Nyctimus saksang Dhiya'ulhaq & Benjamin 2025, sp. nov.

Nyctimus saksang Dhiya’ulhaq & Benjamin sp. nov. Figs 16, 17 Etymology. The specific epithet refers to a meat-stew dish associated with the Batak people from North Sumatra. The meat is cooked in blood, giving it a dark colouration. The dark colour of Nyctimus saksang Benjamin & Dhiya’ulhaq, sp. nov., is reminiscent of the colour of this dish. Type material. Holotype. Indonesia – Sumatra, Jambi Province • ♂; Batang Hari, Hutan Harapan Conservation Area; 02°09'48.9"S, 103°20'04.4"E; elev. 73 m; 6 Jul. 2013; J. Drescher leg.; canopy fogging in rainforest; GOET 2013_HF 2.1_AraThom 036 N_001 (to be transferred to MZB). Diagnosis. Males can be easily distinguished from all other congeners by the very wide, axe-shaped RTA which consists of three large lobes (Figs 16 C, D, 17). Description. Male (holotype 2013 _ HF 2.1 _ AraThom 036 N _ 001; Figs 16, 17). Total length 3.11. Prosoma length 1.50; width 1.25. Opisthosoma length 1.61; width 1.40. Diameter of eyes: AME 0.08; ALE 0.17; PLE 0.14; PME 0.05. Interdistances between eyes: AME – AME 0.40; AME – ALE 0.10; ALE – ALE 0.73; PME – PME 0.38; PME – PLE 0.33; ALE – PLE 0.21; AME – PME 0.22; PLE – PLE 0.95. Leg measurements: leg I 4.20 (1.20, 0.44, 1.05, 0.89, 0.62); leg II 3.74 (1.10, 0.34, 0.91, 0.78, 0.61); leg III 2.78 (0.83, 0.37, 0.67, 0.52, 0.39); leg IV 2.87 (0.88, 0.26, 0.70, 0.60, 0.43). Prosoma cuboid, almost as long as wide, dark reddish brown; surface weakly granulated; laterally adorned with long macrosetae, each arising from a small tubercle. Chelicerae and sternum coloured as prosoma. Endites brown with white tip. Front legs brown; back legs brown except for the white femora. Opisthosoma round, dark brown with paired white bars in the middle that are almost touching each other; anteriorly with a white border; posteriorly with a white patch; dorsally covered with scutum; five large sigillae present, arranged in a triangular formation. Palp (Figs 16 C, D, 17): cymbium oval. Embolus elongated, tapering; tip with a slight flange. Tegular hood small. RTA trilobed; ventral lobed finger-shaped; median lobe triangular, with dorsal lobe axe-shaped; dorsal edge slightly folded. VTA hook-shaped, small, attached medially on the ventral lobe of RTA. Female. Unknown. Distribution. Only known from the type locality (Indonesia: Sumatra: Jambi) (Fig. 19).

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2025-10-09
DOI
https://doi.org/10.5281/zenodo.17307025
Primary Topic
Bone Metabolism and Diseases
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article
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article

Nyctimus saksang Dhiya'ulhaq & Benjamin 2025, sp. nov.

Zenodo (CERN European Organization for Nuclear Research)
Bone Metabolism and Diseases
article

Nyctimus saksang Dhiya'ulhaq & Benjamin 2025, sp. nov.

article en

Abstract

Nyctimus saksang Dhiya’ulhaq & Benjamin sp. nov. Figs 16, 17 Etymology. The specific epithet refers to a meat-stew dish associated with the Batak people from North Sumatra. The meat is cooked in blood, giving it a dark colouration. The dark colour of Nyctimus saksang Benjamin & Dhiya’ulhaq, sp. nov., is reminiscent of the colour of this dish. Type material. Holotype. Indonesia – Sumatra, Jambi Province • ♂; Batang Hari, Hutan Harapan Conservation Area; 02°09'48.9"S, 103°20'04.4"E; elev. 73 m; 6 Jul. 2013; J. Drescher leg.; canopy fogging in rainforest; GOET 2013_HF 2.1_AraThom 036 N_001 (to be transferred to MZB). Diagnosis. Males can be easily distinguished from all other congeners by the very wide, axe-shaped RTA which consists of three large lobes (Figs 16 C, D, 17). Description. Male (holotype 2013 _ HF 2.1 _ AraThom 036 N _ 001; Figs 16, 17). Total length 3.11. Prosoma length 1.50; width 1.25. Opisthosoma length 1.61; width 1.40. Diameter of eyes: AME 0.08; ALE 0.17; PLE 0.14; PME 0.05. Interdistances between eyes: AME – AME 0.40; AME – ALE 0.10; ALE – ALE 0.73; PME – PME 0.38; PME – PLE 0.33; ALE – PLE 0.21; AME – PME 0.22; PLE – PLE 0.95. Leg measurements: leg I 4.20 (1.20, 0.44, 1.05, 0.89, 0.62); leg II 3.74 (1.10, 0.34, 0.91, 0.78, 0.61); leg III 2.78 (0.83, 0.37, 0.67, 0.52, 0.39); leg IV 2.87 (0.88, 0.26, 0.70, 0.60, 0.43). Prosoma cuboid, almost as long as wide, dark reddish brown; surface weakly granulated; laterally adorned with long macrosetae, each arising from a small tubercle. Chelicerae and sternum coloured as prosoma. Endites brown with white tip. Front legs brown; back legs brown except for the white femora. Opisthosoma round, dark brown with paired white bars in the middle that are almost touching each other; anteriorly with a white border; posteriorly with a white patch; dorsally covered with scutum; five large sigillae present, arranged in a triangular formation. Palp (Figs 16 C, D, 17): cymbium oval. Embolus elongated, tapering; tip with a slight flange. Tegular hood small. RTA trilobed; ventral lobed finger-shaped; median lobe triangular, with dorsal lobe axe-shaped; dorsal edge slightly folded. VTA hook-shaped, small, attached medially on the ventral lobe of RTA. Female. Unknown. Distribution. Only known from the type locality (Indonesia: Sumatra: Jambi) (Fig. 19).

Zenodo (CERN European Organization for Nuclear Research)
IPB University (ID), National Institute of Fundamental Studies (LK), Institute of Zoology (KZ), University of Göttingen (DE)
Life in Land
Openalex Percentile: Top 45%
Bone Metabolism and Diseases
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