Harvesting Ants and Trap-Door Spiders: Notes and Observations on Their Habits and DwellingsMoggridge, John Traherne
Science
Harvesting Ants and Trap-Door Spiders: Notes and Observations on Their Habits and Dwellings
Moggridge, John Traherne
Ants; Trap-door spiders
♂ Passing over the precise description of this pretty species by its
author, Herr Dr. L. Koch, let us note here some of the essential
characters which distinguish this species from its relations.
_Cephalothorax_ fairly (schön) rounded, with small, moderately
prominent head. Eye eminence (Augenhügel) prominent, steeply inclined
in front and behind. The front and rear row of eyes form two nearly
parallel curves with the concavity in front. The foremost central
eyes stand so high that a line (eine Gerade) drawn from their base to
the lateral eyes would pass just above them, although they are not
separated from the lateral eyes by a distance greater than that of
their own radius. Eyes of front row almost twice as large as those of
hind row. Teeth of rake (Rechens) long and sharp. _Palpi_ moderately
long, the last and penultimate joint armed as in _N. cellicola_.[105]
Bulb pear-shaped, with a rather shorter, more slender point. All the
tarsi of the legs, and even the metatarsi I and II, with a slender
scopula, although the tarsi are unarmed. Tibia I enlarged into a
wedge-shape, (having) beneath the apex a stout pointed tooth bent
upwards and inwards, in front of which (is) a truncated prominence
(ein oben gerade abgestutzter Höcker). Femur (Schenkel) (having)
dusky longitudinal stripes above within.--Cephalothorax 6·5^{mm}.
[Footnote 105: Description of palpi of _N. cellicola_:--_Palpi_,
short, strong. Femoral joint furnished with spines above; penultimate
joint armed with four stout rather short spines above the apex, the
terminal joint also having some very small spines. Bulb shortly
pear-shaped, running out into a fine, moderately long point, which is
slender as a thread, and not split in front.]
Nice.
G.
_On Nemesia meridionalis and N. Eleanora, Captive in Company with
their Young._
I have tried the experiment of keeping specimens of _Nemesia
meridionalis_ and _N. Eleanora_ captive in flower-pots, partly
filled with earth and covered with gauze, but I have never been
able to detect the least inclination on the part of either of these
spiders to excavate a burrow in the earth.
Thinking that I might have better success if I were to place the
mother spiders, together with their young, in captivity, I captured a
female _N. meridionalis_ and _N. Eleanora_, each with its brood, and
placed them on moist earth in flower-pots under gauze. The result,
however, was that the young spiders concealed themselves in the
crevices of the soil, while the mother spiders remained exposed.
The adult _N. meridionalis_ lived thus for twenty days (from the 7th
to the 27th of November), capturing and killing flies with which I
supplied her, but she then suddenly died.
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