SERICORID.^—S TEGANOPTYCHA. 87 



hind margin straight and squared; snow-white, costa 

 spotted with black before the middle, with brown beyond ; 

 on the dorsal margin before the middle is an erect squared 

 spot divided by the ground colour into four dots ; nearer 

 the anal angle is an erect black and brown triangular spot 

 which edges a large ocellus containing black dots; above 

 this to the apex is clouded with tawny-brown ; cilia white, 

 shaded with smoky black. Hind wings smoky white, with 

 white cilia. Female similar. 



Underside of the fore wings light leaden brown ; costa 

 dotted and hind margin shaded with white. Hind wings 

 smoky white. 



On the wing in July and August. 



Larva apparently undescribed. In the flowers and seed- 

 heads of ragwort [Senccio jacobcea) in September; also on 

 S. nemorensis and other allied species, sometimes going down 

 into the stem, and said also to enter the roots. Pupating m 

 an oval cocoon in the earth, having passed the winter as a 

 larva therein. 



This moth is an exceedingly pretty and bright-looking 

 species. It sits during the day on plants of ragwort, on 

 the stems or under the leaves, and if disturbed flies steadily 

 to another plant. After sunset and towards dusk it buzzes 

 gently about the same plants, and is whenever fljang very 

 conspicuous from the clear whiteness of its fore wmgs. 

 After dark it will occasionally come to a strong light. To 

 be found occasionally in the South London suburbs, and 

 more frequently throughout the southern counties to Devon 

 and to Oxfordshire; and in the eastern to Norfolk and 

 Cambs, showing a partiality for chalky places, dry gravel 

 pits, commons, and other waste land ; in the west from 

 Gloucestershire to Lancashire ; also in Yorkshire and 

 Durham. In Wales not scarce on the coast about Pembroke ; 

 in Scotland in the Ediburgh district, including Fife ; in the 



