18 Questions
What is the purpose of contact or space sprays in cockroach control?
To irritate and flush cockroaches out of hiding places
Why are light applications of dusts considered more effective than heavy applications?
Heavy applications repel insects
Which type of insecticide may also be used in combination with insecticides according to the text?
Silica aerogels
Why might dusts not be appropriate in certain situations?
They are unsightly or cause contamination problems
Which type of insecticide application is best suited for killing cockroaches on exposed surfaces?
Space treatments
What is the main purpose of using contact or space sprays when dealing with cockroaches?
To irritate and flush the roaches out of hiding spots
What is the recommended sprayer pressure range for treating cockroaches with insecticide?
15 to 40 pounds
What is cross-resistance in cockroach populations?
Resistance to one type of insecticide causing resistance to others
What is a common type of duster used in roach control?
Hand duster with extension tube
How can you evaluate the effectiveness of a cockroach control program?
By using a combination of traps and visual inspections
What is a potential consequence of overusing insecticides in controlling cockroaches?
Development of cross-resistance in cockroach populations
Why is it important to only use EPA-registered formulations for cockroach control?
To prevent the development of cross-resistance
Why are water emulsions or wettable powders preferred over oil solutions for insecticides?
Because they are less toxic to vegetation
What is the purpose of residual insecticides in ant control?
To eradicate the entire colony
How do volatile or contact insecticides help in ant control?
By flushing out and killing the ants directly
What behavior pattern of Pharaoh ants makes their control tricky?
Fractionating or satelliting
Why must residual treatments completely surround the Pharaoh ant colony?
To prevent the formation of satellite colonies
What is the most effective method for controlling Pharaoh ants according to the text?
Comprehensive baiting program
Test your knowledge on what items should be covered or removed when spraying insecticides, the importance of placing insecticides in regular hiding places, and the use of contact or space sprays to control cockroaches. Explore how insecticides irritate insects and cause a rapid response.
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