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
Claudius Ælianus, who lived in the time of Hadrian, gives a detailed
account of the habits which he attributes to ants,[8] from which the
following is a translation: "In summer time, after harvest, while
the ears are being threshed the ants pry about in troops around the
threshing floors, leaving their homes, and going singly, in pairs, or
sometimes three together. They then select grains of wheat or barley,
and go straight home by the way they came. Some go to collect, others
to carry away the burden, and they avoid the way for one another with
great politeness and consideration, especially the unburdened for
the weight carriers. Now these excellent creatures, when they have
returned home, and stored their granaries with wheat and barley, bore
through each grain of seed in the middle; that which falls off in the
process becomes a meal for the ants, and the remainder is unfertile.
This these worthy housekeepers do, lest when the rains come the seeds
should sprout, as they would do if left entire, and thus the ants
should come to want. So we see that the ants have good share in the
gifts of nature, in this respect as well as others." Further on[9]
he gives a very interesting account of their mode of collecting and
preparing the grain, many details of which I can myself substantiate
from personal observation, though I have never seen ants actually
at work upon the ears of corn. "But when the ants start a foraging,
they follow the biggest, who take the lead as generals. And when
they come to the crops, the younger ones stand under the stalk, but
the leaders ascending gnaw through the culms, as they are called
[ὀυραγοὑς, 'the stalk ends on which the ears grow' (Lid. and Scott,
Gr. Lex.)], probably meaning that they detach the separate spikelets
of which the ears are composed], of the ears [καρπἱμων], which they
throw to the people below. These busy themselves with cutting away
the chaff and peeling off the envelopes which contain and cover the
grain. So the ants, though they need no threshing time, nor men to
winnow for them, nor an artificial draught of wind to separate corn
and chaff, yet have the food of men who both plough and sow for it."
Ælian appears also to have heard reports of the habits of ants in
tropical countries, for he says,[10] "Certainly the Indian ant is
also a wise creature.... They leave one opening at the top (of the
nest), by which they have their exits and entrances, when they come
bearing the seeds which they collect." I have never myself found
seeds bored through the centre in the way recorded above, but it is
possible that different species of ants may treat the seeds in other
ways than those observed by me; or, on the other hand, Ælian may have
mistaken the gnawing off the radicle of the seed, a process which I
shall describe from personal observation below, and imagined that the
seed itself was pierced.
[Footnote 8: Ælian, De Naturâ Animalium, ii. 25.]
[Footnote 9: Ælian, De Nat. Anim., lib. vi. chap. xliii.]
Public-domain text, read in full here on John Shaqi.
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