. Bulletin of the British Museum (Natural History) Entomology. . Figs 18-29. Valvulae 2, apices, lateral view. 18, Heteropelma amictum (F.); 19, Barylypa humeralis Brauns; 20, Trichomma fulvidens Wesmael; 21, Aphanistes xanthopus (Schrank); 22, Anomalon foliator (F.); 23, Gravenhorstia (Erigorgus) cerinops (Gravenhorst); 24, Therion circumflexum (L.); 25, Ophionellus fragilis Westwood; 26, Agrypon anxium (Wesmael); 27, Philodrymus vitticollis (Cresson); 28, Psend anomalon gracile Szepligeti; 29, Parania tricolor (Szepligeti).. Please note that these images are extracted from scanned page image
. Bulletin of the British Museum (Natural History) Entomology. . Figs 18-29. Valvulae 2, apices, lateral view. 18, Heteropelma amictum (F.); 19, Barylypa humeralis Brauns; 20, Trichomma fulvidens Wesmael; 21, Aphanistes xanthopus (Schrank); 22, Anomalon foliator (F.); 23, Gravenhorstia (Erigorgus) cerinops (Gravenhorst); 24, Therion circumflexum (L.); 25, Ophionellus fragilis Westwood; 26, Agrypon anxium (Wesmael); 27, Philodrymus vitticollis (Cresson); 28, Psend anomalon gracile Szepligeti; 29, Parania tricolor (Szepligeti).. 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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