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PLATE X.—THE HYLESINUS OLEIPERDA.
Fig. 1. Small branch of the olive attacked by the Hylesinus at points a. and b, recognized by the hole through which the insect penetrated and by the reddish spots which show the locality of the galleries.
Fig. 2. A small piece of the bark showing the inside work with principal gallery a, and the eggs in place b, (enlarged.)
Fig. 3. A small piece of the wood stripped of bark showing the main gallery a, and the secondary galleries b, dug out by the larvæ, (enlarged.)
Fig. 4. The egg (enlarged.)
Fig. 5. The larva (enlarged.)
Fig. 6. The chrysalis (enlarged.)
Fig. 7. The insect (enlarged.)
