If a parasite can be transferred from an adult insect to its offspring, it is said to be transferred:

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When pathogens are passed from adult to egg (transovarial transmission), and then survive in the next insect lifecycle forms (egg, nymph, adult), it has been transmitted transstadially. This pathogen is said to be transmitted vertically from generation to generation. Babesia microti can pass vertically in the Ixodes spp. tick.

If a Parasite Can Be Transferred from an Adult Insect