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Updated: May 4, 2025
The trellised wall is replaced by the glass wall, which, since it does not allow her to scale its heights, will oblige the Wasp to remain on the ground and at last to take cognizance of the shaft, which she seems to ignore. This time we have done the trick! After a few circuits of her cage, the Calicurgus notices the pit yawning at her feet. She goes down it. This daring confounds me.
True, I foresaw, from the Spider's organization, a single sting in the centre of the thorax; but that did not explain the victory of the Wasp, emerging safe and sound from her tussle with such a quarry. I had to see what occurred. The chief difficulty was the scarcity of the Calicurgus.
I have encountered greater difficulties, but they have never deterred me from a warmly-cherished project. Fortune favours the persevering. She proves as much by offering me, in September, a fortnight after the death of my Tarantula-huntresses, another Calicurgus, captured for the first time. Now what does this newcomer, of whom I know nothing, want? A Spider, that is certain; but which?
The Lycosa then closes her bundle of poisoned daggers and resumes her natural pose, standing on her eight legs; but, at the slightest attempt at aggression on the Wasp's part, she resumes her threatening position. She does more: suddenly she leaps and flings herself upon the Calicurgus; swiftly she clasps her and nibbles at her with her fangs.
Let me describe the incident, if only to increase our respect a little for these foolish Spiders, who are provided with perfected weapons and do not dare to make use of them against the weaker but bolder assailant. The Epeira occupies the wall of the wire-gauze cage, with her eight legs wide-spread upon the trelliswork; the Calicurgus is wheeling round the top of the dome.
The Calicurgus has to reach them one after the other, to moisten them with her poison, possibly to transfix them, in any case to operate upon them in a very restricted manner; so that the diffusion of the virus may not involve the adjoining parts.
A second Calicurgus offers herself to my net; she is dragging her heavy, paralysed Spider by one leg, in the dust of the highway. I attach great value to my find: the laying of the egg has become a pressing matter; and the mother, I believe, will accept a substitute for her victim without much hesitation. Here then are my two captives, each under her bell-glass with her Tarantula. I am all eyes.
Basing our argument on this latter hypothesis, we see that the Calicurgus has only one means of suppressing the movement of the poisoned pincers without affecting the mobility of the palpi, above all without injuring the cephalic centres and thus producing death, namely, to reach with her sting the two fibres actuating the fangs, fibres as fine as a hair. I insist upon this point.
Discouraged by the repetition of my futile attempts, I throw up the game, the richer however by one fact of some value: the Calicurgus, without the least fear, descends into the Tarantula's den and dislodges her. I imagine that things happen in the same fashion outside my cages. When expelled from her dwelling, the Spider is more timid and more vulnerable to attack.
The Calicurgus approaches her without the least sign of fear, walks round her and appears to have the intention of seizing one of her legs. But at that moment the Tarantula rises almost vertically on her four hinder legs, with her four front legs lifted and outspread, ready for the counterstroke. The poison-fangs gape widely; a drop of venom moistens their tips.
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