What is the typical length of adult beetles?

The typical length of adult beetles generally falls within the range of 1/8" to 1/4". This size range accounts for many common species of beetles that are frequently encountered in structural pest control.

Understanding the typical size of adult beetles is important for pest identification and management. For example, the size can influence the choice of treatment methods or the types of baits used.

While beetles can certainly vary widely in size—from very small species that may measure less than 1/16" to larger ones that can exceed 1/2" or more—the majority of pest species that pest control professionals deal with tend to fall into the 1/8" to 1/4" range. This encompasses a vast variety of beetles that are often significant in structural pest contexts, thus making this range the most relevant for practical applications in pest management.