BKNEFICIAL INSECTS, PREDACEOUS AND PARASITIC 33 



been noted for eati7?g the Black Peach Aj^his and many 

 other plant-lice. 



A form which is often very abundant among lice on corn 



Fig 12.— 1, the Fifteeu-spotltd Ladybird: a, larva eating plant- 

 louse; b, pupa; d, beetle. 2, the Convergent Ladybird {Hippo- 

 damia convergens., larva, pu])a, and beetle. 8, the Nine- 

 spotted Ladybird {Coccinella 0-tiotata). 4, Megilla maculaia. 

 (After Riley.) 



is Megilla macuhita. The head, thorax, and wing-covers 

 are a dark pink, with two black spots on the thorax and 

 ten on the wing-covers. Such numbers of these little 

 fellows have frequently been 

 found huddled together un- 

 der the rubbish at the base 

 of some tree in a last yearns 



cornfield that they might be 



, 1 1. ^1 1 i-P 1 FiGt- 13. — The Twice-stabbed 



t'dken up by tlie iiancltui Ladybird (Chilocorus Uvulne- 



without difficulty. Many ^ws): «, beetle; 6, larva. (After 



Riley. ) 

 other species feed upon 



plant-lice, but the above are the most common, and all 



bear a resemblance to one another, being generally orange 



or red with black spots, and of a characteristic round or 



