Important insecticides : directions for their preparation and use . ^ applied to the leaves or other parts of the plant attacked,. Fig. 1.—niustrating the dififerent classes of biting insects. ^AUnatural size. (Authors illustration.) and which will be swallowed by the insect with itsfood, furnish the surest and simplest remedy, andshould always be employed, except where the parts treated are themselves to be shortly used for the food of animals or of man. INJUHY FROM SUCKING INSECTS. The sucking insects are those which injure j^lants by the gradualextraction of the juices from the bark, leaves
Important insecticides : directions for their preparation and use . ^ applied to the leaves or other parts of the plant attacked,. Fig. 1.—niustrating the dififerent classes of biting insects. ^AUnatural size. (Authors illustration.) and which will be swallowed by the insect with itsfood, furnish the surest and simplest remedy, andshould always be employed, except where the parts treated are themselves to be shortly used for the food of animals or of man. INJUHY FROM SUCKING INSECTS. The sucking insects are those which injure j^lants by the gradualextraction of the juices from the bark, leaves, or fruit, and includethe plant-bugs, aphides, scale insects, thrips, and plant-feeding insects possess, instead of biting jaws, sucking beaks or bristles,which are thrust down through the outer layers of the bark or leavesimportantinsecti00marl
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