REPORT OP THE STATE ENTOMOLOGIST 1901 841 



44 Zebra caterpillar, Mamestra picta Harr. Principal 

 food plant: cabbage. 



Treatment: Spray young plants with arsenical poisons, use 

 pyrethrum or hellebore on older ones. 



Chief accessible articles: Lintner, J. A., state ent. 5th rep't, '89. 

 p. 206-10; Felt, E. P., state ent. 14th rep't, '98. p. 201-7. 



45 Microplitis mamestrae, Weed, a parasite of the 

 preceding. 



46 Variegated cutworm, Peridroma saucia Htibn. 

 Principal food plants: a number of garden crops. 



Treatment: poisoned baits. 



Chief accessible article: Lintner, J. A., state ent. 5th rep't, 

 ? 89. p. 200-6. 



47 Colorado potato beetle, Doryphora 10- lineal a Say. 

 Principal food plant: potato. 



Treatment: Spray with arsenical poisons, hand picking. 

 48Lebia grandis Hentz. This species preys on the 

 preceding. 



49 Spined soldier bug, Podisus spinosus Dall. Another 

 predaeeous enemy of 47. * 



50 Margined blister beetle, Epicauta cinerea Forst. 

 Principal food plant: frequently injures potatoes. 



Treatment: Dust vines with ashes, plaster, etc., spray with 

 arsenical poisons only when necessary, as the young are 

 beneficial. 



Chief accessible article: Lintner, J. A., state ent. 6th rep't, '90. , 

 p. 134-35. 



51 Striped blister beetle, Epicauta vittata Fabr. Prin- 

 cipal food plant: frequently injures potatoes. 



Treatment: Same as preceding. 



Chief accessible article: Lintner, J. A., state ent. 6th rep't, '90. 

 p. 132-34. 



52 Stalk-borer, Hydroecia nitela Guen. Principal food 

 plants: tomato, potato and other thick stalked plants. 



Treatment: Destroy caterpillars in wilting stalks. 

 Chief accessible article: Lintner, J. A., state ent. 1st rep't, '82. 

 p. 110-16. 





