A Revision of the Lepidopterous Family Sphingidae

A Revision of the Lepidopterous Family Sphingidae

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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. 1903 edition. Excerpt: ... side patches; bluish green, "ran l '-' ' ' s ll es Whllie, seven white or yellowish side-bands, horn blue at base, or entirely grey-blue.----Food-plants: Salim, 1'0/Jalus, Pi;-us, P/'u/ms, rarely other trees. Pupa somewhat glossy, rugose, not distinctly granulated; cremaster broad basally, rough; laterally with pointed tubercles. One brood, seldom two. Heb. Palacarctic Region as far east as Western Siberia and Asia Minor; not found in Greece, The individuals from the Ural and South Russia which we have examined do not seem to us to be diflerent from the examples of Central and Western Europe. Dr. Staudinger, l.c., described as cinerascens a. South Russian individual which he considered to represent a desert form. This individual is certainly dilferent from all others we have seen, but we do not believe that it is anything else but an abnormal specimen; anyhow, a single example from a particular place is certainly not sufiicient to base a geographical race upon if the individuals from the surrounding countries are of the ordinary type. The 6' of ocellata copulates in confinement comparatively easily with the 2 of Amorpba populi. The offspring of such a union stand in structure, shape, and colour, intermediate between the parent species. The thorn at the end of the foretibia is short, mostly concealed under the scaling, the penis-sheath resembles that of populi, the teeth of the duct are either partly or all replaced by fine bristles; the harpe agrees better with that 01' ocellata, being, however, longer and slenderer. Authentic offspring of tl1e reverse union are now also known, Standfuss's experiments having at last been successful in so far as he reared two 9 9 of this hybrid. The statement appearing in various...show more

Product details

  • Paperback
  • 189 x 246 x 18mm | 585g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236913019
  • 9781236913012