Sinocallipus steineri
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Ordo: Callipodida
Familia: Sinocallipodidae
Genus: Sinocallipus
Name
Sinocallipus steineri Stoev & Enghoff, 2011 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
- cf. Sinocallipus: Steiner 2005[1], p. 96.
Material examined
Holotype: ♂; 71 PT + telson, Laos, Luang Phrabang Province, Ponsai District, Ben Nambo (Thapo) Village, Tham Gia (Bat cave) (E-48-001/07), 19°57.233N, 102°25.457E, alt. approx. 400 m, 27.XII.2003, H. Steiner leg. (SMF); – Paratype: adult ♂, 67 PT, same locality, date and collector (NMNHS).
Description of locality
For detailed descriptions of the cave and its exact locality see Burgers et al. (2005)[2]. The new species has been collected from the ceiling of the cave (H. Steiner, in lit.). Cave crickets, a spider, and the centipede Thereuopoda longicornis co-occur with Sinocallipus steineri (Steiner 2005[1], Jäger and Praxaysombath 2009[3]).
Origin of name
Named after the German biospeleologist Helmut Steiner, an active explorer of the caves of Laos, who collected the species.
Diagnosis
Males: Differs from congeners by the following set of characters: 67–71 PT in adults; head and PT 1–4 white, remaining PT mottled light brown–grayish, antennomeres 2–6 brown; antennae moderately long, extending beyond posterior edge of PT7 when folded backwards; eyes black, well delineated, composed of 33–35 ocelli; midbody PT with 3+3 crests between ozopores; all crests flattened, almost equally broad along metazonal length, only slightly narrowed posteriorly and touching each other anteriorly. Gonopods: differ from those of congeners by the laterally narrowed gonocoxal process g and by the much longer process k being 2/3rd the height of g.
Description
Males: Maximal length: ca 54–55 mm, width of midbody PT 2.5 mm, 67–71 PT + telson. Body colour: generally white-yellowish; head and PT 1–4 white, remaining PT mottled light brown–grayish, the last 1/5 of the body brownish; metazonites with a narrow transverse posterior band. Head: white-yellowish, pilose; epicranium marbled light brown; cephalic suture visible. Antennae: moderately long, extending beyond the posterior edge of PT 7 when folded backwards; antennomeres 1 and 7 white, 2–6 – brown; length of antennomeres: 1 – 0.4 mm, 2 – 1.1 mm, 3 – 1.3 mm, 4 – 0.8 mm, 5 – 0.9 mm, 6 – 0.7 mm, 7 – 0.3 mm; antennomere ratio: 3>2>5>4>6>1>7; tip of antennomere 7 with four cones protruding well beyond the edge. Eyes: black, well delineated, composed of 33–35 ocelli in 5 rows (Fig. 20).
Width of PT: 2–3<1=4<5<6<7<8<9<10. PT slightly higher than broad; ratio: 1.07 : 1. Dorsal side of collum and PT 2–3 smooth, ribbed only laterally; complete crests series appearing from PT 4 onwards. Midbody PT with 3+3 crests between ozopores; no secondary crest series, all crests flattened, almost equally broad along the metazonal length, only slightly narrowed posteriorly and touching each other anteriorly. Ozopores on midbody PT lying between crests 3 and 4, visible from sixth to last but two PT. Paraprocts divided into smaller dorsal and bigger ventral sclerites. Each dorsal sclerite with a pair of macrosetae in a vertical line. Spinnerets: long and slender, ending with a long seta each. All setae on telson dark brown, contrasting with the whitish background.
All legs white-yellowish, moderately long and slender, ending with a long claw. Tarsal pads poorly developed, present only on leg-pairs 3–12. No particular modifications on coxae of pregonopodal legs. Prefemora of legs 4–7 swollen. Leg-pair 9 (Figs 21, 29): coxa subtrapezoidal; trochanter with two processes: anterior one (h) higher, leaf-shaped, its tip very sharpened, spine-like, curved cephalad; posterior process (z) rounded with a small triangular bulge; a small pore opening (p) below the bulge.
Chaetotaxy: pleurotergal setae barely visible, minute, one each on PT 1 and 2, others presumably broken off.
Gonopods (Figs 22, 23): similar to those of congeners, but process k is longer. Coxae (cx): process g laterally narrowed, not clavate as in the other congeners; apical part slighly truncated (in lateral view); k 2/3 the height of process g, slightly bent lateralwards at midlength; apex with a small hook pointing towards process g. Femoroid (fe): with three slender, acicular (n), and one shorter and subfalcate (m) terminal projections, latter almost half length of the longest projection. Cannula (ca): long and slender, not coiled, its distal part lying between processes h and z on trochanter of leg 9 in close proximity to the pore opening (p).
Female: unknown.
Original Description
- Stoev, P; Enghoff, H; 2011: A review of the millipede genus Sinocallipus Zhang, 1993 (Diplopoda, Callipodida, Sinocallipodidae), with notes on gonopods monotony vs. peripheral diversity in millipedes ZooKeys, 90: 13-34. doi
Other References
- ↑ 1.0 1.1 Steiner H (2005) Biospeleological notes on Laos. In: Dreybrodt J, Laumanns M (Eds) The unknown North of Laos (Karst and Caves of the Provinces Luang Phrabang and Luang Nam Tha). Berliner Höhlenkundliche Berichte 16:92-96.
- ↑ Burgers J, Dreybrodt J, Laumanns M, Steiner H, Zillig W (2005) The caves of the Luang Phrabang province. In: Dreybrodt J, Laumanns M (Eds) The unknown North of Laos (Karst and Caves of the Provinces Luang Phrabang and Luang Nam Tha). Berliner Höhlenkundliche Berichte 16:15-79.
- ↑ Jäger P, Praxaysombath B (2009) Spiders from Laos: new species and new records (Arachnida: Araneae). Acta Arachnologica 58 (1):27-51.
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