Georgia Correctional Officer (CO) Practice Exam

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What is the appearance of Bostrichid frass?

Gritty and loosely packed
Fine to coarse powder and tightly packed
Very soft and fluffy
Large chunks of wood debris

The correct answer is: Fine to coarse powder and tightly packed

The appearance of Bostrichid frass is characterized as fine to coarse powder and tightly packed. This type of frass is indicative of powderpost beetle infestations, specifically belonging to the Bostrichidae family. The tightly packed nature of the frass reflects the adult beetles' activity as they bore into the wood, digesting it and then expelling the resulting material. The fine to coarse texture suggests that the frass is made from processed wood, having been reduced to different sizes as the beetles consume the wood fibers. In terms of other options, gritty and loosely packed frass is not typical of Bostrichid activity, nor is very soft and fluffy material, which could imply different types of infestations, such as those by softer-bodied insects or other pests that produce more granular droppings. Large chunks of wood debris would suggest a more destructive and aggressive feeding pattern that is atypical for the fine and processed nature of frass produced by Bostrichids.