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corn earwormの例文

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  • But they become unwitting couriers delivering a knockout punch to corn earworm larvae in nearby fields of crimson clover.
  • "Helicoverpa zea " earns its nickname the corn earworm for its widely known destruction of cornfields.
  • The corn earworm, the tomato fruitworm, the cotton bollworm are all the same destructive pest on different crops.
  • One important pest is the corn earworm moth, which is the most common and destructive pest of soybean growth in Virginia.
  • And the test program succeeded in killing up to 87 percent of the corn earworm larvae in the clover fields, he said.
  • The flowers are eaten by the larvae of the corn earworm, " Helicoverpa zea " and the cabbage looper, " Trichoplusia ni ".
  • Pesticides are one method by which corn earworm populations are controlled; however, since they have been widely used, the insects have become resistant to many pesticides.
  • Reported prey include the larvae of Mexican bean beetle, European corn borer, diamondback moth, corn earworm, beet armyworm, fall armyworm, cabbage looper, imported cabbageworm, Colorado potato beetle, velvetbean caterpillar, and flea beetles.
  • When presented with a second-instar larva of " Urbanus proteus ", the corn earworm larva grasps the insect, rolls onto its side to form a semicircle, and begins feeding on the insect's posterior end.
  • The corn earworm is a major agricultural pest, with a large host range encompassing corn and many other crop plants . " H . zea " is the second-most important economic pest species in North America, next to the codling moth.
  • The natural world is replete with examples of signals, from the luminescent flashes of light from corn earworm moth, the dancing patterns of the blue-footed booby, or the alarm sound " Synoeca cyanea " make by rubbing their mandibles against their nest.
  • About this time of year, billions of corn earworm moths _ the top agricultural pest in America _ ascend and catch winds that carry them far to the north _ more than 250 miles in a single night, said Gary F . McGracken, a professor of ecology and evolutionary biology at the University of Tennessee.