242 A NATURALIST IN BORNEO 



HEMIPTERA : 



Coreida 2 species Ectatops rubiaceus 



Reduviida i Serinetha abdominalis 



LEPIDOPTERA : 



Zyganidce i species Phauda limbata x 



Several insects, red, orange, or yellow in colour, 

 with black spots, exhibit another type of coloration 

 known as the Coccinelliform pattern, since the Lady- 

 birds, or Coccinellidce, constitute the central dominant 

 models copied by other insects. The Vespiform pat- 

 tern, dark with bright yellow bands, is another com- 

 mon type of insect coloration, and attention has already 

 been drawn to the black, white-tipped colouring of the 

 group converging on Melipona. But enough has been 

 said to show that those who seek to demolish the 

 theory of mimicry as due to natural selection have a 

 very difficult task before them. 



1 This species is underlined in Mr. Shelford's manuscript, but, 

 I think, accidentally ; for the Zygcenidce have all the characteristics 

 of a distasteful group. Furthermore, Mr. Shelford has indicated 

 his belief that the species is a Miillerian mimic in P.Z.S., 1902, II., 

 p. 369. This memoir, pp. 230-84, and the accompanying coloured 

 Plates, XIX-XXIII, should be consulted in connection with the 

 present chapter. E. B. P. 



