( Latin: genus Ceratophyllus )
These insects spend the winter in their pupal cocoons in birds’ nests. They emerge in the warmth of the spring sun and if they do not quickly find a bird to suck blood from, they start to move about. In such circumstances they may well enter houses, but one may also acquire them when gardening in the vicinity of infected nesting boxes or nests. Bird fleas can, of course, multiply enormously in hen houses.
Fortunately, bird fleas only live for a short time indoors, and they can only breed in birds’ nests. It is a good idea to clean out nesting boxes very thoroughly in the early spring.
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