Revision of the genus Porcellionides Miers, 1877 (Isopoda: Porcellionidae) in the Ibero-Balearic region Author Cifuentes, Julio EC002DBE-9816-4034-92A0-0B3D4DCBB150 Departamento de Biología (Zoología), Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Cantoblanco, Madrid, Spain. jcifcol@gmail.com Author Da Silva, Luís P. E8D1AF11-1FB2-4BC5-A5E8-01E05ABDC5A8 CIBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos, InBIO Laboratório Associado, Campus de Vairão, Universidade do Porto, 4485 - 661 Vairão, Portugal. & BIOPOLIS Program in Genomics, Biodiversity and Land Planning, CIBIO, Campus de Vairão, 4485 - 661 Vairão, Portugal. lfpascoals@cibio.up.pt text European Journal of Taxonomy 2024 2024-06-19 939 1 51 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2573/11693 journal article 298682 10.5852/ejt.2024.939.2573 5e0a75cb-db2c-4050-b54d-4aea99af9c76 2118-9773 12156988 C8AD1685-DDA6-4F03-9189-BBC525F54A0D

Table 1. Summary of comparative characters for species within the genus Porcellionides Miers, 1877 found in the Ibero-Balearic region.

	P. cingendus P. elegans P. fuscomarmoratus (Kinahan, (Pollo Zorita, (Budde-Lund, 1857) 1982) 1885)			P. glaber (Koch, 1856)	P. hispanus (Vandel, 1953)	P. lucasioides P. lusitanus (Vandel, 1953) (Vandel, 1946)		P. molleri (Verhoeff, 1901)	P. pruinosus (Brandt, 1833)	P. sexfasciatus (Budde-Lund, 1885)	P. ibericus sp. nov.
body convexity	pronounced	slightly pronounced	pronounced	highly pronounced	slightly pronounced	slightly pronoun- slightly proced nounced		slightly pronoun- pronounced ced		pronounced	slightly pronounced
granulations	faint highly marked smooth			smooth	marked	marked	highly marked	slightly marked	flat	thin	marked
glandular fields	ovoid or semi-ovoid	long	absent	long	long	small	long	long	very small	elongated	long
cephalon lateral lobes	very small	small	reduced to a protrusion	reduced to a protrusion	reduced to a protrusion	moderate	prominent	small	small	slightly marked	prominent
pereonintes with transverse ridges	II–VII	no	no	I–VII	no	II–VII	no	no	no	II–VII	no
pleon in relation to pereon	retracted	slightly retracted	slightly retracted	retracted	retracted	slightly retracted slightly retracted		retracted highly retracted		somewhat retracted	slightly retracted
1st antennal flagellum in relation to 2nd	slightly smaller	almost equal (1st> 2nd)	double	slightly longer	slightly longer	slightly smaller	much longer	(approximately) equal	double	slightly longer	almost equal (1st> 2nd)
sexual differentiation on pereopod 1	yes	yes	yes	no	no	yes	yes	yes	yes	no	no
sexual differentiation on pereopod 2	yes	no	no	no	no	yes	no	yes	no	no	no
sexual differentiation on pereopod 3	yes	no	no	no	no	no	no	no	no	no	no
sexual differentiation on pereopod 7	no	no	no	no	no	no	no	no	no	no	no
♂ exopod of pleopod I: posterior inner tip	long and triangular	large with a small and triangular big notch		long and pointed	absent or weaklylarge and pointed very small discernible			slightly marked	large and triangular	long and triangular	large and truncated
notched exopods of pleopod I and II (♂ and ♀)	yes	no	no	no	no	no	no	yes	no	no	no