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Given below are two statements
Statement (I) : Brevicoryne brassicae adults are yellowish green with waxy filaments over the body
Statement (II) : Myzus persicae adults are egg shaped with smooth and pointed abdomen
In light of the above statements, choose the most appropriate answer from the options given below.
EXPLANATION
Pests of Vegetable Crops & Management
- Diagnostic Morphology of Brassica Aphids:
- Cabbage aphid (Brevicoryne brassicae): Nymphs and apterous adults are grayish-green covered with a dense mealy, whitish-gray waxy powder (not yellowish-green with filaments).
- Green peach aphid (Myzus persicae): Adults are oval to pear-shaped, yellowish-green to pinkish, with distinct convergent frontal tubercles, not a pointed abdomen.
- Conclusion: Because both morphological descriptions mischaracterize the diagnostic species traits, both Statement (I) and Statement (II) are incorrect (Option 2).
Correct option: (2) Both Statement (I) and Statement (Il) are incorrect
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