21 



Ovipositor rather long, retractile. Ostium wide. 

 Ductus bursse short. Signum irregular, with two points. 



Aurantiaria, Esp. 41 



Valva narrow, tip pointed and curved; costal fold heavily 

 spined above to the tip. Uncus broad, terminating in two 

 points. Gnathos strong, broad, rounded, squamous. 

 ^Edoeagus long. Cornutus strong, curved. Juxta bifurcate, 

 terminating in two long spines. Saccus rounded. 



Ovipositor retractile, fairly long. Ostium strong. 

 Ductus bursae thickened. Bursa ovate, cylindrical. 



Erannis defoliaria, Clerck. 6 4 



Valva elaborate; costa curled inwards with comb of spines, 

 apex produced, lobed, with spined papillae, outer margin 

 indent; harpe a narrow flap, surmounted by two long hairs. 

 Uncus broad, tip square. Gnathos wide, deep, curled at 

 the tip. ^Bdosagus broad, scobinated orifice. Cornuti 

 short in band. Juxta broad, lipped. Saccus pointed. 



Ovipositor rather long, retractile. Ostium wide, with 

 in-turned scobinate flap at the orifice. Bursa ovate, 

 cylindrical. 



The construction of the Genitalia is unlike the rest of 

 the ErannincK. The scaling is similar to Bistonince. 



Alsophila aescularia, Schiff. 33 



A solitary British example of a small genus confined so far 

 as is known to Europe, Asia, and America, of which only 

 five species are recognised, these we have examined, all 

 agree in their genitalic characters. 



Valva deeply emarginate; costa produced in long arm; 

 apex emarginate with two shorter projections. Uncus 

 broad, square at tip. Peniculus with long scales, ^dreagus 

 narrow, pointed. Juxta narrow, forked. Saccus pointed. 



Ovipositor normal. Ostium wide, with narrow ductus 

 bursae. 



