. British insects : a familiar description of the form, structure, habits, and transformations of insects. Pupa of Bee(Front). Pupa of Bee(Profile). Pupse of Diptera, 1. Pupa of Drone-fly stillin larva skin, 2. Ditto, with larva-skin removed. 3. Ditto of Ditto of JVlycetobia. Pupa of Sphinx-Moth. have a pupa which is inactive and non-eating, but whichdiffers from those of the moths and butterflies (Lepidop-tera) (fig. 29) and from some of the two-winged flies(Diptera) (fig. 30) in being covered by a skin, whichallows the limbs to show separately, as the hand iscovered by a glove;

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. British insects : a familiar description of the form, structure, habits, and transformations of insects. Pupa of Bee(Front). Pupa of Bee(Profile). Pupse of Diptera, 1. Pupa of Drone-fly stillin larva skin, 2. Ditto, with larva-skin removed. 3. Ditto of Ditto of JVlycetobia. Pupa of Sphinx-Moth. have a pupa which is inactive and non-eating, but whichdiffers from those of the moths and butterflies (Lepidop-tera) (fig. 29) and from some of the two-winged flies(Diptera) (fig. 30) in being covered by a skin, whichallows the limbs to show separately, as the hand iscovered by a glove; whereas in the butterflies and someflies the whole pupa is enclosed in a simple case orenvelope. In these, therefore, the pupa in no degree 58 INSECTS. resembles the perfect insect, while in the former it bearssome likeness to a dead and wingless specimen. In other classes of insects the pupa is active, andclosely resembles the perfect insect, forming indeed, inmost cases, a link between this and the larva. Of thiskind are the pupse of the earwigs (Euplexoptera), and thegrasshoppers and cockroaches (O

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Keywords: ., bookauthorme, bookcentury1800, bookdecade1870, booksubjectinsects