A male firefly blazes his trail through the woods. At last he perceives a dim inconspicuous gleam, a mere spark, but it is his LANDING BEACON and he levels off and steers straight for the wingless mate, who has laboriously climbed to the top of a fern and there hung out her signal...
High Jungle - Chapter XXI (p. 335), Duell, Sloan & Pearce. 1949