Are cockroaches becoming immune to insecticides?

What is the main problem identified regarding cockroaches in the video?

• They are becoming immune to insecticides

• They carry various types of bacteria

• They are found in basements and bathrooms

• They are a diverse group of insects

How does insecticide resistance develop in cockroaches, according to the entomologist?

• They learn to avoid sprayed areas

• They develop a tolerance and pass it on to their offspring

• They change their diet to become stronger

• They evolve new physical defenses against chemicals

What specific finding did the Purdue University study reveal about cockroach resistance?

• All cockroaches are now immune to all pesticides

• Some cockroaches resisted a combination of three chemicals

• Cockroaches are becoming smaller and harder to detect

• Only male cockroaches develop resistance

What is recommended by Purdue scientists as an effective way to exterminate cockroaches despite resistance?

• Using only one type of strong chemical treatment

• Relying solely on traps to capture them

• Combining chemical treatments with traps and vacuums

• Increasing the concentration of a single insecticide