. The biology of dragonflies (Odonata or Paraneuroptera). Dragon-flies. Fig. 173. Wings of Somatochlora arctica Zctt., ^ {Hw 31 mm.). Original. 13. S. metaUica Vanderlinden. S abd 33â38, hw 33â37, pt 2-2-5. A touch of saffroning at extreme bases of wings. Colour metallic bronze-green. Abd. much constricted at 3, 1â3 with small yellow spots. Apps. as in fig. 174 a. ? abd 37â41, hiv 36â38, pt 2-5â3. Similar to $, but with broad unconstricted abd.; apps. 4, WW III I I Jl. slender, lanceolate. Very rare. JulyâAug. 14. S. arctica Zetterstedt. (^ abd 34â35, hw 31â32, 2)t 2-5. Wings slightly saffrone
. The biology of dragonflies (Odonata or Paraneuroptera). Dragon-flies. Fig. 173. Wings of Somatochlora arctica Zctt., ^ {Hw 31 mm.). Original. 13. S. metaUica Vanderlinden. S abd 33â38, hw 33â37, pt 2-2-5. A touch of saffroning at extreme bases of wings. Colour metallic bronze-green. Abd. much constricted at 3, 1â3 with small yellow spots. Apps. as in fig. 174 a. ? abd 37â41, hiv 36â38, pt 2-5â3. Similar to $, but with broad unconstricted abd.; apps. 4, WW III I I Jl. slender, lanceolate. Very rare. JulyâAug. 14. S. arctica Zetterstedt. (^ abd 34â35, hw 31â32, 2)t 2-5. Wings slightly saffroned at bases, and partly suffused with yellow near â * middle. Coloration bronze, coppery, or even Fig. 174. Anal appendages steel black; sides of thorax metalhc green. °^ â¢f^^ "* Somatochlora * dorsal view. a. S. metal- Abd. much constricted at 3; 1â3 with small Uca Vand. b. S. arctica yellow spots. Apps. as in fig. 174 b. $ abd Zett. Original. 33â35, hw 30â32, pt 2-5. Similar to 3, but wings yellower; abd. less constricted, wider, almost black; apps. 3, slightly lanceolate. Rare; Northern. JuneâJuly. Subfamily Libellulinae (Characters, p. 269). Tribe Libelkdini (Characters, p. 269). Genus IX. LibelMa Linn. (fig. 131). Fw with about \2 Ax, the last complete. Sectors of arc. arising just separated; t crossed in both 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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