Insect architecture / [Anon].

  • Rennie, James, 1787-1867.
Date:
1830
Catalogue details

Licence: Public Domain Mark

Credit: Insect architecture / [Anon]. Source: Wellcome Collection.

    392/442 (page 376)
    Bedeguar gall of the rose, produced bg Cynips Roscr. The gall-fly of the willow (Cynips viminalis) de- posits, as we have just seen, only a single egg on one spot; but the bedeguar-insect lays a large cluster of eggs on the extremity of a growing branch of the wild rose-tree, making, probably, a proportionate number of punctures to procure materials for the future habitation of her young progeny. As in the former case also, each of these eggs becomes (as we may suppose) surrounded with the sap of the rose, enclosed in a pellicle of gluten. The gluten, how- ever, of the bedeguar insect, is not, it would appear, sufficiently tenacious to confine the flowing sap within the dimensions of any of the little clustered globes containing the eggs, for it oozes out from numerous cracks or pores in the pellicle; which