6.9 Prevention of Stored Product Pests Flashcards
Indian Meal Moths
less common than beetles
100-300 eggs, 6-8 weeks to mature
grayish band across 1/3 reddish-bronze wings
Flour Beetles
Confused and Red Flour Beetle are similar
called Tribolium Beetles
Shiny, flat, reddish brown
Dermestid Beetles
Khapra Beetle
Medically important
hairs on outside of larvae can cause intestinal trauma, eye irritation, dermatitis and allergic reaction
quarantinable insect - dead or alive
resistant to starvation - several years without food
Saw Toothed grain beetle
most commonly found aboard ships
2.5mm in length
thorax has 6 saw toothed projections
280 eggs in lifetime
Rice Weevil
most destructive store pests
reddish brown snout, long
two yellowish or reddish spots on top of head
Most common products to find pests
grits cornmeal farina dry mix macaroni barley cookie and cake mix flour dry beans ready to eat cereal rice
where/what do you look on packages when looking for signs of pests?
seams in sacks pinholes in boxes and plastic bags insect feces webbing or frass larval forms cast skins adult insects
If underway, how often do you inspect stored goods?
Every 2 weeks
keep records, if negative or positive
Limit for beetles per pound in storerooms
7 other than dermestid species and flour beetles 1 living or dead dermestid larva 3 flour beetles (adults or larvae) 7 insects total
how to get rid of beetles in store rooms?
freeze goods for at least 3 days
two weeks at 0F to kill al stages of insects
