STUDIES IN AUSTRALIAN LEPIDOPTERA. 95 
7 anastomosing with 8 near base, precostal cell small, a single basal 
costal veinlet. 
Type C lathe pyrsocoma, Turn. 
ASPIDUCHA PYHSOCOMA. 
Clathe pyrsocoma, Turn., Tr. R.S.S.A. 1902, p. 185. 
KA. Port Darwin, 3, 10. N.Q. Thursday Island ; Cooktown ; 
Stannary Hills ; TownsvilJe, 1. Q. Brisbane. 
ASPIDUCHA QBTUSA. 
9- Pinara obtusa, Wlk., Cat. Brit. Mus. xxxi, p. 315. 
(J. OpsirJiina metastigma, Wlk., Cat. Brit. Mus. xxxii, p. 556. 
N.S.W. Sydney, 10. 
ASPIDUCHA FOLA. 
Qlathe fola, Swin, A.M.N.H. 1902, p. 82. 
N.W.A. Eoeburne ; one 9 example in Coll. Lyell. 
Fam. DItErAXID.E. 
A critical study of this small family, which is developed mainly 
in the Indo-Malayan region, should be of great interest, both on 
account of the considerable range of structural variation within the 
family, and because of its probable relationship to other groups. 
Three species are known in Queensland, all beloi iging to the most 
modified section, in which the frenulum and tongiu are both absent. 
I refer them to three genera all closely related to the Indian genus 
Greta, Wlk. 
a. Forewings with 7 and 8 coincident, 9 arising separately from 
cell ; hind wings with 7 anastomosing with 8 ... ... Amphitorna. 
aa. Forewings with 7 and 8 stalked, 9, 10, 11 stalked ; hind- 
wings with 7 approximated to 8. 
b. Palpi minute ... ... ... ... ... ... ... !N~eoreta. 
Palpi well-developed, upturned Holoreta. 
Gen. AMPHITOENA nov. 
[a/xc/)iTopi/os, well-rounded.] 
Tongue absent. Palpi minute. Antennae laminate in both 
sexes, the laminations broad and closely appressed. Middle and 
posterior tibiae with well-developed terminal spurs, the latter without 
