Prev Med 6.9 Flashcards
Characteristics of the Indian Meal moth
Grayish band across the upper 1/3 of the reddish bronze wings
Larve spin silk
lays between 100-300 eggs
What are the four beetles?
Flour Beetles (Tribolium)
Dermestid Beetles (Khapra Beetle)
Saw tooth grain beetle
Rice Weevil
Describe flour beetles (Tribolium Beetles)
Shiny Flattened and reddish
head and thorax covered with dense pitting
wings are rigid lengthwise
Lays 440 eggs
Describe the Dermestid Beetle (Khapra Beetle)
-Medically important
-Hairs on outside of larvae can cause intestinal trauma, eye irritation , dermatitis and allergic reactions
Quarantinable and if found dead or alive must discard whole lot must be discarded
Adult Dermestid beetle
Oval Shaped
Reddish brown with pale wing marking
Dermestid Larvae Characteristic
Resistant to starvation
can live for years without food
Describe the Saw tooth grain beetle
Most commonly found stored products pest aboard ship
Slender, flat brown
Thorax has six saw tooth projections on each side
2.5mm in length
Describe the Rice Weevil
Most destructive store product pest
Have long beak and snout/ Can be recognized by two yellowish or reddish spots on top of each wing
What are some items with high insect infestation
flour
cereal
rice
cookie and cake mix
How do you sample for insects?
randomly and increase sample size as infestations are found
look for skins, dropping, larvae holes
How often should you inspect food storage locations?
monthly unless underway than every 2 weeks
What do you do if you find insects pierside?
separate products and notify the Suppo don’t allow on board
How long do you place items in a freezer to kill insects?
3 days
How do you kill all stages of insects?
two weeks at 0 degrees F.
What is a good way to prevent infestations
First in first out
