P YRA US TIDM—PIONEA . 227 



enough, in the Orknej's. Abroad found throughout Central 

 Europe, temperate Northern Europe, Northern Italy, Southern 

 France, and also in India and Japan. 



Genus \. PIONEA. 



Antennae simple, palpi minute ; tongue present ; face 

 squared and smooth ; head rough ; thorax smooth ; abdomen 

 not very long, not banded. Fore wings broad and blunt, the 

 discal cell narrow. Hind wings broad ; the cell short ; cross- 

 bar sharply angulated. Legs not very long. 



We have two species, readily distinguished. 



A. Fore wings yellow ; hind cloudy white. 



B. Markings of fore wings reticulated in lines. 



P. strainentalis. 

 B'. Markings of fore wings obscurely clouded. 



P. margaritalis. 



1. P. margaritalis, Sclrijf.; extimalis, ^'tomL Cat. — 

 Expanse l^ inch. Fore wings creamy-yellow with two 

 cloudy red-brown oblique lines ; and, extending in from the 

 hind margin, a broad lurid-brown cloud. Hind wings smoky- 

 white with a brown edging. 



Antennas of the male simple but rather thick and densely 

 ciliated, yellow; palpi short and small, rather drooping, 

 yellow-brown ; head and thorax yellow, faintly tinged with 

 brown ; abdomen shining, pale greyish-yellow, moderately 

 slender. Fore wings rather broad ; costa straight to beyond 

 the middle, then arched ; apex bluntly angulated, almost 

 rounded ; hind margin very gently curved, and but little 

 oblique ; creamy-yellow ; first line obscurely clouded, deeply 

 bent, rust-red ; second line of the same colour, equally 

 obscure and clouded, very oblique ; beyond it the hind- 

 marginal region is broadly shaded with purple-brown, a 

 cloud thereof running inward in the middle ; cilia shining pale 

 purple. Hind wings broad, rounded behind ; semi-transparent. 



