TABLE 5 in Rediscovery of synanthropic silverfish Ctenolepisma calvum (Ritter, 1910) (Insecta: Zygentoma: Lepismatidae: Ctenolepismatinae) from Kerala, India and assignation of European C. calvum to a new species

TABLE 5. — Comparison of Ctenolepisma calvum (Ritter, 1910) (Kerala, India) and Ctenolepisma phantasma Molero-Baltanás, Raphel, Mitchell & Jose, n. sp. (European specimens described in Molero-Baltanás et al. (2024a) as C. calvum). CharacterCtenolepisma calvum (Ritter, 1910) from KeralaCtenolepisma phantasma Molero-Baltanás, Raphel, Mitchell & Jose, n. sp. from EuropeBody lengthUp to 10 mmUp to 12 mm (usually 8-9 mm)Number of sensory papillae in labial palp5 in a single row3 in single rowNumber of lateral combs on pronotum(8-9) + (8-10)8Number of macrosetae of lateral combs of pronotum2-51-4Number of lateral combs on mesonotum(8-9) + (8-9)(7-8) + (7-8)Number of macrosetae of lateral combs of mesonotum2-31-3Number of lateral combs on metanotum(5-6) + (5-7)(5-8) + (5-8)Number of macrosetae of lateral combs of metanotum1-31-3Number of macrosetae of posterolateral combs of thoracic nota2-31-3Anterior trichobothrial position of pronotumN-4 (or N-5)N-3Anterior trichobothrial position of mesonotumN-1N-2Number of macrosetae of prosternal combs7-103-4Number of macrosetae of mesosternal combs5-84-5Number of macrosetae of metasternal combs7-104-6Metasternum ratio length/width0.9-1.00.87Number of macrosetae of infralateral combs of urotergites II-VIII3-53-4Number of macrosetae of sublateral combs of urotergites II-VIII22-3Number of macrosetae of submedian combs of urotergites II-VIII2-31-2Number of macrosetae of lateral combs of urosternites4-134-8Number of pairs styli2 pairs (on VIII and IX)1 pair (on IX)Scales on femoraSubtriangular, elongate,Subtriangular, elongate,bifid or truncate apicallybifid or truncate apically