332 DESCRIPTIONS OF AUSTRALIAN MICRO-LEPIDOPTERA, 



shorter, acute. Posterior tibiae rough-haired. Forewings in ^ 

 beneath sometimes with expansible hair-pencil from dorsum near 

 base; lb simple, 4 sometimes absent, 5 absent, 6 out of 7, 7 to 

 costa, 8 out of 7 or absent, 9 sometimes out of 7. Hindwings 

 ■^-|, narrow-lanceolate, cilia 3-6; 4 sometimes absent, 5 absent, 

 transverse vein sometimes partly absent, 6 and 7 stalked. 



A large cosmopolitan genus, most numerous in northern tem- 

 perate regions. It is a development of Pyroderces. Imago with 

 forewings lanceolate; the species are generally obscure in colour- 

 ing, and often hai'd to distinguish. All the known larvae mine 

 in leaves or stems of Graminew or Cyperacece. 



1. Terminal joint of palpi with dark fuscous lateral or 



anterior line '■ 2. 



Terminal joint of palpi without longitudinal line... 3. 



2. Cilia of forewings grey-whitish 67. cata2jfila. 



Cilia of forewings fuscous, hlackish-sprinkled 68. cynopa. 



3. Palpi wholly dark fuscous, pale-sprinkled 4. 



Palpi not wholly dark fuscous 5. 



4. Plical and second discal stigmata large, dark fuscous 77. ei-cbophthalnm. 

 ^Plical and second discal stigir.ata obsolete 78. catarata. 



5. Hindwings with large patch of black scales 75. arctodyta. 



Hindwings without black patch 6. 



6. Forewings witli opposite pale spots at ^ 66. synethes. 



Fore\ving.s without pale spots 7. 



7. Terminal joint of palpi with dark subapical ring.... 8. 

 Terminal joint of palpi without such ring 10. 



8. Head irrorated with dark fuscous 76. argopis. 



Head not irrorated with dark fuscous — 9. 



9. Forewings whitish, first discal stigma distinct 73. torojjis. 



Forewings grey, first discal stigma absent 74. demogenes. 



lU. First discal stigma above or before plical 10. 



First discal stigma much beyond plical 11. 



11. Forewings with indistinct black line in disc ante- 



riorly 69. rhlorojjepla. 



Forewings without blackish line 72. rycotis. 



12. Genital tuft of J , anal segment of J black 71. melanura. 



Genital tuft of (^, anal segment of ? pale 70. gerasmia. 



