. Manual of fruit insects. Fig. 67. — Small apples eaten by the photo. Fig. 68. —Pupa of the fruit-tree photo. of a miscible oil, one part in 19 parts of water, made early in thespring while the trees are dormant. Efficient work against theeggs can also be done with a 10 per cent kerosene emulsion whenever for any reason itis undesirable to use a mis-cible oil. In case the eggshave not been treated it isnecessary to resort to arsen-ical sprays to kill the youngcaterpillars. Use arsenateof lead, 6 pounds in 100„ ._ T, V. , r ,1 ^u gallons of water, making t
. Manual of fruit insects. Fig. 67. — Small apples eaten by the photo. Fig. 68. —Pupa of the fruit-tree photo. of a miscible oil, one part in 19 parts of water, made early in thespring while the trees are dormant. Efficient work against theeggs can also be done with a 10 per cent kerosene emulsion whenever for any reason itis undesirable to use a mis-cible oil. In case the eggshave not been treated it isnecessary to resort to arsen-ical sprays to kill the youngcaterpillars. Use arsenateof lead, 6 pounds in 100„ ._ T, V. , r ,1 ^u gallons of water, making the Fig. 69. — Fruit-tree leaf-roller moth. ^ . ° Knight photo (X 2^). first application just as soon. APPLE INSECTS — BUDS AND FOLIAGE 65 as the buds begin to burst, and the second when the blossombuds in the cluster begin to separate. This should be followedby the regular spray for the codlin-moth just as the last of thepetals are falling. References Col. Agr. Exp. Sta. Bull. 19, pp. 3-9. Agr. Exp. Sta. Bull. 71. Agr. Exp. Sta. Bull. 311. St. Ent. Circular 5. S. Bur. Ent. Bull. 116, Pt. V. 1913. The Oblique-banded Leaf-rollerArchips rosaceana Harris The caterpillar of this leaf-roller varies from a light yellowish-brown to apple green in color and is about f of an inch in length,with a brownish-black head and thoracic shield, the latter usuallywith a whitish cephalic border, and often more or less greenbordered with black. It lives in a nest similar to that of thebud-moth, formed by rolling or folding and tying together leavesof apple, pear, cherry, plum, peach, rose, raspberry, gooseberry,currant, strawberry, and several other trees, wild be
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbenefic, bookyear1915
