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Updated: July 31, 2024
Among insects of the same species there is often neighbourship; but their labours are individual and not the result of co-operation. For instance, the Cricket-hunters, the Yellow-winged Sphex, settle in gangs at the foot of a sandstone cliff, but each digs her own burrow and would not suffer a neighbour to come and help in piercing the home.
In both cases the new diet was accepted without hesitation, a proof that it suited the nurseling; but in a day or two putrescence supervened and the Scolia perished on the fetid morsel. The method of preserving the Ephippiger, so well known to the Sphex, was unknown to my boarder; in this was enough to convert a delicious food into poison.
Certain of them, indeed, lived only there, or at least it would have been extremely difficult to find them elsewhere; such was the famous Cerceris; such again, was the yellow-winged Sphex, that other wasp which so artistically stabs and paralyses the cricket, "the brown violinist of the clods."
The digestive apparatus, in particular, retains in full, or at least in part, its normal energies, as is proved by the frequent dejections of paralysed victims so long as the intestine is not emptied; a fact notably exemplified by the victims of the Sphex family; helpless creatures which I have before now kept alive for forty days with the aid of a little sugared water.
For instance, ants may be seen vainly trying to drag an object transversely to their course, which could be easily drawn longitudinally; though after a time they generally act in a wiser manner, M. Fabre states that a Sphex an insect belonging to the same highly-endowed order with ants stocks its nest with paralysed grass-hoppers, which are invariably dragged into the burrow by their antennae.
Substitute for this Sphex-larva a Scolia-larva of almost the same size; let the dish be the same though the guest is different; and healthy live flesh is promptly replaced by pestilent rotten flesh. That which under the mandibles of the Sphex would for a long while have remained wholesome food promptly becomes a poisonous liquescence under the mandibles of the Scolia.
Outside the burrows of the Great Cerceris and other Weevil-lovers, outside those of the Yellow-winged Sphex, the Cricket-slayer, there is plenty of distraction, thanks to the bustling movement of the hamlet. The mother has hardly come back home before she goes out again, soon returning laden with a new prey and once more setting out upon the chase.
Bolder still, the Wasp has taken possession of the dwelling-house. On my door-sill, in a soil of rubbish, nestles the White-banded Sphex: when I go indoors, I must be careful not to damage her burrows, not to tread upon the miner absorbed in her work. It is quite a quarter of a century since I last saw the saucy Cricket-hunter.
In the larder of the Yellow-winged Sphex, after the victualling is completed and the house shut up, two or three Crickets are sometimes found and sometimes four. "The Hunting Wasps": chapter 20; also "Bramble-bees and Others": chapter 9. "The Mason-wasps": chapter 1. "The Hunting Wasps": chapter 2. My notes abound in abstracts of this kind.
Gripped by the antennae, according to the ritual of the Sphex, the victim is trailed along on foot and laid beside the nest, with the head pointing towards the opening. The pit, prepared in advance, is closed for the time being with a tiny flagstone and some bits of gravel, in order to avoid either the invasion of a passer-by or obstruction by landslips during the huntress' absence.
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