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The larva and pupa of a gall fly next to a gall fly in natural size and magnified, a cross-section of an infested fruit and a branch of a fruit tree with infested fruit. Engraving by Heath.
The larva and pupa of a gall fly next to a gall fly in natural size and magnified, a cross-section of an infested fruit and a branch of a fruit tree with infested fruit. Engraving by Heath.
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use