Final answer:
The tiny bugs you observed on your hand after smashing a fruit fly are likely mites. Mites are small arthropods that are often found living on or near other insects. They are generally harmless to humans but can cause skin irritation in some cases.
Step-by-step explanation:
The tiny bugs you observed on your hand after smashing a fruit fly are likely mites. Mites are small arthropods that are often found living on or near other insects. They are commonly found on flies, bees, and other insects, and can hitch a ride on these insects to move from place to place. While mites are generally harmless to humans, it is possible for some species to bite or cause skin irritation.