. Bulletin. Natural history; Natural history. 1 IWU. Fig. prothorax. -Megalothrips spinosus, head and Fig. 297.—Megalothrips spinosus, pelta. to yellow in color. Tube long, bowed, and hairy (Fig. 191). Male (macropterous).—Length distended over 4 mm. Similar to fe- male in color and structure except for the following. Fore tarsi seemingly not armed. Abdominal tergite IV with a pair of lateral tubeiike processes (in life these tubes are directed nearly straight upwards; when specimens are mounted and under the pressure of the cover glass they are directed posteriad and nearly on the plane


. Bulletin. Natural history; Natural history. 1 IWU. Fig. prothorax. -Megalothrips spinosus, head and Fig. 297.—Megalothrips spinosus, pelta. to yellow in color. Tube long, bowed, and hairy (Fig. 191). Male (macropterous).—Length distended over 4 mm. Similar to fe- male in color and structure except for the following. Fore tarsi seemingly not armed. Abdominal tergite IV with a pair of lateral tubeiike processes (in life these tubes are directed nearly straight upwards; when specimens are mounted and under the pressure of the cover glass they are directed posteriad and nearly on the plane of the body). Abdominal tergite VIII with the anterior wall of each spiracle projected slightly as a toothlike proc- Tube proportionately shorter and thicker than in female, with four or more middorsal lateral 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 Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division


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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory