. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. POTATOES.—COLOtlADO UEETLE. 169 \ waiting on account of their phyness under observation) +hev were then "observed to feed by taking the edge of the leaf and holding it steadily between their legs," whilst thev devoured it as described. "^ In last y
. A manual of injurious insects [microform] : with methods of prevention and remedy for their attacks to food crops, forest trees, and fruit : to which is appended a short introduction to entomology. Insect pests; Agricultural pests; Entomology; Insectes nuisibles, Lutte contre les; Ennemis des cultures, Lutte contre les; Entomologie. POTATOES.—COLOtlADO UEETLE. 169 \ waiting on account of their phyness under observation) +hev were then "observed to feed by taking the edge of the leaf and holding it steadily between their legs," whilst thev devoured it as described. "^ In last year, however (1889), the Eev. Theodore Wood, ^.b., mentioned to me that he did not think that he had ever gone out with a lantern by night, and examined a row of growing Peas or Beans, without finding the beetles upon the leaves in hundreds, all busily nibbling away at the edges. At such times they are not nearly so susceptible to alarm, and do not fall at the vibration of a passing ; ... "I also find that a thick layer of soot is as efficacious as any- thing for keeping them away. Only this must always be renewed after a shower of ; It was also noted, by Mr. Malcolm Dunn, of Dalkeith, an excellent authority m matters of injurious insect prevention, that a dressing of lime or soot given to the Peas (wetting them first to make it adhere) was an easily applied and genera ly effective ; Any dressing that was dis- tastelul to the beetles, which could be thrown on the ground along the rows of Peas, and fill in the crannies down which they hide when disturbed from their work above, would help to lessen the mischief. POTATOES. Colorado Beetle. Ihivyphom (hnmlirn'ota, 1 aud 2, Colorado Beetle, magniHed, and nat. size; 3, caterpillai-; 1, 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
Size: 1614px × 1549px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectentomology, bookyear1
