. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. THE HOP FLEA-BEETLE. 89 This method captures a satisfactory percentage of the beetles and should be comparatively inexpensive. But unfortunately the re- peated operations ^vhicll are necessary bring the cost to a high ligure. It cost INIr. Hulbert last year approximately $ per acre for each operation. He went over his vines six times, and some parts of the yard eight or ten times. He expected to go over it at least twice more, so that the total cost would be from $10 to $15 per acre. In figure 19 a portion of
. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. THE HOP FLEA-BEETLE. 89 This method captures a satisfactory percentage of the beetles and should be comparatively inexpensive. But unfortunately the re- peated operations ^vhicll are necessary bring the cost to a high ligure. It cost INIr. Hulbert last year approximately $ per acre for each operation. He went over his vines six times, and some parts of the yard eight or ten times. He expected to go over it at least twice more, so that the total cost would be from $10 to $15 per acre. In figure 19 a portion of a hop field is shown which illustrates the tarred " boards " in place for use. The fit a-beetles are dusted off of the vines upon these tarred receptacles with wisps of ha}', as. I"i(J. 111.—I'ortion (if Imp licld wiili honrils in place. I'Mea-liociIcs aro diisled with wisps of liay from tlie vines onto tarred boards. (Original.) described above. All of the vines were tanglefooted, but the flea- beetles went up the i:)oles and crossed over on the wires overhead until the tanglefoot was applied. Plate YII illustrates the method of capturing tlie hop flea-beetle on tarred horse sledges, also by shaking the vines. Millions were captured in this way. CLEAX C' Frequent stirring of the soil and other cultural operations seem, as yet, to be of no appreciable help, according to ]V[r. Quaylo. and the kind of soil also seems to have little or nothing to do with the abun- 06—VI. 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 United States. Bureau of Entomology. Washington : G. P. O.
Size: 1775px × 1408px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubje, booksubjectentomology
