Word: sawtooth
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Dates: during 1930-1939
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...largest. It ranges from Michigan to Georgia, from eastern Missouri to Long Island. Tibicina septendecim is a toothless insect, does not eat plants but simply sucks at them. It makes no attempt to escape from sparrows, its greatest enemy. The female damages orchards and vineyards by using her sawtooth appendage to carve grooves in which to lay her eggs. When the larvae hatch from the eggs, they fall to the ground, dig in, attach themselves to a root at which they suck for 17 years. When the proper time arrives, they come out at dusk, climb a tree. In order...