The Collaborative International Dictionary
Phlox worm
Phlox \Phlox\, n. [L., a kind of flower, fr. Gr. ? flame, fr. ? to burn.] (Bot.) A genus of American herbs, having showy red, white, or purple flowers.
Phlox worm (Zo["o]l.), the larva of an American moth ( Heliothis phloxiphaga). It is destructive to phloxes.
Phlox subulata, the moss pink. See under Moss.
Wiktionary
phlox worm
n. The larva of an American moth ((taxlink Heliothis phloxiphaga species noshow=1)), destructive to phloxes.