Transactions of the Royal Society of New Zealand Volume 35 - Softcover
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 Excerpt: ... morepork often passes a specimen under the impression that it is a leaf. One curious fact may be mentioned: ova of C. virescens are normally pale-yellow when first laid, becoming black after several hours. On several occasions this season black ova were extruded among the pale-coloured ones by freshly emerged females; and, moreover, within the abdomen of several specimens black ova were mixed amongst the others. To observe if possible the manner of emergence from the vertical bore and through the operculum we obtained some pupae. Having cut the wood so as to divide the bore between the operculum and the pupa, on every occasion that the top half was removed the pupa would slide up to investigate the cause of the disturbance in the atmosphere above. On touching a finger held above it the pupa would immediately descend again, apparently satisfied that all was right. This was repeated with different pupae, proving that C. virescens can and does travel up and down its vertical burrow at will during the pupa stage. I now believe the operculum is cut or removed by pressure of the pupal headpiece, and not by aerial pressure, as I was previously inclined to think. One thing is certain, the cover is not a trap-door, in the sense of being hinged, until after emergence of the pupa. EXPLANATION OF PLATE XXVIII. Fig. 1. Prothorax of unusual form, larva of Charagia virescens; magnified. Fig. 2. Abdominal segment of ditto, dorsal aspect; magnified. Fig. 3., lateral aspect; magnified. Fig. 4. Anterior segments of pupa, C. virescens; natural size. Fig. 5. C. virescens, male, nov. ab albo-extremus; natural size. Fig. 6. „ female, ab hectori, Butl.; natural size. Art. XXIII.--A Fly and a Spider (Pompilidae, Salius monachus, Sm.; and Porrhothele antipodiana). By Amrrose ...
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- PublisherRarebooksclub.com
- Publication date2012
- ISBN 10 1130218155
- ISBN 13 9781130218152
- BindingPaperback
- Number of pages228
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