. Minute marvels of nature, being some revelations of the microscope, exhibited by photomicrographs taken by the author. Natural history; Microscopes. INSECTS' EGGS 137 check was placed upon their increase, all vegeta- tion would soon be destroyed. Luckily, however, there are numerous enemies that prey upon them. Fig. 86 shows the pearly iridescent egg of one of the hover-fliesâwasp-like flies that are often seen. Fig. 86. A]) egg of a hover-fly. ;â ; 25 diameters poised by the rapid vibrations of their wings over plantsâthese flies usually place their eggs singly on stems and leaves amongst t
. Minute marvels of nature, being some revelations of the microscope, exhibited by photomicrographs taken by the author. Natural history; Microscopes. INSECTS' EGGS 137 check was placed upon their increase, all vegeta- tion would soon be destroyed. Luckily, however, there are numerous enemies that prey upon them. Fig. 86 shows the pearly iridescent egg of one of the hover-fliesâwasp-like flies that are often seen. Fig. 86. A]) egg of a hover-fly. ;â ; 25 diameters poised by the rapid vibrations of their wings over plantsâthese flies usually place their eggs singly on stems and leaves amongst the aphides, and when the voracious young larva of the hover-fly emerges, woe unto those green-flies ! The larvae of these flies are remarkable tor several curious features, considering- the nature of their food. In the first place, they are blind ; secondly, they are footless ; and thirdly, they drop from leaf to. 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 Ward, John J. New York, T. Y. Crowell and Co.
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Keywords: ., bookcentury1900, bookdecade1900, books, booksubjectnaturalhistory
