Published February 9, 2022 | Version v1

Isopoda Latreille 1817

Description

Key to species of terrestrial isopods from Isla Grande

1. Eyes present....................................................................................................................................... 2

– Eyes absent ............................... Stenoniscus nestori López-Orozco, Taiti & Campos-Filho sp. nov.

2. Animal with conglobation ability ...................................................................................................... 3

– Animal without conglobation ability. ................................................................................................ 6

3. Pereon dorsally smooth; pereonite 5 epimera with ventral phylacomera.......................................... 4

– Pereon dorsally tuberculate; pereonite 5 epimera without phylacomera ............................................ ......................................................................................... Ctenorillo tuberosus (Budde-Lund, 1904)

4. Phylacomera 5 paddle-shaped, extended anteriorly .......................................................................... 5

– Phylacomera 5 sickle-shaped.................................................. Tylos marcuzzii Giordani Soika, 1954

5. Inner lobe of schisma extending beyond posterior margin of outer lobe ............................................ .................................................. Tylos negroi López-Orozco, Carpio-Díaz & Campos-Filho sp. nov.

– Inner lobe of schisma not extending beyond posterior margin of outer lobe ...................................... .......................................................................................................... Tylos niveus Budde-Lund, 1885

6. Flagellum of the antennae with 4 or more articles ............................................................................ 7

– Flagellum of the antennae with 2–3 articles.................................................................................... 10

7. Flagellum of the antennae with 4 articles.......................................................................................... 8

– Flagellum of the antennae with more than 10 articles......... Ligia baudiniana Milne-Edwards, 1840

8. Dorsal surface almost smooth or with small tubercles ...................................................................... 9

– Dorsal surface of pereon with 4 prominent longitudinal ribs .............................................................. ....................................................................... Armadilloniscus caraibicus Paoletti & Stinner, 1989

9. Dorsal surface almost smooth.................................................. Armadilloniscus ninae Schultz, 1984

– Dorsal surface with small tubercles..................................................................................................... .................................................. Armadilloniscus luisi Carpio-Díaz, Taiti & Campos-Filho sp. nov.

10. Flagellum of the antennae with 3 articles.........................................................................................11

– Flagellum of the antennae with 2 articles........................................................................................ 14

11. Genital papilla with truncate apex ................................................................................................... 12

– Genital papilla with bifurcated apex....... Halophiloscia trichoniscoides (Vandel, 1973) comb. nov.

12. Male pleopod 1 endopod without lobe on outer margin of apical part............................................ 13

– Male pleopod 1 endopod with a lobe on outer margin of apical part .................................................. ................................................................................ Littorophiloscia tropicalis Taiti & Ferrara, 1986

13. Male pleopod 1 endopod with apex divided into three points............................................................. ........................................................................... Littorophiloscia amphindica Taiti & Ferrara, 1986

– Male pleopod 1 endopod with a long spine and 2 small distinct denticles on the inner margin of the apical part.......................................................... Littorophiloscia denticulata (Ferrara & Taiti, 1982)

14. Pleopod exopods with lungs ............................................................................................................ 15

– Pleopod exopods without lungs....................................................................................................... 16

15. Pleopodal lungs present in first two pairs of pleopods ...... Porcellionides pruinosus (Brandt, 1833)

– Pleopodal lungs present in all five pairs of pleopods .......................................................................... ................................................................................ Agnara madagascariensis (Budde-Lund, 1885)

16. Colorless body; eyes composed of two unequal ommatidia................................................................ ........................................................................ Trichorhina heterophthalma Lemos de Castro, 1964

– Pigmented body; eyes with 10 ommatidia........................................................................................... ................................ Trichorhina bermudezae Carpio-Díaz, López-Orozco & Campos-Filho, 2018

Notes

Published as part of López-Orozco, Carlos Mario, Carpio-Díaz, Yesenia M., Borja-Arrieta, Ricardo, Navas-S, Gabriel R., Campos-Filho, Ivanklin Soares, Taiti, Stefano, Mateos, Mariana, Olazaran, Alexandra, Caballero, Isabel C., Jotty, Karick, Gómez-Estrada, Harold & Hurtado, Luis A., 2022, A glimpse into a remarkable unknown diversity of oniscideans along the Caribbean coasts revealed on a tiny island, pp. 1-50 in European Journal of Taxonomy 793 on pages 40-41, DOI: 10.5852/ejt.2022.793.1643, http://zenodo.org/record/6037892

Files

Files (6.2 kB)

Name Size Download all
md5:919cc9b4a91048ed99505967c0f0d217
6.2 kB Download

System files (32.7 kB)

Name Size Download all
md5:2fbb9c96eb391a7e6f98548c1e15b902
32.7 kB Download

Linked records

Additional details

References

  • Budde-Lund G. 1904. A Revision of Crustacea Isopoda Terrestria, with Additions and Illustrations. Pt 1 Eubelum, Pt 2 Spherilloninae, Pt 3 Armadillo. H. Hagerup, Copenhagen, Denmark.
  • Giordani Soika A. 1954. Ecologia, sistematica, biogeografia ed evoluzione del Tylos latreillei. Bollettino del Museo civico di Storia naturale di Venezia 7: 63 - 83.
  • Budde-Lund G. 1885. Crustacea Isopoda terrestria per familias et genera et species descripta. Nielsen & Lydiche, Copenhagen, Denmark. https: // doi. org / 10.5962 / bhl. title. 109769
  • Milne-Edwards M. 1840. Ordre des isopodes. In: Histoire Naturelle des Crustaces, comprenant l'Anatomie, la Physiologie et la Classficiation de ces Animaux. Tome Troisieme. 115 - 283. Librairie Encyclopedique de Roret, Paris.
  • Paoletti M. G. & Stinner B. R. 1989. Two new terrestrial Isopoda (Oniscidea) from coralline cays of Venezuela's Caribbean coast. Proceedings of the Entomological Society of Washington 91 (1): 71 - 80. Available from https: // biostor. org / reference / 56403 [accessed 6 Jan. 2022].
  • Vandel A. 1973. Les isopodes terrestres et cavernicoles de l'ile de Cuba. In: Orghidan T., Nunez A., Botosaneanu L., Decou V., Negrea S. & Vina N. (eds) Resultats des Expeditions biospeologiques cubanoroumaines a Cuba, vol. 1: 153 - 188. Editura Academiei Republicii Socialiste Romania, Bucharest.
  • Ferrara F. & Taiti S. 1986. The terrestral isopods (Oniscidea) of the Arabian Peninsula. Fauna of Saudi Arabia 7: 93 - 121.
  • Ferrara F. & Taiti S. 1982. Isopodi terrestri delle Isole Andamane. Bollettino del Museo civico di Storia naturale di Verona 8: 459 - 492.
  • Brandt J. F. 1833. Conspectus Monographiae Crustaceorum Oniscodorum Latreillii. Byulleten Moskovskogo Obshchestva Ispytatelei Prirody 6: 171 - 193.
  • Lemos de Castro A. 1964. Trichorhina heterophthalma nueva especie de isopodo terrestre cavernicola de Cuba. Poeyana 2 A: 1 - 7.
  • Carpio-Diaz Y. M., Lopez-Orozco C. M., Campos-Filho I. S. & Navas G. R. 2018. Terrestrial isopods (Isopoda: Oniscidea) of the Botanical Garden of Cartagena " Guillermo Pineres ", Colombia, with the description of three new species. Arthropoda Selecta 27 (4): 301 - 318. https: // doi. org / 10.15298 / arthsel. 27.4.05