1939] 
Oriental CEstropsychinae 
59 
and its upper border is plainly thickened ; fork one is scarce- 
ly longer than pedicel; one costal cross-vein fairly distinct 
and sometimes a second shows, fork two sessile. 
Mid leg of female with tibia less swollen than in most of 
the larger species; spurs 0, 4, 4, the preapical pair of hind 
legs very small, and one of the apical pair is much longer 
than the other. 
Length of fore wing 7 to 7.5 mm. 
From Chung Kon, 18 July; Dome Mt. 13 July, both on 
Hainan Island, and Kit Tau, South Kiangsi, China, 20 June 
(Gressitt) . Type M.C.Z. no. 23470. 
It differs from A. minima in not having fork two pedi- 
cellate, in lacking the faint brown band over anastomosis, 
and in shape of the median cell; from the equally small A. 
distincta it differs in not having front femora and tibiae 
darkened, in shape of the median cell, etc. 
Explanation of Plates I and II. 
Fig. 1. Amphipsyche apicalis, fore wing. 
2. CEstropsyche palingenia, genitalia below. 
3. Amphipsyche apicalis, genitalia above, and penis 
from side and above. 
4. Polymorphanisus unipunctus, part of fore wing. 
5. CEstropsyche vitrina, tip of penis. 
6. CEstropsyche hageni, tip of penis. 
7. Amphipsyche delicata, part of fore wing and hind 
leg. 
8. Amphipsyche apicalis, genitalia below. 
9. Polymorphanisus scutellatus , part of fore wing. 
10. Amphipsyche delicata, part of hind wing. 
11. Polymorphanisus tumidus, part of fore wing. 
12. Polymorphanisus tumidus, head from side. 
13. Amphipsyche magna, tip of penis and clasper. 
14. CEstropsyche vitrina, median cell of fore wing of 
male. 
15. Amphipsyche apicalis, genitalia, side. 
16. Amphipsyche magna, superior plate, above. 
17. Amphipsyche magna, fore wing of male. 
