teeth
Lead gray with black wavy lines on wings Mediterranean Flour Moth
Uniform cream in color with rows of spots. Grain Insect Groups – Mold Feeders
Red & Confused Flour Beetles Last 3 segments enlarged
Small space between eyes
Last 4 segments gradually larger
Larger space between eyes
Alain Van Ryckeghem Insects Limited Inc.
Hairy Fungus Beetle: Foreign Grain Beetle
Two bumps on the Thorax Foreign Grain Beetle: Baby Flour Beetles? ‐ Flat Grain Beetle
When grain is moldy these fungus feeding pest grow in tremendous numbers What does the presence of fungus feeders tell us? 1] Excessive Moisture 2] Fumigation Challenges 3] Safety Issues ‐ Alp 4] Perimeter Pressure
Do fungus feeders directly affect IDK? ‐ No, only the wet and decomposing condition from a leak or hotspot.
Grain Mites – It’s a small world…
Grain Mites – Why are they becoming of greater importance?
Psocid A “mite like insects” Love a Damp Location Now it is time to use what you learned…
…and hunt for the enemy.
Train the Trainer What do you do when you find something and you are uncertain of the pest?
ALTERNATIVES TO FUMIGAITON… Kalah Schmitz National Executive Director [email protected] 877‐FPA‐3334 (877‐372‐3334) www.FPAlliance.com John Mueller 701 North First Street East St. Louis, IL 62201 314 330‐5336 [email protected] www.FoodProtectionServices.net
Proud Member
Fumigation: Phosphine Resistance Testing ‐ FAO Procedure ‐ 20 hour –14 Day ‐ Advanced Testing
Cost: $166 per Sample Set