ORTCTES. 



279 



The head and thorax are very similar in the two sexes, but the 

 c? has generally a longer horn. The pygidium is protuberant in 

 both sexes, but in the d* it is rounded, finely rugose and bare, 



Fig. 63. — Larva («), pupa (h), and male imago (c) of Oryctes rhinoceros, with 

 lateral view of head and thorax {d), and extremity of the body of male (e) 

 and female (/). All natural size. 



except for a hairy strip at the anterior margin, while in the $ it 

 is pointed and densely clothed with tawny hairs. 



Length 39-47 mm. ; breadth 18-22 mm. 



Ceylon; Madras: Malabar; Bombay: Kanara, Bandra; 

 Bengal : Howrah ; Tenassemm : Mali^\•on ; Siam ; Annam ; 

 Singapore ; Pahang ; Sumatra : Java ; Celebes ; Ceram ; 

 Amboyna ; Philippine Is. ; Formosa ; Corea ; Hongkong. 



