Rhytomus larseni Saxton & Genier 2025, new species
Bibliographic record
Abstract
Rhytomus larseni Saxton & Génier, new species urn:lsid:zoobank.org:act: 277D719A-381F-4447-8665-B42E8617FA3A Fig. 7D, 8D, 9D, 11B, 11C, 12D Name-bearing type data. Holotype ♂ (CMNC): || PAPUA NEW GUINEA: Western | Prov., P’nvang, CI RAP Survey | Camp 1. 05º29.5S 141º32.6E | 573 m. May 2013. T. Larsen ||; || Canadian Museum of | Musée canadien de la | NATURE | CMNEN 00049307 || [QR code label]; || HOLOTYPE ♂ | Rhytomus | larseni | Des. N. Saxton & F. Génier, 2024 || [red card]. Material examined (163 ♂♂, 90 ♀♀). PAPUA NEW GUINEA: WESTERN PROVINCE, CI RAP Survey Camp 1, P’nvang, 575 m, 05°29’S, 141°32’E, v.2013, T. Larsen — 2 ♂♂, 2 ♀♀ paratypes (ANIC), 2 ♂♂, 2 ♀♀ paratypes (NHMUK), ♂ holotype, ♀ allotype, 101 ♂♂, 54 ♀♀ paratypes (CMNC), 2 ♂♂, 2 ♀♀ paratypes (MNHN), 2 ♂♂, 2 ♀♀ paratypes (NMPC), 2 ♂♂, 2 ♀♀ paratypes (USNM); CI RAP Survey Camp 2, P’nvang, 800 m, 05°30’S, 141°34’E, v.2013, T. Larsen — 49 ♂♂, 23 ♀♀ paratypes (CMNC), 2 ♂♂, 2 ♀♀ paratypes (QM). Description. Measurements. Body length 4.1–5.4 mm, maximum body width 2.7–3.1 mm. Holotype: body length 4.7 mm, maximum body width 3.0 mm. Body. Overall body shape in dorsal view elongate-oval, elytral edge slightly subangular at apical third. Head. Clypeal edge lateral to clypeal teeth lacking emargination, head margin at clypeogenal suture of females slightly protruding. Dorsal parts of eyes semi-ovoid, separated by an interocular space of about 5.5 times eye width. Pronotum. Pronotal width to length along midline ratio 1.8, lateral pronotal edge sharply defined throughout, pronotal pubescence long and conspicuous, pronotal basal portion along midline lacking fine longitudinal depression. Elytra. Elytral maximum width to length along suture ratio 1.0, elytral outline moderately convex in lateral view, elytral pubescence long and conspicuous, elytral surface between punctures with distinct microsculptures (Fig. 11B), basal elytral pit wide and deep (Fig. 11C), basal surface of pseudepipleuron with sharply defined simple punctures, interstriae 3–5 on basal fifth with two rows of punctures along striae, with at most a few scattered punctures in some individuals. Legs. Profemoral anterior surface deeply furrowed, male metatibial apicointernal tooth set anteriorly to posterior tibial edge (Fig. 12D). Pygidium. Pygidial groove terminating in a pit at each end, pygidial surface along midline with punctures similar in density to rest of discs, pygidial surface along basal groove smooth between punctures (Fig. 8D), pygidium of female evenly convex. Aedeagus. Left paramere apex produced into a rounded oblique projection (Fig. 9D). Female genitalia. Spermatheca lacking apodemes. Etymology. This specific epithet of this species is the Latinized genitive form of “Larsen”, in honor of Trond H. Larsen who collected all the specimens in the type series and contributed greatly to the number of Rhytomus specimens available for study from PNG.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.014 | 0.004 |
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".