Page:The Olive Its Culture in Theory and Practice.djvu/132

108 pruned away should be burned at once. Another way is to spray the tree, of course before it is in blossom, either with a solution of whale oil soap, and lye, or still better, use high fire test kerosene, mixed with ten times its volume of water.

The characteristics of this insect are the following:

The egg is orange color, oblong-ovoid in shape (Fig 4). Larva, (Fig. 5, 6,) which hatches in fifteen days from deposit of egg, is very agile in movement, body a depressed ovoid-oblong, composed of eleven rings; one, cephalic, three thoracic which are the largest, and seven abdominal short ones. The antennæ silky and nine jointed, (Fig. 12), the first of which is short and thick, the second very small and the third is the largest of all. After the last abdominal ring there is a wedge shaped appendage and from the posterior angles of this ring start two bristles as long as the abdomen.

The tarsi which forms almost a continuation of the tibia have two joints, the last of which has two small claws and two filaments, ending in buttons. The outlines of the body are fringed with short hair, general color pale yellow, the eyes brown.

When the first shedding takes place the chrysalis becomes fixed and adherent. The body gradually extends iselfitself [sic] and the caudal filaments drop away. The figure and transformation varying according to the sex. The male chrysalis after the first moulting has the form of an ellipse, with a ridge running lengthwise the centre of the back, with two other ridges crossing it at right angles. This lengthwise ridge is cut off square near the head and from it spring two other smaller ridges which terminate in eyes. The rings of the body are indistinct, the margins are spread out like a plate, they are rounded at the bottom and lightly fastened together. The antennæ