National Geographic : 1950 May
T Like Toothpaste Squeezed from a Tube, an Egg Case Is Laid on a Twig While depositing the frothy mass, the female lays dozens of eggs in it. Each has its own tiny cham ber with ascending groove. Air quickly hardens the case; when spring sunshine hatches the eggs, it "ex plodes" with life. Egg laying takes several hours. John G.P'ilkin + Slim and Hungry, Her Long Job Done, Mantis Grabs a Bite to Eat Her eggs laid, she feeds with never a backward glance. Laying takes place some two weeks after mating; often the female deposits two or more masses. Every autumn adults of northern species die; the next generation awaits spring in egg form.