Final diagnosis


Phthorimea opercullella (potato tuber moth)

Galleries made by tuber moth larvae in the bottom leaves, presence of silk webs, tuber debris and larval black frass. <b><i>Phthorimaea operculella</b></i>
Superficial galleries dug by tuber moth larvae, often starting near the eyes. <i><b>Phthorimaea operculella</i></b>
Tuber moth larva (caterpillar) feeding and boring superficial galleries covered with silk-threads and with blackish frass expelled to the outside. <b><i>Phthorimaea operculella</b></i>
Tuber moth larva (caterpillar) feeding and boring superficial galleries covered with silk-threads and with blackish frass expelled to the outside. <b><i>Phthorimaea operculella</b></i>
Tuber moth pupa formed in a tuber; this can also occur in the soil, in bags, or in storage areas. <i><b>Phthorimea opercullella</i></b>.
Adult moth: <b><i>Phthorimaea operculella</b></i> (Potato Tuber Moth)