ootheca
noun
a case or capsule containing eggs, as that of certain gastropods and insects.
The grammatical form denoting more than one person, place, thing, or idea.
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During winter, when trees and shrubs have lost their leaves, the insects' oothecae, brown, spongy egg cases measuring about 2 to 3 cm, become easy to spot on branches.
From Science Daily ● Jul. 11, 2026