Page:The Olive Its Culture in Theory and Practice.djvu/148

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PLATE XIII.—PRAYS OLEELLUS.

THE OLIVE MOTH.

Fig. 1. Branch attacked by the first generation of moths, (a. a.) eggs deposited on lower side of leaf, (b) larva which feeds on the leaf, (c) a dult larva which does the same.

Fig. 2. Infested by the second generation on the blossoms when forming.

Fig. 3. Infested by the third generation at work on the fruit.

Fig. 4. Young olive enlarged to show position of egg of this insect.

Fig. 5. Full grown olive cut in two, inhabited by larva, (a) pulp, (b) nut, (c) seed, (d) larva of the moth which has already consumed a part of the seed, (e) part of seed bored and full of excrement of the larva.

Fig. 6. Full grown olive (enlarged) , from which the larva has departed to become a chrysalis, (a) pulp, (b) nut, (c) seed almost empty only the outer skin remaining, (d) excrement left by the larva, (e) exit of larva.

Fig. 7. Egg (enlarged.)

Fig. 8. 8, 8a, 8b, Larvæ in three stages of development.

Fig. 9. 9, 9a, 9b, Chrysalides corresponding to larvæ 8, 8a, and 8b, (enlarged.)

Fig. 10. 10, 10a, and 10b, Moths with stages of development. 10(1), the same with wings closed, 10(2) the same seen from the side.