"giant cockroach" 的定义和意义

What is "giant cockroach"?

Giant cockroach refers to large-sized cockroaches belonging to various species within Blattodea. These cockroaches can grow significantly larger in size compared to common household cockroaches. Some examples include the Madagascar hissing cockroach and the Australian giant burrowing cockroach. Giant cockroaches are typically found in tropical or subtropical regions and have unique characteristics. Despite their intimidating size, many species of giant cockroaches have not considered pests and may play ecological roles, such as decomposers or prey for other animals.