230 



SUCCESSFUL FARMING 



1 Eutettix tenella: a, adult; 6, nymph; c, wing; d, e, genitalia; /, eggs, greatly 

 enlarged; g, section of beet stem, showing fresh eggs in place; h, same, showing eggs 

 ready to hatch; i, old egg-scars on beet stems; j, small leaf of sugar-beet, showing 

 characteristic " curly-leaf " condition; /c, enlarged section of back of an extreme case of 

 "curly-leaf," showing "warty" condition of veins. 2 Eutettix strobi: a, work of 

 nymphs on sugar-beets; 6, leaf enlarged. 3 Eutettix sdtula: adult. 4 Eutettix 

 clarivida: a, wing; b, head and pronotum; c, d, genitalia. 5 Eutettix nigridorsum: 

 work of nymphs on leaf of Helianthus. 6 Eutettix straminea: work of nymphs on 

 leaf of another Helianthus. 7 Eutettix insana: wing. 8 Eutettix stricta: a, b, 

 genitalia. 



Treatment. Apply arsenicals until the cabbage head is half grown. 

 If spray is used, add resin fish-oil soap as a sticker. 



HARLEQUIN CABBAGE BUG (Murgantia histrionica). 1 



A Adult. B Egg mass. C First stage of nymph. D Second stage. 

 E Third stage. F Fourth stage. G Fifth stage. All enlarged. 



The Cabbage Maggot (Pegomya brassicce, Bouche). Soft white mag- 

 gots work in the roots of cabbage, turnip and cauliflower, eating away the 

 root hairs and scarring the surface of the larger roots. This maggot is the 

 larva of a two-winged fly which lays its eggs in the ground near the plants. 



Treatment. Fit a disk of tarred paper about four inches in diameter 

 around the stem of each plant, letting it lie flat on the ground to keep the 



Bur. Ent. Cir. 103. 



