BEET AND SPINACH INSECTS 107 



Control. 



The spiiiiicli iipliis is readily killed when liit by s])niyin<;' with 



"Black Leaf 40" tobacco extract, I i)int in 100 gallons of 



water to which 5 or G pounds of soap have been added. On 



spinach, however, and other i)lants the leaves of which lie close 



to the ground, it is not easy to obtain satisfactory control 



owing to the difficulty of wetting the underside of the leaves 



with the spray. 



References 



Taylor, Jour. Econ. Ent., 1, pp. 83-91. 1908. 

 Col. Agr. Ex]). Sta. Bull. 133, pp. 32-37. 1908. 

 Va. Truck Exp. Sta. Bull. 2, pp. 30-32. 1909. 



Other Beet and Spinach Insects 



Southern eorn root-worm : 222 



Cabbago looijor : 8 



Cabbage web worm : 16 



Garden webworm : 18 



Harlequin ('ab])age ))ug : 38 



Serp(!ntin(^ leaf-miner : 4() 



Fals(; ehinoh-bug : 47 



Yellow bear cater])illar : 3r)7 



Carrot beetles : 185 



Celery leaf-tyer : 189 



Celery looper : 191 



Adelphocoris rapidus: 195 



Western twelve-spotted eueinnber beetle^ : 114 



Belted cucumber beetle : 115 



Melon aphis : 135 



Garden springtail : 139 



Potato aphis : 150 



Common stalk-b<)r(>r : 157 



Grape colaspis : ()7 



Bean thrips : ()9 



Bean aphis : 7() 



Garden flea-hopix^r : 77 



Spotted cutworm : 2()2 



Greasy cutworm : 205 



Red-])acked (nitworm : 267 



Dark-sided cutworm : 2()8 



