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 mst- 

 color, minute blackish beetles, which on being dis- 

 Fi fi^!~ toirbed leap of! like fleas. Watering the leaves 

 beetle. w itL a solution of lime, or sprinkling them with 

 wood-ashes, drives them away. 



The Striped Garden-bug {Lygus Uneolaris 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-liued thorax. 



Eemedies. — 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 cabbagre-biitterflv. A, male; B, 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 aurichalcea), 



