vil PSII RES VESTALIS 209 
probably occurs wherever &. ¢errestris is abundant. 
In the north, however, it is displaced by its close 
ally Ps. distenctus, with which many collectors have 
hitherto confused it. | 
The only Irish specimen I have seen is a female 
in the Irish National Museum, taken by Mr. Pack- 
Beresford at Fenagh, Co. Carlow. 
