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. There are currently 18 species in this genus.
Description Dryadillo sp. have a cephalon with a frontal lamina (head shield) that does not protrude past the end of the cephalon. The epimera (side plates) 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 epimera 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.
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. Some species in this genus are cave-dwelling and have troglomorphic traits.
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