ACOSMERYX. 



81 



Subfamily CH^EROCAMPIN^E. 



Larva with the anterior somites retractile ; the third more or 

 less swollen ; the third and sometimes some of the other somites 

 laterally ocellated ; horn variable. 



Fig. 50. Larva of CJuzrocampa theylia (from Hmpsn. 111. Het. ix. pi. 175. fig. 1). 



Pupa without external sheath for the proboscis. 

 Imago. Proboscis large ; apex of fore wing but slightly pro- 

 duced ; male with small lateral expansions to abdomen. 



Key to the Genera. 



a. Hind wing with apex acute. 



a'. Palpi with first joint not hollowed out. 

 a 2 . Antennae gradually fining to a long 



hook. 



a 3 . Fore wing slightly excised below 

 apex ........................ 



6 3 . Fore wing very acute at apex. ... 



b' 2 . Antennae abruptly hooked. 



a 3 . Legs with spurs of moderate length. 

 b 3 . Legs with spurs very long ...... 



c 2 . Antennae very thick before the hook . 

 b'. Palpi with first joint hollowed out .... 



b. Hind wing with apex rounded ; antennae 



gradually fining to a long hook. 

 a. Hind wing with outer margin straight . 

 b'. Hind wing with outer margin excurved. 



1. ACOSMERYX, p. 81. 



2. AMPELOPHAGA, p. 83. 



3. CH^ROCAMPA, p. 84. 



4. DAPHNIS, p. 94. 



5. DILEPHILA, p. 97. 



6. THERETRA ; p. 99. 



7. ELIBIA, p. 100. 



8. ANGONYX, p. 101. 



Genus ACOSMERYX. 

 Acosmeryx, Boisd. Sphing. p. 214 (1875). 



Type, A. ancea, Cram. 



Range. Japan ; throughout India and Ceylon ; Borneo ; Java. 

 Antenna3 rather slight, the hook long ; palpi broad at tip ; fore 

 wing slightly excised below the apex. 



115. Acosmeryx ancea, Cram. Pap. Exot. iv, p. 124, pi. 355 A; 

 Butl. Trans. Zool. Soc. ix, pi. 90, figs. 11, 12 (larva and pupa) ; 

 C. $ S. no. 46. 



Philampelus sericeus, Wtk. Cat. viii, p. 181 ; C. & S. no. 45 ; Butl. 

 III. Het. v, pi. 78, fig. 2. 



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