How Does Baiting System Work On Cockroaches?

What is actually the keyword or key behaviour that a cockroach has in its body which makes the baiting system work? Is it trophallaxis again? Do cockroaches have the same behaviour like ants and termites?

Well, if you still remember my post, I have mentioned before that trophallaxis will only exist in social insects and cockroaches are not categorized into this group. So, what is the behaviour of cockroaches?

The above photo does not belong to Carron Lee. It is an extract from the internet.

It's called necrophagy. Cockroaches have necrophagy behaviour. They have eating of dead behaviour. Therefore, if Cockroach A gets poisoned by consuming baited gel, the dead body of the Cockroach A will still contain poison. Another healthy cockroach will feed on the dead poisoned cockroach. Without realising the healthy cockroach has also been poisoned and will die. This newly dead and poisoned cockroach will then be consumed by another healthy cockroach. This is why you can't see many dead cockroaches when you use a gelling treatment or baiting system.

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Necrophagy is one of the points which make cockroach baiting system successful. However their faeces will also contain poison. Cockroaches will also eat each other faeces and extract all nourishment from the organic food source. If Cockroach B eats Cockroach A's faeces, Cockroach B will get poison and eventually will die.

Cockroaches will excrete an oily liquid which is normally known as body liquid. Body liquid of cockroaches has a foul smell. This body liquid is known to stain fabrics, workwood and other surfaces. When Cockroach A excrete its body liquid on any of the surfaces and Cockroach B come across it and consume Cockroach A's body liquid, again, the Cockroach B will get poisoned and die.

The most important thing in cockroach control is to understand the infested area. If the infestation is heavy, increase the number in quantity of the gel (The dot). Monitor the consumable gels. If once a month treatment is not effective, increase the frequency of your treatment. As professionals in pest control or pest management, we need to study the bait aversion activity and change the bait or tactic if necessary. Over increase in frequency of bait treatment will cause a reverse effect. So, what does it mean by bait aversion activity? Is it the same with the term of immunity and resistant? Stay tuned and catch up with my next blog.

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