WordNet (r) 3.0 (2006):

Phthorimaea operculella
    n 1: larva of potato moth; mines in leaves and stems of e.g.
         potatoes and tobacco [syn: potato tuberworm, Phthorimaea
         operculella]
    2: greyish-brown moth whose larva is the potato tuberworm [syn:
       potato moth, potato tuber moth, splitworm, Phthorimaea
       operculella]