186 tnsriTED states national museum bulletin 207 



6. Male with transtilla complete or its elements greatly enlarged and approximate at their 



apices; forewing with a strong costal fold; eighth abdomiaal segment with com- 

 pound dorsal tufts; female with apophyses of ovipositor and intersegmental area 



between ovipositor and eighth-segment coUar, short Ephestia (p. 301) 



Male with transtilla incomplete, its elements well separated at their apices, not enlarged; 

 forewing without costal fold; eighth segment with paired dorsal hair tufts; female 

 with apophyses of ovripositor and intersegmental area between ovipositor and 

 eighth-segment collar, very long Anagasta (p. 299) 



7. Male genitalia with apical process of gnathos assymetrical; ductus seminalis of female 



from very near anterior end of bursa Ribua (p. 297) 



Male genitalia with apical process of gnathos symmetrical; ductus semtaalis of female 

 from middle or near middle of bursa 8 



8. Labial palpi of both sexes porrect Plodia (p. 298) 



Labial palpi of both sexes oblique 9 



9. Tongue reduced ; alar expanse 8 mm Microphestia (p. 294) 



Tongue weU developed; alar expanse 10 mm. or more 10 



10. Bursa of female with signum (antenna of male with a shallow sinus in shaft towards 



base) CaudeUia (p. 292) 



Bursa of female without signum (male unknown) Bethulia (p. 296) 



Venational division F 



1. Male genitalia with a projecting spur from base of costa of harpe; apical process of gna- 



thos U-shaped; female with ductus biu-sae sclerotized and flattened for most of its 



length Varneria (p. 305) 



Male genitalia with projection from costa of harpe near or beyond middle; apical process 

 of gnathos (if present) not U-shaped; female with ductus bursae membranous and 

 tubular throughout 2 



2. Male with eighth abdominal segment simple; gnathos terminating in a very short, stout, 



narrowly forked projection; aedeagus with bluntly pointed apex; penis armed with 

 an elongate, spiraled, sclerotized and spined plate; female genitalia with signa ar- 

 ranged as a series of (3 to 6) detached, broadly based, thornlike spines and narrow- 

 bladed disks situated near anterior end of hurs& and a cluster of several smaller 



spines near junction of bursa and ductus bursae Eurythmia (p. 306) 



Male with compound dorsolateral tufts on eighth abdominal segment; gnathos without 

 apical projection, its arms fusing at their distal ends into the sclerotized subanal 

 plate; aedeagus with apex enlarged and flaring; penis unarmed except for a few sclero- 

 tized wrinklings; signa of female consisting of a single elongate series of (5 to 14) 

 thornlike spines Erelieva (p. 308) 



