Final answer:
To prepare a house for cockroach chemical treatment, objects must be removed from the floor to reach hiding places. Biological pest control can also be utilized by introducing predators. Resistance to chemical pesticides is a growing issue, underlining the importance of integrated pest management.
Step-by-step explanation:
Preparing a house for chemical treatment of German cockroaches involves removing objects from the floor beforehand. This is because these pests often hide in dark, warm, and moist areas which can include floor clutter. Removing items from the floor can help ensure the chemical treatments reach all the areas where cockroaches may be hiding, increasing the effectiveness of the pest control efforts.
Additionally, biological pest control involves the introduction of natural predators to control and manage pest populations. In the case of pest control for arthropods, organisms such as mites can be used to prey on unwanted pests. Chemical disinfectants like bleach or phenol have historically been compared to evaluate their effectiveness in managing microbial growth and pests.
However, reliance solely on synthetic chemical pesticides has drawbacks. Pests can develop resistance over time, leading to a decreased efficacy of the pesticides. Moreover, these pesticides can be toxic to humans and the environment. Hence, integrated pest management strategies, combining biological and limited chemical methods, are increasingly being promoted for effective and sustainable pest control.