What size cracks can young cockroaches squeeze through?

Young cockroaches, often referred to as nymphs, are notably agile and small, allowing them to fit into extremely tight spaces. The correct answer indicates that they can squeeze through cracks that are as thin as a dime, which is approximately 1.35 millimeters in thickness. This characteristic is significant for pest control because it highlights the importance of sealing small entry points in structures to prevent infestations.

Understanding the dimensions that these pests can navigate helps in implementing effective pest management strategies, such as caulking cracks and crevices, and ensuring that gaps around doors and windows are well-sealed. Larger gaps, such as those associated with the other options, are less relevant in determining their potential entry points, making the ability to fit through a crack the size of a dime a crucial detail in pest control measures and preventive practices.