150 



THE POTATO. 



hind wings, and the abdomen and thorax are also grey. 

 The hind wings of the female are white, while the fore 

 wings as well as the abdomen and thorax are brown. The 

 larvae feed on the tubers, boring holes into them. They are 

 about an inch long, and feed during the winter if circum- 



\ 



DART MOTH (Noc.tua segettnn). 



stances are favourable (mild weather, etc) ; but if not, they 

 hibernate in earth cells. In the following spring they are 

 transformed into brown pupae in the earth, where they re- 

 main for about a month, and are then transformed into the 

 perfect insects or moths. 



REMEDIES. --The same as advised for Hie Heart and Dart 

 Moth. 



Heart and Dart Moth (Noctua [Agrotis] exclama- 

 tionis). The larva is known as a Surface Caterpillar. The 

 Heart and Dart Moth is of an ochreous colour; the fore- 

 wings are brown, while the hind- wings of the male are 

 white, those of the female being brown. The larvae are 

 about an inch and a-half long, and furnished with tuber- 

 cles, and when mature construct earth cells in which they 



