SESIIDM. 



97 



an oblique tooth-like black spot in the middle of the costal 

 margin; cilia of all the wings long, bronzy brown. Female 

 considerably larger and stouter than the male, otherwise 

 similar. 



Under side of the wings iridescent blue ; fore wings with 

 the margins and nervures glistening yellow, apical blotch 

 orange-red, divided by the nervures, which here are black ; 

 transverse spot rich red ; hind wings with margins and 

 nervures yellow, and central spot red ; cilia all brown with a 

 yellowish gloss. Face yellow, palpi yellow above, black 

 below ; under part of thorax blackish with yellow tufts of 

 scales in front ; of abdomen dark brown barred with yellow ; 

 anal tuft yellow, mixed with black ; legs yellow, spotted with 

 orange and black. 



On the wing in July and the beginning of August. 



Larva half an inch long, rather thick, plump and rounded ; 

 head slightly flattened, third and fourth segments rather the 

 thickest, looking puffed and swollen ; tapering towards the 

 tail ; the middle segments seeming rather to overlap. Head 

 pale brownish-pink, with three broad brown stripes down each 

 lobe, and a triangular brown patch between them ; mouth 

 blackish brown ; dorsal plate polished, semi-transparent, 

 pink ; body rather opaque, pale yellowish-pink ; dorsal vessel 

 faintly darker ; hairs few, delicate, pale brown ; spiracles 

 ringed with brown ; legs pale brown, prolegspink. Bun'owing 

 down the side of a strong thick root of Lotus cornicidatus or 

 Anthyllis vulneraria, eating the solid root and covering its 

 burrow with silk and frass ; by the time that it is full 

 fed it commonly eats out the whole substance of the root 

 and kills the plant. 



September to June. It is not known whether it feeds 

 through more than one season. 



Pupa rounded on the back, rather flattened in front ; head 

 with a beak-like projection; wing and antenna-cases re- 

 markably long, extending nearly to the end of the abdomen ; 



VOL. II. G 



