. Elementary entomology. Insects. FLIES, MOSQUITOES, AND MIDGES 223 forked abdomen. They breathe through the respiratory tube pro- jecting upward from the abdomen, which is thrust through the surface of the water as the wriggler rests at the surface. The wrigglers feed on bits of organic matter and microorganisms. The pupa has the head and thorax very remarkably enlarged, and there are two breathing tubes which project from the back of the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of t
. Elementary entomology. Insects. FLIES, MOSQUITOES, AND MIDGES 223 forked abdomen. They breathe through the respiratory tube pro- jecting upward from the abdomen, which is thrust through the surface of the water as the wriggler rests at the surface. The wrigglers feed on bits of organic matter and microorganisms. The pupa has the head and thorax very remarkably enlarged, and there are two breathing tubes which project from the back of 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 Sanderson, Dwight, 1878-1944; Jackson, C. F. (Cicero Floyd), b. 1882. Boston, New York [etc. ] Ginn and Company
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Keywords: ., bookpublisherbostonnewyorketcginnandcompany, booksubjectinsects
