The cherry leaf-beetle : a periodically important enemy of cherries . THE CHEERY Fig. 3.—The cherryleaf-beetle: Newlyhatched enlarged.(Original.) the other thoracic segments, and all abdominal segments except the ninth and head is provided with a few scattered long bristles. The ninth abdominal seg-ment is rounded behind and concave above, very heavily chitinized. and with a rowof long bristles around the edge. Below it is rather conical, withthe very small tenth segment forming the apex of the cone. Thelatter bears the anus, which is modified to form an auxi
The cherry leaf-beetle : a periodically important enemy of cherries . THE CHEERY Fig. 3.—The cherryleaf-beetle: Newlyhatched enlarged.(Original.) the other thoracic segments, and all abdominal segments except the ninth and head is provided with a few scattered long bristles. The ninth abdominal seg-ment is rounded behind and concave above, very heavily chitinized. and with a rowof long bristles around the edge. Below it is rather conical, withthe very small tenth segment forming the apex of the cone. Thelatter bears the anus, which is modified to form an auxiliary organof locomotion. On each side, between the prothoracic and meso-thoracic segments, can be seen a small tubercle surrounding themesothoracic spiracle, and each of the first eight abdominal seg-ments is provided with a pair of spiracles. On each side of themiddle the pro thorax is irregularly impressed. This concavitypersists through all stages. At full growth (fig. 4) each instar is very much distended, theyellowish skin becomes visible, and the dark color is confined toplates an
Size: 1114px × 2243px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidcherryleafbeetle352cush
