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Cantharidin is a yellow coloured acidic secretion of
EXPLANATION
Pollinators, Scavengers, Medicinal, Edible,
- Cantharidin: A defensive, blistering bicyclic terpenoid compound found in the haemolymph and reproductive organs of blister beetles (family Meloidae, Coleoptera; e.g., Mylabris pustulata, Epicauta spp.).
- Properties: Synthesized by male blister beetles and transferred as a nuptial gift to females during mating. When threatened, the beetles undergo reflex bleeding, discharging yellowish haemolymph containing cantharidin that causes severe chemical blisters on mammalian skin.
- Correct Option: Option 4 (Blister beetles).
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