The male of this species sings sometimes by day as well as by night and has different calls for day and night.
The female lays her eggs in the edges of leaves, thrusting them in between the lower and upper cuticle, and from these hatch out the wingless, long-legged green creatures which are hopping everywhere about the grass in early summer.
They are borne for the summer season only, and with the frosts of winter they all die off. Nature seems to make just as complicated a being whether it is to last a score of minutes or a hundred years—one season or a hundred is all the same to her.
Just why the katydid should want to hear its own song some city people may wonder, but it is evident that he does, for just below each knee, on his foremost legs, is to be found a well-developed ear with a tympanum which probably vibrates much as ours do.
A YOUNG KATYDID
(Scudderia sp.)
It is doubtful if there are any animals so largely legs as the young katydid. It cannot fly yet, for the wings upon its back are still too small to carry it through the air, but it can escape from its enemies by jumps which put those of a gazelle or a kangaroo to shame. The muscles in its legs are like our own muscles so far as can be determined, except that they are attached to projections on the inside of a skeleton which encases them all, instead of being attached to the outside of a skeleton which they themselves encase, so when a katydid jumps one cannot see the muscles move as one can those of a horse.