Bulletin of the American Museum of Natural History Volume 39

Bulletin of the American Museum of Natural History Volume 39

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1919 edition. Excerpt: ... broad at its apex. Striation of the propodeum distinct and regular on it-s dorsal areas as well as in its concavity..........................................8. 8. Basal part of the second abdominal sternite slightly, although distinctly flattened behind this median raised part. Clypeus as a rule distinctly depressed or more or less excavated on its apical quarter. Length (h. + th. + t. 1 + 2), 18 to 23 mm.........................................S. calida (Linne). Basal part of the second abdominal sternite regularly, convexly sloping, not raised more on its middle than on its sides. Apical part of the clypeus as a rule flattened, never excavated. Total length, 22 to 25 min. (after Maidl). S. kohli Maidl. 9.1 Two or three apical abdominal tergites with more or less extensive white markings; the rest of the body black; the clypeus, a few spots on head, mandibles, under side of the antennae, and terminal joint of the front tarsi, ferruginous 1 S. mirabilis, S. analir, S. apinivenlris, and S. negusi are, with regard to structural characters, very similar in the females, although the males can be easily separated. Since I have not seen the female of S. neguai, I was compelled to use here chiefly the coloration, on which Muidl's key is based for a large part. red. Shape of the clypeus much as in S. analis; elongate and piriforrn; its apical part comparatively long and narrow. Length (h. + th. + t. 1 + 2), 20 mm. This species exists in the Upper Katanga; I have seen a Q from Zanzibar..........................................S. mirabilis Guerin. Terminal abdominal tergites orange or ferruginous-red..................10. 10. The four apical abdominal tergites and sternites for the greater part orangeor ferruginous-red. Shape of the...show more

Product details

  • Paperback
  • 189 x 246 x 11mm | 372g
  • Rarebooksclub.com
  • English
  • Illustrations, black and white
  • 1236805275
  • 9781236805270