of the Australian Pyralidina. 293 



10 a. Veins 3 and 4 of hind wings remote . . . . Criophthona. 

 10 b. Veins 3 and 4 of hind wings tolerably approxi- 

 mated Metallarcha. 



5 b. Veins flat or rounded. 



6a. Ocelli absent Cirrhochrista. 



6 b. ,, present. 



7 a. Maxillary palpi with fine terminal pencil . . Glyplwdes. 

 lb. ,, ,, not penicillate. 



8 a. Abdomen in male with expansible spherical anal 



tuft . . . . . . . . . . • . . . Phacellura. 



8 b. Abdomen in male without expansible tuft. 



9 a. Posterior tibiee in male with outer middle-spur 



obsolete. 



10a. Posterior tibiae in male with outer end-spur rudi- 

 mentary Atelocentra. 



10 b. Posterior tibia in male with outer end-spur well 



developed Scopula. 



9 b. Posterior tibia in male with outer end-spur well 

 developed. 



10a. Antennaj more than three-fourths of fore wings. 



11a. Maxillary palpi filiform Siriocauta. 



lib. ,, ,, terminally dilated, truncate .. Margarodes. 



10 b. ,, not more than three-fourths of fore wings. 



11 a. Veins 7 and 8 of hind wings anastomosing almost 



to extremity. 



12 a. Veins 10 and 11 of fore wings stalked .. .. Cnaphalocrocis. 

 12 b. „ ,, ,, separate . . . . DoUcliosticha. 

 lib. ,, ,, „ hardly beyond middle. 



12 a. Antennae of male with median sinuation. 



13a. Posterior tibia in male with end-spurs absent . . Sameodes. 

 IBb. ,, ,, ,, present.. Pessocosma. 



12b. ,, without sinuation. 



13 a. Lower median vein of hind wings with loose basal 



pectination . . . . . . . . . . . . Mnesictena. 



13 b. Lower median vein of hind wings naked. 



14 a. Labial palpi arched, ascending. 



15 a. Maxillary palpi broadly dilated towards apex .. Molybdantha. 



15 b. ,, „ filiform. 



16 a. Patagia in male broadly elongated .. .. Pachyzancla. 



16 6. ,, ,, normal. 



17 a. Terminal joint of labial palpi cylindrical, truncate. 



18 a. Forehead flatly rounded Notarcha. 



ISb. ,, obtusely but not distinctly projecting. . Deuterarcha. 



n b. ,, ,, ,, pointed. 



18a. Terminal joint of palpi slender, needle-shaped .. Conchylode$. 

 18b. ,, ,, ,, conical .. .. .. Conogethes, 



14 6. „ ,, straight, porrected. 



15 a. Middle tibia in male dilated, grooved, often con- 



taining a tuft . . . . . . . • . . Mecyna. 



15 b. Middle tibia in male not grooved. 



