When restored to their litter of mulberry-leaves, the wounded almost at
once set to browsing with their usual appetite. Ten days later, all,
from the first to the last, weave their cocoons, which are perfectly
normal in shape and thickness. Lastly, from these cocoons, without any
losses, emerge Moths whom we shall presently question in another
connection. For the moment it is proved that the Silkworm resists the
Scorpion’s sting. As for the Moth herself, we know what becomes of her.
She succumbs slowly, it it true, after the manner of the Great Peacock;
but at all events she succumbs: the sting is always fatal.
The Spurge Hawk-moth gives the same answer: the Moth dies quickly: the
caterpillar defies the sting, eats its fill and then goes underground
itself into a chrysalis under a coarse veil of sand and silk.
Nevertheless, among the number operated upon, there are some which are
stabbed to death, perhaps because of the multiplicity of their wounds.
The skin offers a certain resistance to perforation and the discharge
of blood remains uncertain, leaving me undecided as to the efficiency
of the stab. I was obliged to prolong the struggle until the evidence
was complete and it is probable that I sometimes went too far. The
caterpillar which, if pricked but once, would have withstood the ordeal
as sturdily as the Silkworm perishes from an overdose.
The mighty, turquoise-bedecked caterpillar of the Great Peacock
supplies me with very definite results. When pricked till the blood
comes and then replaced on its grazing-ground, the branch of almond, it
completes its development and accurately spins its ingenious cocoon.
The Dipteron [40] and the Hymenopteron [41] should be worth
examination. Like the Moth and the Beetle, they undergo a general
remoulding through the action of the metamorphosis; but they are
small-sized and for the most part could not be easily manipulated were
my tweezers to present them to the sting. Their delicate larvæ would
die merely of the perforation of the skin. Let us question only the
giants.
These latter include various Orthoptera, [42] the Tryxalis, the Grey
Locust, the White-faced Decticus, the Mole-cricket, the Mantis. As we
have already seen, all these succumb when struck by the Scorpion’s
sting. Now, in their group, the complete development essential to the
festival of the pairing is preceded by a transition-form which, without
being actually larval, and presenting no likeness whatever to the
adult, constitutes an inferior stage, a step towards the marriageable.
The Grey Locust, as we see him on the vine at vintage-time, does not
yet possess his magnificent network wings, nor his leathery wing-cases;
he possesses only their rudiments, reduced to skimpy coat-tails. The
Mole-cricket, who ends by displaying an ample set of wings, which fold
back into a sharp tail and enclose the tip of the abdomen, has at first
only ungainly stumps, fastened to the upper part of the back.
Public-domain text, read in full here on John Shaqi.
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