. Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Beneficial insects; Insect pests. ORDER 0 DON ATA 75 case, their wings expanding rather slowly or gradually. In about a half-hour they are ready for flight. Their very rapid movements and habits have given rise to a number of common names. Aside from the dragon fly they are called mosquito-hawks, which is quite appro- priate on account of their feeding on mosquitoes. Sometimes they are called snake feeders or snake doctors. In the past the name devil's darning needle was quite popular, although not used much
. Agricultural entomology for students, farmers, fruit-growers and gardeners. Insects; Beneficial insects; Insect pests. ORDER 0 DON ATA 75 case, their wings expanding rather slowly or gradually. In about a half-hour they are ready for flight. Their very rapid movements and habits have given rise to a number of common names. Aside from the dragon fly they are called mosquito-hawks, which is quite appro- priate on account of their feeding on mosquitoes. Sometimes they are called snake feeders or snake doctors. In the past the name devil's darning needle was quite popular, although not used much at present. It was said that they sewed up the ears of untruthful Fig. 36.—Dragon fly Libellula pukhella. (Photo by author.) These different common names illustrate different popular interest in the group and forms of superstition. These insects seemed to inspire a great deal of dread before their life history and habits were known definitely. The group Odonata can be looked upon as being very useful and serviceable to mankind, as they feed on destruc- tive insects, mainly mosquitoes and many aquatic organisms. Of course they feed on useful insects as well as detrimental ones, but it is generally believed that the majority are detri- mental 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 Osborn, Herbert, 1856-1954. Philadelphia ; New York : Lea & Febiger
Size: 2003px × 1248px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectb, booksubjectinsects
