neither spine nor sting. if the larva changes to a chrysalis in summer, a fly proceeds from it in about three weeks; but if at the close of autumn, it lies dormant the whole winter, and is not released from its confinement till the following spring.
The genus Ic/inezAmon presents great variety of insects, who provide for the support of their of prang in a most extraordinary manner; the female being furnished by Nature with an instrument resembling a whimble, with which she deposits her eggs in the bodies of other insects whilst alive, and generally in those of caterpillars. For this purpose, the female Ichneurnon, according to her kind, selects her proper victim, and pierces its skin with her tube, introducing her eggs beneath the surface The animal thus injured, has no means of redress: all its endeavours to escape are in vain. The Ichneumon never quits her hold till she has discharged her whole stock; and what is still more astonishing, the vitals of the caterpillar are so little affected, that it frequently survives some time after the young larvae have fed uponn its nutritious juices; and there have been instances of its transforming into a chrysalis.
The well-known caterpillar of the Common White or Cabbage Butterfly, affords one of the
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