Nesamblyops larochellei Sokolov, 2025, sp. nov.
Bibliographic record
Abstract
Nesamblyops larochellei, sp. nov. Figures. 1B, 2B, 3D–F, 4 HOLOTYPE, male, in NZAC, labeled: \ New Zealand —South Island, Lewis Pass, Road SH7 summit, Nothofagus forest, 920m, washed soil sample: M31:602701 Nunn J. 19 October 2007 \ Molecular voucher № 81 Sokolov I.M. 2008 \. PARATYPES, (3 specimens), 3 females labeled: \ New Zealand BR Lewis Pass Road summit 19 Oct 07 / Washed soil sample, beech forest M31:602701 \. Etymology. The specific epithet is a Latinized eponym in the genitive case and is based on the surname of André Larochelle, Canadian-New Zealand entomologist (New Zealand Arthropod Collection, Maanaki Whenua— Landcare Research, Auckland, New Zealand), who made material of New Zealand Anillini available for this study. Type locality. New Zealand, South Island, BR, Lewis Pass. Recognition. Adults of this species (Fig. 1B) can be distinguished from other blind Nesamblyops species by the pattern of microsculpture on the forebody, well-developed on the frons of the head, but absent on the disc of the pronotum, and by the structure of the male genitalia. Description. Of medium size for genus (SBL range 1.56–1.59 mm, mean 1.58± 0.02 mm, n=4). Habitus. Body form (Fig. 1B) slightly convex, elongate ovoid, general proportions moderately narrow (WE/SBL 0.37±0.01), head moderately wide relative to pronotum (WH/WPm 0.76±0.01), pronotum of normal proportions in comparison to elytra (WPm/WE 0.75±0.01). Color. Body color rufotestaceous, appendages testaceous. Microsculpture. Mesh pattern of irregularly isodiametric sculpticells distinctly present over all dorsal surface of head. Disc of pronotum smooth (without evident microsculpture). Prothorax. Pronotum (Fig. 2B) moderately long in comparison to elytra (LP/LE 0.39±0.02) and moderately transverse (WPm/LP 1.25±0.07), with lateral margins rectilinear and strongly constricted posteriorly (WPm/WPp 1.57±0.07). Anterior angles indistinct, posterior angles strongly obtuse (139–147°), completely rounded. Width between anterior angles greater than between posterior angles (WPa/WPp 1.23±0.03). Basal margin almost rectilinear. Elytra. Ovoid, widely depressed along suture, comparatively long (LE/SBL 0.58±0.01) and moderately narrow (WE/LE 0.64±0.02). Humeri completely rounded. Lateral margins slightly divergent at basal half, subparallel at middle and evenly rounded to apex in apical third. Male genitalia. Median lobe of aedeagus (Fig. 3F) moderately arcuate and slightly twisted. Shaft subparallel in basal third, tapering in apical half. Apex small, straight, with narrowly rounded tip. Apical orifice long, occupies apical half of the shaft length. Ventral margin of median lobe almost straight. Walls of shaft without poriferous canals. Copulatory sclerites moderately reduced and weakly sclerotized, represented by dorsal branches of reduced V-contour and small medial rC-sclerite. Sclerotized membraneous fields absent. Left paramere (Fig. 3D) of moderate length, with non-attenuated apex, bearing two long setae. Right paramere (Fig. 3E) long, narrow, bearing two long setae, which are shorter the length of paramere. Ring sclerite not examined. Female internal genitalia. Spermatheca not examined. Geographical distribution. The range of the species is the northern part of the South Island and restricted to the northern area of the Southern Alps near Lewis Pass at the boundary between the West Coast and the North Canterbury regions (Fig. 4, red circle). Habitat. Specimens were collected using a washing technique (as per label) from soil samples (labels mention beech / Nothofagus forest). Relationships. The structure of the male genitalia of N. larochellei suggests its relatedness to the main pool of the Nesamblyops species with developed V-contour and rC-sclerite in the internal sac of the median lobe. Reduced V-contour and bisetose parameres possibly point out to N. kusheli Sokolov and N. moorei Sokolov as the closest relatives of the new species. Among blind representatives of the genus, the configuration of copulative sclerites of N. larochellei suggests its relatedness to N. pygmaeus, but not to N. nunni.
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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) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.007 | 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".