Doenitzius minutus, Seo, 2018

Seo, Bo Keun, 2018, New species and records of the spider families Pholcidae, Uloboridae, Linyphiidae, Theridiidae, Phrurolithidae, and Thomisidae (Araneae) from Korea, Journal of Species Research 7 (4), pp. 251-290 : 283

Doenitzius minutus n. sp.

ẅêợḍljHḑ (ṉÿ) ( Figs. 6R , 18 A-B, E-F)

Material examined. Holotype: $, mixed forest (37°44 ʹ 28 ʺ N, 128°35 ʹ 05 ʺ E, alt. 693 m), Jinbu-myeon, Pyeongchang-gun, Gangwon-do, 24 September 2009, S. Y. Kim.

Etymology. The specific name is a Latin adjective “ minutus ” (small), referring to the size of type specimen.

Diagnosis. The new species is very similar to D. pruvus Oi, 1960 in the epigynum and internal genitalia, but different from the latter by the size of carapace, the ventral spination of female femur, the length of epigynum and copulatory duct of internal genitalia ( Fig. 18 A-H).

Description. Female (holotype). Total length 1.53. Habitus as in Figure 6R . Carapace dirty yellow, 0.80 long, 0.63 wide. Clypeus height 2 times of diameter of AME. AER 0.23, PER 0.26. AER recurved and PER procurved in dorsal view. AME 0.04, ALE 0.08, PME 0.07, PLE 0.05, AME-AME 0.01, AME-ALE 0.01, PME-PME 0.03, PME-PLE 0.03, AME-PME 0.05, and ALE-PLE contiguous. Median ocular quadrangle, height = posterior side>anterior side (12:6). Chelicera with three promarginal and four retromarginal teeth. Sternum 0.47 long, 0.48 wide. Labium 0.09 wide. Leg measurements: I 2.65 (0.70, 0.26, 0.64, 0.53, 0.52), II 2.49 (0.65, 0.25, 0.56, 0.52, 0.51), III 2.21 (0.61, 0.23, 0.48, 0.46, 0.43), IV 2.97 (0.81, 0.25, 0.77, 0.62, 0.52). Leg I/c 3.31. Fem. I/c 0.88. Tib. I/c 0.80. Met. I/c 0.66. Pat. I + tib. I/c 1.13. Met. I/tar. I 1.02. Met. IV/tar. IV 1.19. Chaetotaxy 2-2- 2-2. Tm 1 0.25, Tm IV absent. Leg spination pattern: Femur; I p0-0-1, v0-0-1; II-IV v0-0-1. Tibia; I d1-1, p0- 1, r0-1; II d1-1, r0-1; III-IV d1-1, p0-0-0-1, r0-0-0-1. Metatarsus; I-IV d0-1-0. Abdomen oval and dirty yellow, and 0.93 long, 0.60 wide. Epigynum: ventral plate elongated triangular; internal genitalia with a pair of spermathecae and curved copulatory ducts ( Fig. 18 A-B, E-F).

Habitat. Mixed forest.

World Distribution. Korea (Gangwon-do).

Deposition. NIBR.

Identifier. Bo Keun Seo.

Figures

Fig. 6. Habitus of linyphiid species (II): A - Agyneta furcula n. sp., male; B - idem, female; C - Agyneta insulana Tanasevitch, 2000, male; D - Arcuphantes chiakensis n. sp., male; E - idem, female; F - Arcuphantes chilboensis n. sp., male; G - idem, female; H - Arcuphantes longiconvolutus n. sp., female; I - Arcuphantes namweonensis n. sp., male; J - Arcuphantes pennatoides n. sp., male; K - idem, female; L - Arcuphantes pyeongchangensis n. sp., male; M - Collis flavus n. sp., male; N - idem, female; O - Collis pusillus n. sp., male; P - idem, female; Q - Collis silvaticus n. sp., male; R - Doenitzius minutus n. sp., female; S - Nippononeta bituberculata n. sp., male; T - idem, female. Scale bars: 0.5 mm.

Fig. 18. Doenitzius minutus n. sp.(A-B, E-F), Doenitzius pruvus Oi, 1960(C-D, G-H) and Nippononeta bituberculata n. sp.(I-O):A, C, E, G, M, N - epigynum, ventral view; B, D - idem, lateral view; F, H, O - internal genitalia; I - male left palp, retrolateral view; J - idem, prolateral view; K -idem, ventral view; L - paracymbium. Scale bars: 0.1 mm.