Which of the following is NOT a characteristic of drain or moth flies?

The correct choice highlights that breeding in soil is not a characteristic of drain or moth flies. These flies are primarily associated with damp, organic material and often breed in areas such as drains, septic tanks, or other wet environments where decomposing organic matter is present, rather than in soil.

Drain flies, also known as moth flies, typically thrive in stagnant water mixed with organic substances, allowing them to develop in places like the gunk build-up found in drains. The association of these flies with such habitats is crucial to understanding their biology and behavior, as it helps in effective pest control strategies.

The other characteristics mentioned, such as furry bodies, small size, and densely hairy wings, accurately reflect the physical attributes of drain or moth flies. These features contribute to their unique appearance, distinguishing them from other types of flies. Furry bodies and hairy wings in particular are visual cues that help in recognizing drain flies in the field. Understanding these traits is essential for those working in structural pest control, as it enables them to identify and manage infestations effectively.