Have you noticed more and more insects look glossy or shiny on the outside? This is partly what makes numerous insects so beautiful. On the contrary, this shiny covering of wax is also what helps to keep the ugly insects alive! Please do not be offended if you're think cockroaches are cute.
Mechanical versus Toxic
A physical kill is different from a poisonous kill. In this instance, a physical kill, for a cockroach, is removing the outer waxy covering of the insect. What this does is dehydrate the insect. The other solution might be catching a group of roaches and put them in your food dehydrator. Now, naturally, that's a joke (in case you didn't buy it).
A toxic kill would be to spray some sort of insecticide or fumigate. This type of kill is much less desirable because it's much more toxic to human occupants, insects are able to develop resistance, and it seldom handles the nest. Put simply, best indoor bug zapper (
https://www.tribuneindia.com) it is a continuing thing rather than complete elimination.
Types of
Mechanical KillsBoric Acid
You are able to purchase roach bait with boric acid in it. The bait can work in three ways.
1- Internally, eating boric acid is similar to a human consuming nails. It will irritate and destroy the inside of the cockroach.