Phthorimaea operculella
（重定向自Potato Tuber Moth）
![](/Images/godic/202502/04/Phthorimaea_operculella_dorsal4221.jpg")
![](/Images/godic/202502/04/Phthorimaea_operculella_ventral4221.jpg")
![Cocoon](/Images/godic/202502/04/Phthorimaea_operculella_cocoon4221.jpg")
![Larva](/Images/godic/202502/04/Phthorimaea_operculella_13890514221.jpg")
Phthorimaea operculella, also known as the potato tuber moth or tobacco splitworm, is a major pest on potatoes in New Zealand and South Africa. It has a worldwide distribution.
The body length is about 10mm and the wingspan is about 12mm. The larva is called potato tuberworm.