Question

Explain “flash of diabolic tail”.

Answer 1

it means the sting made by the scorpion was fast and the scorpion's sting causes a lot of pain to the poet's mother.Hence the tail is refferrd to as diabolic which means devilish or evil.
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Answer 2

The phrase "flash of diabolic tail" has been used to explain the appearance of the scorpion. In the poem "The Night of the Scorpion" the poet talks about the scorpion who has stung the mother. The poet calls the scorpion to be a giant and the flash of the lightnings in the night reflected in a way that it was the tail of the scorpion.