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
"This kind of grain has a name, 'Jurroon,' derived from 'Jharna,' to
sweep, literally sweepings. I much regret that I have not preserved
specimens of this 'Jurroon,' for it is very unlikely that the ants
after taking it to their granary, should again throw it out, and yet,
if grainless, what benefit could there be in eating it? The season
of the year when I observed them (November) is the beginning of the
cold weather, and no rain would probably fall (excepting a little at
Christmas) till next May or June. Later on seed would be rare; and
how the nest fares at a time when floods of water often pass over the
plain I cannot conceive.
"It is clear that some escape, and we know with what prodigious
rapidity these colonies increase. But these jottings have been
recorded merely to show how this species of ant store grain against a
time of scarcity, and fully bear out the statement in the text with
which I commenced this paper."
The following are Dr. Buchanan White's notes, alluded to above,
published in the _Transactions of the Entomological Society_ (London,
1872) part i., Proceedings, p. v.:--
"Capri, June 3, 1866. In the afternoon to the Punta Tragara, where a
colony of ants afforded us much amusement. These little insects had
a regular road, made by cutting away the grass and other plants in
their way. This road was about one inch and a half wide, and several
yards long, and led to a clump of plants in seed. Along this road
a long train of ants were perpetually travelling to the nest (or
_formicarium_), bearing with them pods of leguminous plants, seeds of
grass and of Composites (_Chrysanth. segetum_), &c.
"The perseverance with which a single ant would tug and draw a pod
four times his own length was very interesting; sometimes three or
four ants would unite in carrying one burden. Near the formicarium
was a great mass of débris, consisting of empty pods, twigs, emptied
snail shells, &c., cast out by the ants. The seeds appeared to be
stored inside the nest, as in one that I opened the other day I found
a large collection. The species was a black ant; the formicarium was
underground."
D.
_On Collecting and Examining Ants._
There are very few branches of natural history which might be more
easily followed by a traveller, or one who fears to encumber
himself with bulky collections difficult to transport from place to
place, than the study of ants. The whole European ant fauna might be
adequately represented by specimens preserved in spirit of wine and
packed in the compass of a hat-box.
In taking specimens of ants it is important never to put the
representatives of more than one nest in each bottle, but then in
most cases a sufficient number may be placed in a single bottle of
the size used for containing the smaller homœopathic globules. If
possible the winged male and female ants, as well as the wingless
workers, should be secured.
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