Costa Rican species of<i>Nematoctonus</i>(anamorphic Pleurotaceae)
Bibliographic record
Abstract
Nematoctonus (Hyphomycetes) and Hohenbuehelia (Agaricales, Pleurotaceae) are the names for the asexual and sexual stages of a genus of nematode-destroying fungi (Basidiomycota). Six morphospecies of Nematoctonus, all previously described, were isolated from fruiting bodies of Hohenbuehelia and from 439 samples of soil and organic debris collected in all 12 Holdridge life zones in Costa Rica. Nematoctonus was recorded in all but three life zones at the lowest and highest altitudes: tropical dry forest, tropical moist forest, and subalpine rain paramó. Isolates of Nematoctonus were identified by the micromorphology of their conidia and adhesive knobs, which are usually an hourglass-shaped secretory cell surrounded by a drop of mucilage. Adhesive knobs were found either exclusively on hyphae in predatory species ( Nematoctonus robustus F.R. Jones), exclusively on germinated conidia in parasitoid species ( Nematoctonus leptosporus Drechsler, Nematoctonus pachysporus Drechsler, and Nematoctonus tylosporus Drechsler) or on both hyphae and germinated conidia in a group we term “intermediate predators” ( Nematoctonus angustatus Thorn & G.L. Barron, Nematoctonus geogenius Thorn & G.L. Barron, and one monokaryotic isolate of N. robustus). Teleomorph–anamorph connections, made by culturing the anamorph from a teleomorph fruiting body, were made for N. angustatus (Hohenbuehelia angustata (Berk.) Singer), N. geogenius (Hohenbuehelia petalodes (Fr.) Schulz.), N. leptosporus (an unidentified Hohenbuehelia), and N. robustus ( Hohenbuehelia grisea (Peck) Singer).
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How this classification was reachedexpand
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) | 0.000 | 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) | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".