At the moment of its appearance it adheres slightly to the end of a straw plunged into it.

Two minutes later it is solidified and no longer adheres to the straw.

In a short time its consistency is that of the substance of an old nest.
[Illustration: 1.

THE MANTIS DEVOURING THE MALE IN THE ACT OF MATING.
2.

THE MANTIS COMPLETING HER NEST.
3.