. Insects, injurious and beneficial, their natural history and classification, for the use of fruit growers, vine growers, farmers, gardeners and schools . Sub-family II. (Lecaninse.) Genus Ceroplastes. The species belonging to this genus are furnished with athick covering of waxy material, which does not, however,adhere closely to the insect. This covering is formed of layerssecreted by the spinnerets. Some of the species have tuber-osities upon the back which are larger or smaller, accordingto the age of the insect, and which entirely disappear at fullgrowth, when, from being more or less fl
. Insects, injurious and beneficial, their natural history and classification, for the use of fruit growers, vine growers, farmers, gardeners and schools . Sub-family II. (Lecaninse.) Genus Ceroplastes. The species belonging to this genus are furnished with athick covering of waxy material, which does not, however,adhere closely to the insect. This covering is formed of layerssecreted by the spinnerets. Some of the species have tuber-osities upon the back which are larger or smaller, accordingto the age of the insect, and which entirely disappear at fullgrowth, when, from being more or less flat with tuberosities,they become smooth and globular. The antenna? are six- SCALE INSEl TS. 121 jointed, the third heing the longest. In the larva state thefourth and fifth appear as one. The legs are long ; the claw is. --
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectinsects, bookyear1883
