Acilius;Aethionectes;Graphoderus;Homaeolytrus;Homoeolytrus;Rhantaticus;Sandracottus;Thermonectus;Thermonetus;Tikoloshanes
Bibliographic record
Abstract
Identification key to instar III larvae of World genera of Aciliini (Coleoptera: Dytiscidae, Dytiscinae) Instar III larvae of Aciliini are readily differentiate from instars I and II by the presence of spiracular openings on each side of mesothorax and abdominal segments I–VII. The key does not include the Afrotropical Tikoloshanes, which larvae have yet to be described. 1. Specimens from the Holarctic region, not found in Southwest U.S.A. ............................................ 2 - Specimens not from the Holarctic region, exceptionally found in Southwest U.S.A. ................................ 3 2. Prementum median process Y-shaped (= bifid), at least with an apical incision; primary pores MNa and MNb articulated at about same level on mandible; GA/MP1> 2.00........................................................ Acilius - Prementum median process unifid, lacking an apical incision (as in Figs 9–10, 18); primary pore MNa inserted distally to pore MNb on mandible (as in Fig. 5); GA/MP1 <1.50................................................. Graphoderus 3. Specimens from the Neotropical and Southwest U.S.A. region...................................... Thermonectus - Specimens from either the Australian, Oriental or Afrotropical regions........................................... 4 4. Meso- and metacoxa lacking anterior hair-like setae; metatrochanter lacking proximal hair-like secondary setae; stipes with two rows of spine-like setae dorsally; HL/HW> 1.70; MP3/MP2> 1.70; GA/MP1 <2.50; LAS/HW> 1.60; U/HW = 0.20............................................................................................... Rhantaticus - Meso- and metacoxa with a row of anterior hair-like setae; metatrochanter with a variable number of proximal hair-like secondary setae (as in Figs 11–12); stipes with one row of spine-like setae dorsally (Fig. 7); HL/HW <1.50; MP3/MP2 <1.60; GA/MP1> 1.70; LAS/HW <1.40 U/HW = 0.40............................................................ 5 5. Two pairs of dorsal stemmata very large (Figs 1, 16); PMP/LP1 <0.40; MP/LP = 0.80; Afrotropical......... Aethionectes - Two pairs of dorsal stemmata smaller (cf., Fig. 15 in Alarie et al. 2023b); PMP/LP1> 0.60; MP/LP = 0.60; Oriental and Australian................................................................................ Sandracottus
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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 | 0.003 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.055 | 0.014 |
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".