A bael tree (Aegle marmelos) with sectioned fruit, a dancefly (Empis livida) and three worms (Enchelis species). Coloured etching by J. Pass, c. 1804, after J. Ihle.

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A bael tree (Aegle marmelos) with sectioned fruit, a dancefly (Empis livida) and three worms (Enchelis species). Coloured etching by J. Pass, c. 1804, after J. Ihle. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.