Science, Space and Technology News 2023
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Every so often, cicadas emerge above ground and blanket the earth with their exoskeletons while emitting a high-pitched chirp from sunrise to sunset. The periodical cicadas in the genuscome every 13 or 17 years, though other types of cicadas emerge much more frequently in our neighborhoods. A long-standing agricultural query related to the periodical cicadas was recently answered by an Agricultural Research Service research team at West Virginia’s Appalachian Fruit Research Station.
researchers studied adult male and femaleduring the 2021 emergence of Brood X in Maryland, Virginia, and West Virginia as the insect moved through apple orchards and wooded public parks and residential properties., or apple tree DNA, in adult cicada guts and found that 54 percent of those cicadas contained DNA from multiple plantfeed on plant sap, it was necessary to show that the recovered plant DNA was not just leftovers from meals eaten during the nymph stage.
research team leader James Hepler, Ph.D. “We couldn’t find any plant DNA in the guts of teneral adults, so we can be reasonably sure that the DNA found in mature adultCicadas appear to have highly permeable exoskeletons that permit considerable water loss and allow water to evaporate out of the insect a little easier than many other insects. Also, the presence of essential amino
will continue to examine the life cycle of Brood X and solve agricultural challenges directly related to their life span above ground.
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