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MOTHS OF THE GENUS RUPELA — HEINRICH 359 



Aedeagus with lateral flauge at apex. Cucullus of harpe 



broad imitativa (p. 372) 



13. Penis bearing a small, serrate cornutus. Dorsal part of anellus 



consisting of a pair of strongly sclerotized, sinuous, irregu- 

 larly serrate plates horridula (p. 376) 



Penis without cornutus. Doi'sal part of anellus membranous 14 



14. Apex of aedeagus produced into curved clawlike hook or 



hooks 15 



Apex or aedeagus very slightly produced, but not into hooks 



or claws 16 



15. Apex of aedeagus produced into a single, stout, curved, blunt 



hook adunca (p. 374) 



Apex of aedeagus produced into three heavy claws lumaria (p. 375) 



16. Base of uncus produced backward into forklike process with 



stubby, spined prongs monstrata (p. 377) 



Base of uncus produced backward into a broad concave plate 



bearing numerous heavy, long, curved spines spinifera (p. 377) 



Females 



1. Genital plate a narrovr semicircular band firmly joined to rods 



of eighth segment collar tinctella (p. 368) 



Genital plate not a semicircular band, nor attached to rods of 



eighth segment collar 2 



2. In area caudad of genital opening a small, sclerotized 



nipple sejuncta (p. 373) 



In area caudad of genital opening an external sclerotized pocket 3 



In area caudad of genital opening an internal sclerotized pocket 5 



From area just caudad of genital opening a strongly sclero- 

 tized, projecting, hooked process 6 



Area caudad of genital opening smoothly sclerotized or rugose, 



without pockets or protruding processes 7 



3. Genital plate in the form of a st^uit, blunt, thornlike process in 



front of genital opening lara (p. 382) 



Genital plate otherwise 4 



4. Genital opening irregular, more square than circular procula (p. 384) 



Genital opening nearly circular jana (p. 381) 



5. Genital plate large, completely surrounding genital open- 



ing candace (p. 382) 



Genital plate not surrounding genital opening; appres.sed to and 



no wider than ductus bursae orbona fp. 384) 



6. Projecting process from behind genital opening truncate. Ductus 



bursae greatly expanded toward genital opening maenas (p. 383) 



Projecting process bluntly pointed. Ductus bursae not greatly 



expanded toward genital opening nereis (p. 383) 



7. Just within genital opening (from lower margin of the opening) 



a pair of short, dark, hooklike processes faustina (p. 380) 



Just within genital opening a pair of sclerotized disks gaia (p. 380) 



No hooks, disks, or other proces.ses within geriital opening 8 



8. Ductus seminalis forming a loop with ductus bursae just before 



genital opening edusa (p. 379) 



Juncture of ductus seminalis and ductus bursae otherwise 9 



9. Lower margin of genital opening sinuate leucatea (p. 360) 



Lower margin of genital opening angulate or concave 10 



