INJURIOUS AND BENEFICIAL INSECTS 



27 



the pest under control then. Young beds and others badly in- 

 fested after cutting ceases should be 

 sprayed with poison, or a mixture of 

 paris green with plaster or fl.ur should 

 be dusted on the plants while they are 

 wet with dew. 



51 12 spotted asparagus beetla ( C r i - 

 oceris 12-punctata). Slate col- 

 ored grubs about ^ inch long or stout, 

 nearly cylindric red beetles about 



inch long, with 12 black spots^ eating 



Fig. 42 Asparagus beetle, en- 

 larged about six diameters, with 

 farther enlargement of antenna and 

 front tarsus 



the more tender portions of the plant. 



Known to occur in the state in several places in the Hudson river 



valley and in a 

 number of widely 

 separated localities 

 in the western part 

 of the state. 



Treatment: same 

 as the preceding. 



52 Red headed flea 

 beetle ( iS y s t e n a 

 frontalis). 

 Ragged holes and 

 brown spots made 

 by small, jumping, 



black, red headed beetles about -^^ inch long. iSometimes occurs 



in large numbers. 



Treatment: spray affected plants with 



poison or with poisoned bordeaux mix- 

 ture, preferably the latter. Clean culture 



will do much to prevent attack by this 



insect. 



53 Blister beetles (Epicauta cin- 



erea, E. vittata). Feeding in July 



and August on the foliage of potato and 



other plants, cylindric, soft beetles about f,Jf ^^^"^' enlarged -(origi 



f inch long and black and gray, or black striped with yellow. 



Fig. 43 12 spotted asparagus beetle: a adult beetle; b larva; 

 c, d enlarged segments (after Chittenden, U. S. dep't agr., Year- 

 book 1896) 



Fig. 44 Red headed flea bee- 

 tle: a showing leg adapted to 

 jumping — much enlarged, b 



