Parts and anatomy of a diptera, a fly.

Source: “Anatomical Parts of a Diptera” (19th Century) by Eugène Trutat – Muséum de Toulouse, public domain.
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Parts and anatomy of a diptera, a fly.
Source: “Anatomical Parts of a Diptera” (19th Century) by Eugène Trutat – Muséum de Toulouse, public domain.