Bibliographic record
Abstract
Genus Trachyscelida Horn, 1893 Trachyscelida Horn, 1893: 107 (type species Agelastica bicolor LeConte, 1884, by monotypy). Racenisa Bechyné, 1958: 604 (type species Racenisa venezuelensis Bechyné, 1958, by original designation). Remarks This genus contains seven described species. They occur from the United States (Arizona) through much of South America. See Fig. 115 for a habitus illustration. See Bechyné (1958) for a key that includes most of the species. Agelastica bicolor LeConte, 1884, and Racenisa bicolor Bechyné, 1958, are both currently included in Trachyscelida. We here propose Trachyscelida dichroma nom. nov., as a replacement name for R. bicolor Bechyné, 1958. The Palearctic species Agelastica alni (Linnaeus, 1758), belonging to the tribe Hylaspini Chapuis, 1875, has been reported from eastern Canada and the northeastern United States, but this species is not thought to be established in North America (Riley et al. 2003). Since Agelastica Chevrolat, 1836 probably does not occur on the American continents, we have excluded this genus from the following key. However, if specimens were to be discovered, they would key to couplet 134, along with Trachyscelida, which shares a similar, broadly ovate body form. The two genera are easily distinguished by the pronotal color, that of Agelastica being concolorous with the dark elytra, while that of Trachyscelida is pale, strongly contrasting with the dark elytra.
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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) | 0.000 | 0.000 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.026 | 0.005 |
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".