EXPLANATION OF PLATES 



The drawings for the plates accompanying this paper were made 

 under the author's supervision by Mrs. Eleanor A. Carlin, of the 

 U. S. Bureau of Entomology and Plant Quarantine. The female 

 genitalia and head structures were drawn to smaller scale than the 

 male genitalia. 



EXPLANATION OF SYMBOLS APPLIED TO GENITALIA 



Male 

 aGn, Apical process of gnathos. 



An, Anellus. 



Hp, Harpe. 



pkt, Sclerotized pocket in subbasal area of harpe. 



Tn, Elements of a divided transtilla. 

 U, Uncus. 

 Vm, Vinculum. 



Female 



Be, Bursa copulatrix. 



Clr, Collar of eighth abdominal segment. 



Db, Ductus bursae. 



dp, Dorsal plate in ductus bursae at genital opening. 



Ds, Ductus seminalis. 



Go, Genital opening. 



Sn, Signum. 



vp, Ventral plate in ductus bursae at genital opening. 



Plate 23 



1-lf. Melitara prodenialis Walker: 1, Ventral view of male genitalia with 

 aedeagus and one harpe omitted; la, dorsal view of uncus and 

 tegumen; lb, gnathos; Ic, elements of divided transtilla; Id, anellus; 

 le, aedeagus, lateral view; If, aedeagus, ventral view. 



2-2c. Melitara dentata (Grote) : 2, Ventral view of male genitalia with aedeagus 

 and one harpe omitted; 2a, elements of transtilla; 2b, anellus; 2c, 

 aedeagus. 



Plate 24 



3-3c. Olycella junctolineella (Hulst): 3, Ventral view of male genitalia with 

 aedeagus and one harpe omitted (the apical process of gnathos 

 shown bent somewhat to the side); 3a, elements of transtilla; 3b, 

 anellus; 3c, aedeagus. 

 4. Olycella junctolineella pectinatella (Hampson): Gnathos of male genitalia 

 (the apical process shown in full ventral view). 



5-5c. Otyca phryganoides Walker: 5, Ventral view of male genitalia with 

 aedeagus and one harpe omitted; 5a, elements of transtilla; 5b, 

 anellus; 5c, aedeagus. 

 406 



