Only those that do not inhabit near humans.
When talking about bed bugs (genus Cimex), it should be noted that these parasites provide no benefits. However, among the true bugs (Hemiptera), there are many beneficial species, mainly predators that eliminate plant pests.
House-dwelling cockroaches do not provide any benefits, but due to their reproductive capabilities and ease of maintenance, they are used in scientific research as well as feed for small reptiles and predatory insects.
Free-living species of cockroaches play an important role in maintaining ecological balance in natural communities. For example, it is believed that without their participation in the food chain, the nitrogen cycle on Earth could be disrupted.
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