Chalcovietnamicus weihangi Yu & Hoang & Maddison & Zhang 2023, sp. nov.
Bibliographic record
Abstract
Chalcovietnamicus weihangi Yu & Zhang, sp. nov. (NJüffiḋff) Figs 2–3, 88–104, 144 Type material. Holotype: ♁ (MHBU-ARA-00023662), CHINA: Guangxi Prov., Guilin City, Xing’an County (ẊṘƌ), Maoershan National Natural Reserve (OiẌƜDZḞƦñãffiŻ), Lijiangyuan canyon (NJflAEXựê), 25.0142°N, 110.0083°E, 476 m elev., 3 May 2021, leg. Y. Mu & W. Wang, HBUARA#2021-37. Paratype: 1♀ (MHBU-ARA-00023663), same data as holotype. Other material examined. CHINA: 1♁ 11♀ (MHBU-ARA-00023664~00023667), Guangxi Province, Hezhou City, Fuchuan Yao Autonomous County (âfflẈḦƦàƌ), Chengbei Town (Ẅẍā), Xinzhai Village (ĔẠn'), 24.0125°N, 111.0036°E, 312 m elev., 8 May 2021, leg. Y. Mu & W. Wang, HBUARA#2021-44; 1♀ (MHBU-ARA-00023668), Same locality, 7 May 2021, leg. Y. Mu & W. Wang, HBUARA#2021-42; 2♀ (MHBUARA-00023669~00023670), Guangxi Province, Hezhou City, Pinggui District (ṮIJŻ), Guposhan Scenic Area (ỄḄƜKṞŻ), Yilezhai (‒Ģ⁂), 24.0103°N, 111.0086°E, 830 m elev., 11 May 2021, leg. Y. Mu & W. Wang, HBUARA#2021-49. Etymology. The specific epithet is in honor of Mr. Weihang Wang (MHBU), who contributed greatly to this work by collecting specimens and taking photographs of living spiders. Diagnosis. It can be distinguished from all other congeners by the embolus that is bent near 90° in ventral view (Figs 97, 101), and the relatively low atria along with an obviously raised median septum (Fig. 99). Description. Male. Habitus as shown in Figs 92–93. Measurements of holotype (MHBU-ARA-00023662): carapace length 1.82; abdomen length 1.55; measurements of eyes: AME 0.37, ALE 0.22, PME 0.06, PLE 0.19; measurements of legs: I 3.35 (0.99, 0.69, 0.72, 0.57, 0.38), II 2.74 (0.92, 0.48, 0.62, 0.38, 0.34), III 2.87 (0.97, 0.44, 0.54, 0.56, 0.36), IV 2.92 (0.89, 0.45, 0.62, 0.62, 0.34); leg formula 1423. Endite with anterior lateral subtriangular extension. Color (Figs 88–89): Body dark, covered with dark-khaki setae except for face, palp and tibia I, these parts slightly darker than other body parts; abdominal pattern indistinct. Palp as in Figs 97–98, 101–102: Cymbium slightly longer than palpal bulb in length, cymbial process (CyP) present, slightly visible in ventral view of palp; tegular lobe stout, sticking out of tegulum, not curved; embolus curved near 90° in ventral view, sticking out of large and oval embolic disc, embolic disc hidden behind bulb; retrolateral tibial apophysis (RTA) wide in retrolateral view, platelike, domed in distal part. Female. Habitus as shown in Fig. 94. Measurements of paratype (MHBU-ARA-00023665): carapace length 2.22; abdomen length 2.37; measurements of eyes: AME 0.41, ALE 0.25, PME 0.07, PLE 0.24; measurements of legs: I 3.44 (1.09, 0.65, 0.76, 0.53, 0.41), II 3.11 (1.03, 0.58, 0.61, 0.52, 0.37), III 3.26 (1.15, 0.59, 0.55, 0.59, 0.38), IV 3.63 (1.24, 0.58, 0.74, 0.72, 0.35); leg formula 4132. Body form like male, but without anterior lateral subtriangular extension and present central setal tuft on sternum (Fig. 96); dorsal abdominal pattern clearer than male, with discontinuous and hollow longitudinal light mark on axis, and three pairs of transverse light setal bands on each side of posterior part (Fig. 30). Vulva as in Figs 99–100, 103–104: Copulatory ducts curved outward; spermathecae subspherical, with accessory glands (AG) attached at their base. Variation. In the male from Hezhou, Guangxi (MHBU-ARA-00023664), the tegular lobe (TL) is relatively short, palpal patella is obviously elongated, and the retrolateral patellar crack (PC) is present, whereas in the holotype male, the tegular lobe (TL) is long, palpal patella is short, and the patellar crack is fused (Fig. 98). Natural history. All specimens were collected in cracks of handrails. One female was observed preying on ant (possibly Crematogaster sp.; Fig. 3). Distribution. China (Guangxi).
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.002 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.002 | 0.003 |
| Science and technology studies | 0.003 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.011 | 0.006 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".