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.