Otostigmus voprosus Schileyko, 1992

Vu, Ha T., Nguyen, Hung D., Le, Son X., Eguchi, Katsuyuki, Nguyen, Anh D. & Tran, Binh T. T., 2020, A review and notes on the phylogenetic relationship of the centipede genus Otostigmus Porat, 1876 (Chilopoda: Scolopendromorpha: Scolopendridae) from Vietnam, Zootaxa 4808 (3), pp. 401-438 : 431-432

Otostigmus voprosus Schileyko, 1992

( Figs. 36–39 )

Otostigmus voprosus Schileyko, 1992: 10 , fig. 2a; Schileyko 1995: 86, fig. 14; Schileyko 1998: 269; Schileyko 2001: 432; Schileyko 2007: 81.

Material examined. SON LA Province: 1 specimen (IEBR-Chi 031) Ta Xua Natural Reserve , natural forests, 21.3563N– 104.6752E, elevation of 673 m, 26 November 2017, coll. Ha Kieu Loan & Le X. Son; HOA BINH

Province: 1 specimen (IEBR-Chi 033) Xuan Nha Natural Reserve , natural forests, 20.7081N– 104.6879E, elevation of 760 m, 14 June 2018, coll. Nguyen D. Hung ; 2 specimens (IEBR-Chi 032, 224) Thuong Tien Natural Reserve , natural forests, 20.6360N– 105.4497E, elevation of 329–494 m, 30–31 January 2018, coll. Hoang N. Anh & Nguyen D. Hung ; VINH PHUC Province: 1 specimen (IEBR-Chi 029) Tam Dao National Park , natural forests, 21.4733N– 105.6394E, elevation of 900–1,000 m, 2–4 August 2017, coll. Nguyen D. Anh ; 2 specimens (IEBR-Chi 128, 019) Me Linh station for Biodiversity , regenerated forests, 21.3972N– 105.7139E, 9 September 2018, coll. Bean & Aun.

Diagnosis. Body with 21 leg-bearing segments. Spiracles oval-shaped ( Fig. 37C ). Antennae with 18 antennomeres including first three glabrous ( Fig. 36 ). Coxosternal plate with 3+3 teeth ( Fig. 36D ). Paramedian grooves distinct on tergites 6–20 ( Fig. 37B ). Sternites 6–20 non-striated with vague depressions ( Fig. 37A ). Coxopleural process short, conical, with 2 apical spines ( Figs 37D , 38 A–B). Spines on prefemur of the ultimate legs large and arranged in rows ( Fig. 38 C–D).

Previous records in Vietnam. LAI CHAU, HOA BINH, HA TINH ( Schileyko 1992, 1995, 2007)

Distribution. Only known from northern Vietnam ( Fig. 39 ).

Remarks. Our specimens agree with the description of Schileyko (1992).

Figures

FIGURE 36. Otostigmus voprosus Schileyko, 1992 (IEBR-Chi 031). Antenna and anterior part of body, dorsal view (A). Head and basal antennomeres, dorsal view (B). Ocelli, lateral view (C). Head, ventral view (D).

FIGURE 37. Otostigmus voprosus Schileyko, 1992 (IEBR-Chi 031). Sternites 9–10 (A). Tergites 9–10 (B). Spiracle 9th (C). Last segment and ultimate legs, dorsal view (D).

FIGURE 38. Otostigmus voprosus Schileyko, 1992 (IEBR-Chi 031). Coxopleural processes, ventral view (A), lateral view (B). Right ultimate leg, mesal view (C). Prefemur of the ultimate leg, ventral view (D).

FIGURE 39. Distribution of Otostigmus voprosus Schileyko, 1992 in Vietnam