Which aphid species is known for its cosmopolitan distribution across global crops?
Answer
*Aphis gossypii* (melon or cotton aphid)
The melon or cotton aphid, scientifically known as *Aphis gossypii*, is highly regarded for its extensive geographical success. This species has achieved a cosmopolitan distribution, meaning it has colonized nearly every region worldwide where host plants are available. Its ability to thrive across diverse climates and agricultural settings, often infesting a wide array of crops ranging from cotton to cucurbits, attests to its extreme genetic variability and phenotypic plasticity. This adaptability allows *Aphis gossypii* to rapidly adjust to new conditions or continually track favorable environments globally, setting it apart in terms of geographical reach.
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