SIMULATING (JRTHOPTERA. 



221 



Fig-, ig. A group ot " Stick " and " Leaf " iiTsccts from Australia, the 

 Malay.an islands, &:c. 



folded over the back, and having the exact appearance of a 

 young plant with two bright green leaves and a pink based 

 green stern. 



Fig. 20 illustrates a few more of these remarkable 

 leaf-like insects, most of them being from Africa. The 

 six specimens with the wings expanded have a beautiful 

 leaf-like appearance when the wings are closed, and the 

 insects are in repose. The fore wings are either green or 

 brown, the nervures are exactly like the veins of leaves 

 in both colour and pattern ; and the concealment amongst 

 vegetation is complete when the gauzy hind wings are 

 folded away and the insects are resting. In one of these, 

 Arantia, the wings are studded all over with yellow spots, 

 in precisely the same way as a fungus-spotted leaf is often 

 found. In the centre of the same illustration is a very 



