204 



ENTOMOLOGY. 



The Flea-beetle (Haltica cucumeris Harris). Eating 

 holes in the leaves of this and other garden vege- 

 tables, especially the cabbage, sometimes riddling 

 them when young and causing them to turn rust- 

 color, minute blackish beetles, which on being dis- 

 a~ turbed leap off like fleas. Watering the leaves 

 beetle. w ft]-j a solution of lime, or sprinkling them with 

 wood-ashes, drives them away. 



The Striped Garden-bug (Lyyus lineolaris Beauvois). 

 Puncturing and poisoning the leaves of the potato and all 

 sorts of garden vegetables, causing them to wither and turn 

 black, a medium-sized bug with a yellowish head and a 

 5-lined thorax. 



REMEDIES. Sprinkle the leaves with, alkaline solutions, such as 

 strong soapsuds, or decoctions of tobacco and of walnut leaves, or 

 dust the leaves with air-slaked lime or sulphur. 



FIG. 247. European cabbage-butterfly. A, male; S, female; a, larva; b, pupa. 



After Riley. 



Besides the foregoing insects, potato-plants are often 

 attacked by the great Sphinx or horned caterpillar, the 

 grubs of the golden-helmet beetle (Cassida aurichalcca), 



