It establishes itself there, and all is over; the others have only to die.

How are they warned that the place is taken?
Do they hear their brother gnawing at the walls of his lodging?
can they feel the vibration set up by his nibbling mandibles?
Something of the kind must happen, for from that moment they make no attempt to burrow further.

Without struggling against the fortunate winner, without seeking to dislodge him, those which are beaten in the race give themselves up to death.

I admire this candid resignation on the part of the departed.
Another condition--that of space--is also present as a factor.

The pea-weevil is the largest of our Bruchidae.