A handbook of the destructive insects of Victoria, with notes on the methods to be adopted to check and extirpate them . ny of the smaller moths, but, when the fruitsare eaten, are most injurious to children, also to stock, andshould never be allowed to grow within miles of eitherfarms, orchards, vineyards, or gardens of any sort. If tobacco plants should be attacked, a light sprayingof White Hellebore, mixed in the proportion as givenelsewhere in this part of the book, would be effectual indestroying the grubs on any infested plants. The introduction of noxious and often poisonous weedsinto t
A handbook of the destructive insects of Victoria, with notes on the methods to be adopted to check and extirpate them . ny of the smaller moths, but, when the fruitsare eaten, are most injurious to children, also to stock, andshould never be allowed to grow within miles of eitherfarms, orchards, vineyards, or gardens of any sort. If tobacco plants should be attacked, a light sprayingof White Hellebore, mixed in the proportion as givenelsewhere in this part of the book, would be effectual indestroying the grubs on any infested plants. The introduction of noxious and often poisonous weedsinto these colonies has been a real calamity, as in severalcases the advent of destructive insects into Victoria maybe traced to their agency. 156 DESTRUCTIVE INSECTS OF VICTORIA PLATE XXXIV. The Cabbage Moth (Plutella cruciferarum.—Zeller1). Fig. 1. Leaf of cabbage, showing larvae and pupae, also damage done to leaf. Natural size. 2. Moths. Natural size. 3. Larva suspended by silken thread. Natural size. 4. Larva. Magnified. 5. Moth. Magnified. 6. Ichneumon (parasite). Magnified. 7. Ichneumon (parasite). Natural Plate XXXIV. THE CABBAGE MOTH. 157 CHAPTER XXXVIII. THE CABBAGE MOTH. (Plutella cruciferarum. Zell.)Order: Lepidoptera. Section: Heterocera. Group: Tineina. This very destructive pest is one that causes animmense amount of damage, and amongst marketgardeners throughout many parts ot the world the lossesoccasioned through the attacks of these insects areenormous. The Cabbage Moth, Diamond-back Moth, andu Green Worm of Cabbage are one and the sameinsect. This is an insect on which a good deal has beenwritten, and a vast amount of useful and valuable infor-mation published, the latest being a very able reportprepared by Mr. Charles Whitehead, , for theIntelligence Department of the Board of Agriculture,London, 1891, and from which I have taken the liberty ofquoting freely, the author having kindly presented mewith a copy of said report. This little moth, the natu
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