CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 31 3 



Twelve -spotted Asparagus Beetle {Crioceris 1 2-punctata) . A dull. — 

 Wings orange-red with 12 black spots. Feeds on the foliage. 



Eggs.— 'l^diid singly on side, mostly near the ends of old 

 shoots. 



Larva. — Three-tenth inch long; head brownish and body yellowish. 

 Feeds within the growing berry. 



Pupa. — As in C. asparagi. 



Control. — Allow chickens the run of the patch; keep all asparagus 

 cut down except the marketable shoots and cut these every day or two; 

 allow some shoots to grow as traps and spray these with arsenate of 

 lead; dust air-slacked lime over the plants while they are wet with 

 dew; beat or brush the larvae from the plants to the bare ground, 

 where many will die. 



Strawberry Root Borer {Typophorus caneUus Fab.). Adult. — 

 Small, } 8 inch long; black to reddish-yellow; black spots on wing-covers. 

 August. Hibernates under mulch. One brood a year. 



Eggs. — ^Laid in spring (May- June) on or near the surface of the 

 ground. 



Larva. — -Full grown in July-August; feeds on roots of straw- 

 berry. 



Pupa. — Formed in a small smooth-lined earthen cell. 



Other Strawberry Root Borers are Graphops pubescens Mels., a 

 metallic copper-colored Chrysomelid, and Colas pis brunnea Fab. 



Control.— Adopt short rotation; apply lead arsenate (4-6 lb. in 

 100 gal. water) to the leaves when beetles appear. 



Bean Leaf Beetle (Cerotoma trifurcata Forst.). — An injurious bean 

 pest in the Eastern Middle and Southern States. The beetles eat large 

 holes in the growing leaves, and the grubs feed on the roots and main 

 stem just below the surface of the ground. One brood in the North but 

 more in the South. 



Adult. — A small yellowish-red beetle marked with black; 1^ inch 

 long; sluggish; hibernates. 



Eggs. — Orange-colored; laid in clusters of 6-12 near the bean 

 plant just below the surface; hatch in 5-8 days. 



Larva. — ^Three-tenth inch long, .cylindrical, milk-white; head and 

 anal segment dark. Full grown in 6-7 weeks. 



Pupa. — White, duration 5-8 days. 



Control. — ^Lead arsenate spray. 



