Biology:Dryadillo

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Dryadillo is a genus of woodlice belonging to the family Armadillidae. This genus was described in 1992 by Stefano Taiti, Franco Ferrera, and Do Heon Kwon. The type specimen for this species is a Dryadillo baliensis (Herold, 1931) from Baturiti[1][2][3]. There are currently 18 species in this genus.

Description

Dryadillo sp. have a cephalon with a frontal lamina that does not protrude past the end of the cephalon. The side plates (epimeron) of their first segment do not have a thickened margin and their postlateral corner has a shallow cleft with the inner lobe much shorter than the outer one. The epimeron of their second segment have a semicircular ventral lobe.

Their telson has a conical shape and their uropod has a dorsal medial tooth and short exopod[3].

Distribution

This genus has been found in China, Hong Kong, Indonesia, Macau, Taiwan, and Vietnam. Several species appear to be endemic to islands in Indonesia[1][4]. Some species in this genus are cave-dwelling and have troglomorphic traits[5].

Species

  • Dryadillo arcangelii (Herold, 1931)
  • Dryadillo baliensis (Herold, 1931)
  • Dryadillo bedaliensis (Herold, 1931)
  • Dryadillo chengziensis Dai & Cai, 1998
  • Dryadillo feuerborni (Herold, 1931)
  • Dryadillo guizhouensis Taiti & Gruber, 2008
  • Dryadillo hebereri (Herold, 1931)
  • Dryadillo jinghongensis Dai & Cai, 1998
  • Dryadillo kemaensis Taiti, Ferrara & Kwon, 1992
  • Dryadillo longiantenna Le & Tran, 2025
  • Dryadillo maculatus (Arcangeli, 1952)
  • Dryadillo magnificus (Herold, 1931)
  • Dryadillo montanus (Herold, 1931)
  • Dryadillo parviocellatus Taiti & Gruber, 2008
  • Dryadillo rectifrons (Dollfus, 1898)
  • Dryadillo schellenbergi (Herold, 1931)
  • Dryadillo sexlineatus (Herold, 1931)
  • Dryadillo uenoi Nunomura, 1995

References

  1. 1.0 1.1 Schmidt, Christian; Leistikow, Andreas (2004). "Catalogue of genera of the terrestrial Isopoda (Crustacea: Isopoda: Oniscidea)". Steenstrupia 28 (1): 30. 
  2. Taiti, Stefano; Paoli, Pasquino; Franco, Ferrera (1998). "MORPHOLOGY, BIOGEOGRAPHY, AND ECOLOGY OF THE FAMILY ARMADILLIDAE (CRUSTACEA, ONISCIDEA)". Israel Journal of Zoology 44: 291-301. 
  3. 3.0 3.1 Taiti, S; Ferrara, F; Kwon, Dh (1992-06-01). "Terrestrial Isopoda (Crustacea) from the Togian Islands, Sulawesi, Indonesia" (in en). Invertebrate Taxonomy 6 (3): 787–842. doi:10.1071/IT9920787. ISSN 0818-0164. https://connectsci.au/is/article/6/3/787/15310/Terrestrial-Isopoda-Crustacea-from-the-Togian. 
  4. Schmalfuss, Helmut (2003). World catalog of terrestrial isopods (Isopoda: Oniscidea). Stuttgarter Beiträge zur Naturkunde, Serie A, Nr.. pp. 91-92. 
  5. Le, Hung Anh; Tran, Duc Luong (2025-06-23). "Dryadillo longiantenna sp. nov., a new species of cave-dwelling terrestrial isopods (Oniscidea, Armadillidae) from a karstic island in Quang Ninh province, North Vietnam" (in en). Academia Journal of Biology 47 (2): 75–87. doi:10.15625/2615-9023/21558. ISSN 2815-5920. https://vjs.ac.vn/vjbio/article/view/21558. 

Wikidata ☰ Q6493300 entry