What feature distinguishes the antennae of the adult male spongy moth?
Answer
Feathery or comb-like
Male moths have conspicuously feathery or comb-like antennae which help them detect female pheromones over long distances.

Related Questions
What feature distinguishes the antennae of the adult male spongy moth?What is the maximum typical wingspan for an adult female spongy moth?What specific pattern of spots reliably identifies the spongy moth caterpillar?How does the appearance of spongy moth egg masses typically present?What characteristic limits the flight capability of the adult female spongy moth?What is the common color range for the pupal casing of the spongy moth?What was the former common designation for the species now known as the spongy moth?What material covers the eggs to give the egg masses their fuzzy appearance?Where are pupal casings frequently located during the pupal stage?What is the approximate length of the pupal casing?