190 likes | 1.44k Views
Life cycle of the grasshopper. Simple metamorphosis. Reproduction. Male introduces sperm into the females ovipositor Sperm enters the eggs through fine canals called micropyles The female inserts the eggs one to two inches underground in summer
E N D
Life cycle of the grasshopper Simple metamorphosis
Reproduction • Male introduces sperm into the females ovipositor • Sperm enters the eggs through fine canals called micropyles • The female inserts the eggs one to two inches underground in summer • She sprays the eggs with a slick substance which forms a pod • Pod contains 15 to 150 eggs • Each female can lay up too 25 pods
Egg to nymph • Grasshoppers undergo simple metamorphosis • Egg are oval, the size of kernels of rice • Eggs may be white, yellow-green, tan, or various shades of brown • Eggs hatch into nymphs, which look like little adults without wings or reproductive organs
Metamorphosis of the nymph • Newly hatched nymphs are white • With exposure to sunlight they assume distinctive color and markings of adults • Picture shows six stages of development from small wingless nymph to fully grown winged adult • Grasshoppers do not take care of their young once they have hatched
Grasshoppers in popular culture • “The ant and the grasshopper”, written by Aesop (620-560 BC) • In “Poprygunya” written by Chekhov in 1892 an unfaithful woman (hopping from man to man) was known as a grasshopper. • Later those who were unable to focus on a single subject (hopping from one thing to another) was said to have a grasshopper’s mind. • Recently, (1972-1975) in the T.V. show Kung Fu, the trainee, who had much to learn, was called grasshopper. • In the 1998 movie, “A Bug’s Life” the heroes are members of an ant colony, and the villain is, who else, the grasshopper.