Which order of insects includes the group of cockroaches?

The order that includes cockroaches is the Dictyoptera. This order is significant because it encompasses not only cockroaches but also termites and mantids, highlighting their evolutionary relationships. Characteristics typical of this order include a flattened body and long, slender antennae which are adaptations for a nocturnal lifestyle.

Understanding that cockroaches are part of the Dictyoptera order helps illuminate their biological and ecological traits, such as their ability to thrive in diverse environments and their omnivorous diet, which contributes to their success as a group. Recognition of this classification is critical for pest management, as it informs strategies for controlling these pests effectively.

The other options provided do not include cockroaches; for instance, Thysanura includes insects like silverfish, known for their elongated bodies and primitive features, while Mallophaga refers to chewing lice, which are external parasites found on birds and mammals. Divysanopteran is a less commonly recognized group, and while it encompasses ancient insect forms, it is not directly related to cockroaches. Understanding the correct order is essential for anyone in pest control, as it underlines the classification needed for proper identification and management of these insects.