Phylogenetic placement of North American subterranean diving beetles (Insecta: Coleopera: Dytiscidae)
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Bibliographic record
Abstract
A phylogenetic analysis of Hydroporinae (Coleoptera; Dytiscidae) is conducted with emphasis on placement of the North American subterranean diving beetles Psychopomporus felipi Jean, Telles & Miller, Ereboporus naturaconservatus Miller, Gibson & Alarie, and Haedeoporus texanus Young & Longley. Analyses include 49 species of Hydroporinae, representing each currently recognized tribe except Carabhydrini Watts. Data include 21 characters from adult morphology and sequences from seven genes, 12S rRNA, 16S rRNA, cytochrome c oxidase I, cytrochrome c oxidase II, histone III, elongation factor Iα, and wingless. The combined data were analyzed using parsimony and mixed-model Bayesian tree estimation, and the combined molecular data were analyzed using maximum likelihood. Less inclusive branches (genera, genus-groups, and tribes) are well-supported under each criterion, but relationships among tribes are not. These branches are short, poorly supported and in conflict among the estimation methods. Because of certain anomalous relationships in the parsimony and likelihood results, and greater consistency of the Bayesian results with morphological data, this is our preferred phylogenetic estimate. Haedeoporus Young & Longley is related to Neoporus Guignot, Heterosternuta Guignot, and other members of the Hydroporus-group of genera of Hydroporini sensu lato. Psychopomporus Jean, Telles & Miller and Ereboporus Miller, Gibson & Alarie are nested within the Graptodytes-group of genera of Hydroporini sensu lato, and are the only North American members of this otherwise Mediterranean group. Congruent results between optimality criteria indicate that Hydroporini sensu lato is conspicuously non-monophyletic.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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 it