400 NOVITATES ZOOLOQICAE XXV. 1918. 



Sect. I. — Build not very robust ; wings thickly scaled ; hindwing rarely 

 much narrowed, M' variably stalked (in salvini and scmimarginata just separate), 

 colour predominantly yellow proximally, at least beneath {Dialephiia). 



1. salvini Feld., Reise Novara, Lep. Het. tab. 105. fig. 14 (1868) {Dialephtis) 

 (Guatemala). 



Only known from Guatemala and Nicaragua. 



2. semimarginata Dogn., Ann. Sec. Ent. Belg. xlvi. 342 (1902) (Dialephtis) 

 (praec. form. 1) (Colombia). 



The only Colombian speci:nens I have seen are intermediate towards the 

 preceding race (a black abdominal margin of forewing present though much 

 narrowed). 



3. bicurvata Bastelb., Int. Ent. Zeit. ii. 267 (1908) (Dialephtis) (Colombia). 



4. josia Feld., Wien Ent. Monats. vi. 230 (1862) (Phaeochlaena) (N. Brazil). 



5. alea Druce, Proc. Zool. Soc. Land. 1890. p. 499 (Microgiton) 

 (Ecuador). 



6. pyraloides Walk., Liit Lep. Ins. ii. 376 (1854) (Scaptia) (Brazil). 



(ab. ?) longiplaga Warr., Nov. Zool. xiv. 198 (1907) (Paratyria) (Brazil). 



7. dominula Warr., Nov. Zool. xvi. 70 (1909) (Oricia) (Argentina). 

 Also from Uruguay. 



8. $ priverna Cram., Pap. Exot. ii. 108. tab. 166. fig. E. (1777) (Phalaena) 

 Noclua) (Surinam). 



J = privigna Hb., Zulr. i. 32. fig. 195-6 (1818) (Phaeochlaena) (Surinam). 

 ($ab.) fulva Warr., Nov. Zool. xvi. 71 (1909) (Oricia). 

 Inhabits the Guiana and N. Brazil. 



9. quadricolor Walk., List Lep. Ins. vii. 1677 (1856) (Phaeochlaena) 

 (Anaazons). 



10. celata Warr., Proc. U.S. Nat. Mus. xsx. 410 (1906) (Dialephtis) (Peru), 

 (ab.) unimacula Warr., Nov. Zool. xiv. 199 (19U7) (Phaeochlaena) (Peru). 

 Both forms occur also in Bolivia. 



11. ederi Prout, sp. nov.* (S. E. Colombia). 



12. biplagiata Warr., Nov. Zool. iv. 421 (1897) (O)icia) (Bolivia). 



13. graba Druce, Ann. Mag. Nat. Hist. (7) iii. 294 (1899) (Phaeochlaena) 

 (Peru). 



Also from S. Paulo de 01iven9a, Upper Amazon, coll. Tring Mus. 



14. projecta Warr., Nov. Zool. xvi. 72 (1909) (Oricia) (Rio Madeira). 



15. augusta Warr., Nov. Zocl. xvi. 70 (1909) (Oricia) (Rio Madeira). 



* Myonia cchri sp. nov. (J, 37 ram. Face buff. Palpus with 1st joint orange-yellow, 2nd 

 joint buff with a blackish streak along each side, 3rd joint blackish. Head mixed with black- 

 brown, an orange spot on each side behind eye. Wing-tegula and thorax above longitudinally striped, 

 orange, blackish, buff. Abdomen above orange with blackish dorsal and lateral stripes and blackish 

 anal end ; beneath buff. 



Forewing with ground-colour dull dark brown, the veins yellow ; a great part of the win, 

 occupied by two large orange-yellow blotches ; the first on hindmargin, running from close to base 

 to beyond three-fourths, anteriorly just entering the cell, distally ind^?ntedby a tooth of the ground 

 colour along il' ; second blotch long-oval, starting near origin of SC^, anteriorly touching SC. 

 posteriorly almost confluent with first blotch (only separated by a dark line along either side oi 



R^), distally 2 mm. from outer margin. Hindwing with M' minutely stalked ; orange-yellow 



with a black-brown border, which has an average width of about 3 mm. but is rather irregular, 

 narrows at tornus and extends narrowly along outer two-fifths of costal margin ; a few dark scales 

 at base. Underside similar. Rio Caqueta, S.E. Colombia (Dr. M. Eder and T. Alexander). Type 

 in coll. Joicey. Near graba Druce, the orange colour less deep, more extended, distal margin of 

 forjwing loss oblique. Perhaps a (J form of projecta Warr. 



