| abstract |
INSECT POPULATIONS ARE CONTROLLED BY TREATING AN IMMATURE FORM OF THE INSECT WITH A COMPOUND POSSESSING JUVENILE HOMONE-LIKE ACTIVITY. SUCH A COMPOUND IS ONE HAVING THE FORMULA Y-CH2-CH2-CH(-Z1)-C(-Z2)(-R1)-CH2-CH2-CH(-Z3)-C(-Z4)(-R2)- R3 WHEREIN Y IS THIENYL, PHENYL OR SUBSTITUTED PHENYL. FOR EXAMPLE, 9- 3,4-METHYLENEDUIXOGEBTK)2-6-DIMETHYL-2,6NONADIENE EXHIBITS VERY GOOD ACTIVITY. MANY OF THE COMPOUNDS DESCRIBED ARE NOVEL. |