Answer: stonefly

AnswerCrossword Clue
STONEFLYAquatic insect
STONEFLYMorsel for a bass
stoneflya winged insect
stoneflyany of numerous dull-colored primitive aquatic insects of the order Plecoptera, having a distinctive flattened body shape: a major food source for game fish, esp. bass and trout, which makes them popular as models for fishing flies