Insect pests of farm, garden and orchard . ellow abdomen, while in the female the firsthalf of the abdomen is reddish-orange and the rest is black. Theadults are abroad in May, but are very shy and are seldom Fig. 345.—Currant stem girdled by the stem-girdler. (After Slingerlaiul.) They are saw-flies in the truest sense of that term, for the femalemakes most efTective use of her saw-like ovipositor, as has beenvery interestingly described and illustrated by Professor Slinger-land. The ovipositor is thrust into the cane for its whole length,and through it the egg is deposited in the pith
Insect pests of farm, garden and orchard . ellow abdomen, while in the female the firsthalf of the abdomen is reddish-orange and the rest is black. Theadults are abroad in May, but are very shy and are seldom Fig. 345.—Currant stem girdled by the stem-girdler. (After Slingerlaiul.) They are saw-flies in the truest sense of that term, for the femalemakes most efTective use of her saw-like ovipositor, as has beenvery interestingly described and illustrated by Professor Slinger-land. The ovipositor is thrust into the cane for its whole length,and through it the egg is deposited in the pith. The egg is anelongate-oval shape, yellowish-white, and about one-twenty-fifthinch long (Fig. 344d). Immediately the female moves an inchor two higher and girdles the stalk by numerous thrusts of herovipositor, which is thrust in and then given a twist to one sideso that it comes out at one side of where it was forced in, andmakes a horizontal cut. The eggs are laid in late May and early INSECTS INJURIOUS TO CURRANT AND GOOSEBERRY 481 June and hatch in al:)Out eleven days. The young hirva boreinto the pith, luit tlie tunnel rarely extends over six inches belowthe point girdled. The full-grown larva is har
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcet, bookyear1912
