ORCHESIA, OR ' JUMPER.' 



147 



the thorax nearly to the eyes, so that it cannot he seen from 

 above. 



Our first example of this family is Orchesia undulata, vihich 

 is shown on "VVoodcut XV. ¥ig. 5. This genus can be known 

 by the extraordinary length of the spines of the hinder tibia^, 

 and the antennae gradually thickening- to the tip, as is seen at 



1. Sitaris humeralis. 2. Clerus ap'ariiis. 3. Drilus flavescens, female. 4. Drilu3 



flavescens, male. 5. Rhipiphorus paradoxus. a. Balaninns nuoiim, head. h. Rhipipho- 



rns, larva. c. Rhipiphonis, antenna, male. d. Rhipiphorus, antenna, female. e. Meloo, 

 young larva, magnified. 



Fig", h. The word Orchesia signifies 'jumper,' and is applied to 

 these Beetles because they possess the power of leaping, a power 

 which is exercised in rather a ludicrous way when they are turned 

 out of their homes, skipping and popping about like so many 

 sandhoppers. The head and thorax of this species are rust-red, 

 and on the thorax are two black arches, under each of wliich is 

 a black dot. The colour of the elytra is yellower than that of 



L 2 



