47 



Argyroploce nigricostana, Haw 2-1 



B. Adkin, J. W.M. 



Yalva narrow, evenly curved; Bacculua extended inwardly, 

 yet with a single row of about six spines. Uncus with 

 rounded head surmounted with a single row of spines; sueii 

 rounded. ^Edoeagus Bhort, stunt, a long curved hook set 

 below with three spines. Cornutus a Bingle short spine. 



Ovipositor not flattened. Ostium ovate, naked, a pair 

 of thickened processes at its junction with the ductus 

 bursa?. 



Argyroploce fuligana, lib. 1—1 



carbonana, Ban. Myk. 



The Hun. N. C. Rothschild, W. G. Sheldon. 



We can see no difference between the genitalia of this 



species and nigricostana. 



Argyroploce ericetana, W'wood. 3—1 



R. Adkin, J. W. M. 



X'alva wide, sides parallel, curved: sacculus extended 

 inwardly, set with a few stout spines: outer margin 

 produced iii a strong obtuse hook. Incus with flattened 

 ovate head set with three irregular rows of spines. iEdceagus 

 pointed; cornuti five spines, one slightly larger. 



Ovipositor flattened; ostium cup-form, naked, with 

 flattened operculum. 



Argyroploce antiquana, Hb. 3—1 



Valva narrow, curved; sacculus extended inwardly, set with 

 .small stout spines: towards the base is an elongate patch of 

 slender spines, increasing in strength from the base. Uncus 

 with narrow, flattened, ovate head with four to six central 

 .spines in a row, and one to three long drooping spines from 

 either side. Cornuti about fourteen stout spines. 



Ostium cup-form with operculum, caked; ductus bursas 

 thickened, set with minute small spines. 



