. The biology of dragonflies (Odonata or Paraneuroptera). Dragon-flies. 228 THE REPRODUCTIVE SYSTEM [CH, XI Damage to the ftems of the Blue Flag {Iris versicolor) has been observed by Needham[99] owing to the numerous punctures made by two species of Nearctic Lestinae. About one-fourth of the fruiting stems are killed Fig. 107. Egg-rope of Tetragoneuria cynosura Say. After 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 th
. The biology of dragonflies (Odonata or Paraneuroptera). Dragon-flies. 228 THE REPRODUCTIVE SYSTEM [CH, XI Damage to the ftems of the Blue Flag {Iris versicolor) has been observed by Needham[99] owing to the numerous punctures made by two species of Nearctic Lestinae. About one-fourth of the fruiting stems are killed Fig. 107. Egg-rope of Tetragoneuria cynosura Say. After 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 Tillyard, Robin John, 1881-1937. Cambridge [Eng. ] : University Press
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