Identifier: CUbiodiversity1123244-9682 (find matches)
Title: The natural history of British insects; explaining them in their several states, with the periods of their transformations, their food, oeconomy, &c. together with the history of such minute insects as require investigation by the microcsope. The whole illustrated by coloured figures, designed and executed from living specimens
Year: 1792 (1790s)
Authors: Donovan, E. (Edward), 1768-1837
Subjects: Insects Insects
Publisher: London, Printed for the author, and for F. & C. Rivington
Contributing Library: Cornell University Library
Digitizing Sponsor: Mann Library, Cornell

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which nature makes for the protection ofthis Fly deferves particular notice ; when the time of its continuationin the caterpillar flate is expired, by much labour it forms a kind ofbag or purfe, of a very tough fubflance; this it fixes againft the trunksof trees, &c. by a number of hairs or filaments, which remain on theexternal furface. It lines the outer cafe by one of a finer texture,the top of which is clofed by feveral bridles that unite in the center,exaftly reprefenting a cap, and excludes almofl the poffibility of itsreceiving an injury during this defencelefs flate. In this bag it paffesto the aurelia, and remains until the birth of the perfeft infecL—Ourfigure reprefents the chryfalis or aurelia in the bag; part appears tornaway to exhibit its fituation therein. Were we to unite the feveral accounts of authors refpe&ing its food,it would appear to be a general feeder; it will live on the rofe, theelm, and the willow ; and on thorns and brambles particularly. PLATE
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THE NATURAL HISTORY or BRITISH INSECTS. PLATE CCLIII. PHAL£NA PAVONIA, minor, fern.Emperor Moth, female. THE male of this fine fpecies of Phalasna has been given in thefirft number of this Work, with a promife that the female Ihouldbe added in a future Plate. The larva and pupa is reprefented withthe male Infeft; but we have alfo introduced other caterpillars ofthe fame fpecies with the annexed figure, to fhew the differentflages of their growth. When young they are yellowifh : the tuber-cles black, with a ftripe of the fame on the fegments of the joints.After this, the yellow bands become orange, and thetranfverfe blackftripes appear interrupted with longitudinal bands of pale green. Someare entirely green, except the tubercles, which are yellow, and a fmallblack fpeck on each joint; and others are green, checquered with ♦ black, 4 PLATE CCLIII. black, and marked on the fide with a row of femilunar fpot*- In,the winged flate, we find more permanent and charaaerifhc diftinc- tions.

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