FINALS - UNIT V Flashcards
1
Q
What are the different kinds of modes of penetration?
A
- Contact Poisons
- Fumigants
- Stomach Poisons
2
Q
these are only toxic if only ingested through the mouth
A
Stomach Poisons
3
Q
These penetrate the skin of the pest.
A
Contact poisons
4
Q
What are the two groups of contact poisons?
A
- Naturally-occuring compounds
- Synthetic Organic compounds
5
Q
Toxic compounds that enter the respiratory system of the insect through its spiracles.
A
Fumigants
6
Q
These are the pesticides that may remain on or in food after they are applied to food crops.
A
Pesticide residue
7
Q
It is the final barrier between insect tissues and the outside world.
A
Epicuticle
8
Q
What are the chief stomach poisons?
A
Arsenicals
9
Q
Give examples of fumigants
A
Nicotine
hydrogen cyanide
napthalene
methyl bromide
