File:An introduction to entomology. John Comstock, 1920. Page 331, fig. 378, no legend. Mouthparts of a booklouse.jpg

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An_introduction_to_entomology._John_Comstock,_1920._Page_331,_fig._378,_no_legend._Mouthparts_of_a_booklouse.jpg ‎(399 × 335 pixels, file size: 75 KB, MIME type: image/jpeg)

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English: Mouthparts of a booklouse, Liposcelis divinatoria

A) Maxilla and paragnathus of right side, ventral view; m - maxilla; f - paragnathus; p - protractor muscle; r - retractor muscle B) Mandibles C) Labium, ventral view; p - palpus

From "An introduction to entomology". John Comstock, 1920. Page 331, fig. 378, no legend.

Note: "Troctes divinatorius" in the original. Current valid name is Liposcelis divinatoria.
Date
Source "An introduction to entomology". John Comstock, 1920. Page 331
Author John Henry Comstock (1849 – 1931)

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