. Bulletin of the British Museum (Natural History) Entom Supp. . 215 216 Figs. 211-216. Pupal gill form in subgenus Metomphalus. 211-213, medusaeforme-group. 214, albivirgulatum-gioup. 215 and 216, Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original British Museum (Natural History). London : BM(NH)

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