183 



straight, second line curved, and with a broad shade 

 beyond its lower end; central spot black. Hind wings 

 darker grey, with a blackish central spot followed by a 

 dusky slightly waved line. The antennae are pectinated. 



Localities for this species are Glasgow, Huddersfield, 

 Stirling, Newcastle-on-Tyne, White Moss, Chat Moss, 

 Manchester, Arran,Birkenhead, Edinburgh, Lyndhurst in 

 the New Forest. 



The situations where it is found are heaths. 



The perfect insect appears in June. 



The caterpillar is grey ash-coloured, paler on the back, 

 and with short black streaks, a black line on the 

 second, third, and fourth segments, and slight eminences 

 on the hinder ones, that on the twelfth sharp and pointed. 



The date of the appearance of the caterpillar is in 

 September and March. 



It feeds on the heath ( Calluna vulgaris). 



The chrysalis occurs under the ground. 



SELIDOSEMA PLUMARIA. 



BORDERED GREY. 

 Plate XXVI. Figure 3. 



THIS insect measures from a little under an inch and 

 a half to that width in expanse. 



Male: fore wings grey, darker on the outer margin. 

 The first line dark grey and curved but indistinct : second 

 line pale grey: central shade dark brownish grey. Hind 

 wings also grey, darker on the outer margin. 



