. Injurious insects : how to recognize and control them . Insect pests; Insect pests. 152 FESTS OF GABLES ASB FIELD CROPS The Twelve-spotted Cucumber Beetle (Diahrotica duodtcimpundata Oliv.) This insect, in its lan'al stage, is known in the South as the southern com root-worm, where it is a pest of com and other field crops. In the central and northern re- gions injury by the adult beetle is more often noted, the crops at- tacked being cucumber, melon, scjuash. beets, cabbage — in fact, almost every sort of ^"egetable. The beetles are especially partial to the blossoming parts of the pla
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. 152 FESTS OF GABLES ASB FIELD CROPS The Twelve-spotted Cucumber Beetle (Diahrotica duodtcimpundata Oliv.) This insect, in its lan'al stage, is known in the South as the southern com root-worm, where it is a pest of com and other field crops. In the central and northern re- gions injury by the adult beetle is more often noted, the crops at- tacked being cucumber, melon, scjuash. beets, cabbage — in fact, almost every sort of ^"egetable. The beetles are especially partial to the blossoming parts of the plant. The adult is easily recognized. It is one fourth of an inch long, broader toward the hind end. yel- lowish green. Fig. —The Twelve-spotted Cu cumber Beetle. Enlarged and natu ral size. Orisinal. m color, and ornamented ack spots on its back. Its head with twelve is black. The adults hide away during the winter, and appear early in the spring. There are two generations in the North, and probably more in the .South. Remedies for the adult beetle are the same as those for the striped cucumber beetle. Tbe Asparagus Beetle iCrioccris asparagi Linn.) Boih the young shoots and the leafy tops of asparagus are attacked by the larva and the adult beetle of this species. The shoots are rendered unfit for use. and the injury to the tops weakens the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company
Size: 1581px × 1581px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
