Pseudodesmus sp. 1

Nguyen, Anh D., Nguyen, Lien T. P. & Korsós, Zoltán, 2024, A review of the millipede genus Pseudodesmus Pocock, 1887 (Diplopoda, Platydesmida, Andrognathidae) from Vietnam, with descriptions of five new species and notes on its phylogeny, Zoosystematics and Evolution 100 (4), pp. 1515-1541 : 1515-1541

Pseudodesmus sp. 1

Fig. 25

Material examined.

Vietnam • 02 females; Daklak , Mdrak, Chu Mur; 12.71233 ° N, 108.86092 ° E, 478 m a. s. l., 15 Jul. 2019; Hoang Quang Duy leg.; under decaying wood along a trail; IEBR-Myr 875 .

Description.

Measurements: 57 and 64 body rings (midbody width of the larger one 3.9 mm).

Collum is unique, bilobed, but also divided to anterior and posterior ridges with 5–6 + 5 – 6 small tubercles in both rows. Legs with small coxal sacs. Tubercles in two rows, medially widely separated, 2 + 2 median tubercles not especially large, anterior row with 5–6 + 5 – 7 tubercles extending to the middle / edge or paraterga, posterior row with 5–6 small tubercles.

Coloration of ethanol-preserved specimens: very strong pattern, symmetric dark brown (almost black) color extends to the paraterga as well. Dark paraterga: 2–5, 8–10, 14, 18–19, 23, 26–29, 33–34, 36–38, 41–43, 46, 50–51, 53–54, 57–58, 61–64.

Figures

Figure 25. Pseudodesmus sp. 1. Female (IEBR-Myr 875). A – C. Habitus, dorsal view (A), lateral view (B), ventral view (C). Scale bars: 5 mm.