Katydids and Bush-Crickets: Reproductive Behavior and Evolution of the Tettigoniidae
Bibliographic record
Abstract
Darryl T. Gwynne Cornell University Press, Ithaca, New York 2001, 317 pages, $42.50, cloth, ISBN 0-8014-3655-9 Our appreciation of biological diversity owes much to the collective efforts of a special cadre of scientists who become thoroughly captivated by particular organisms, recognize those central issues that can be studied with greatest precision in their favorite species, and enthusiastically advertise their findings to the biological community. The Canadian behavioral ecologist Darryl Gwynne is among this breed, and his efforts have put katydids (bush-crickets, should you reside outside the Western Hemisphere) on the behavioral ecology and evolution map. True, by mid 20th century, katydids (Tettigoniidae) had already acquired some status in the natural history of North America through their mating songs, especially the variable syllables sung by Pterophylla camellifolia (true katydid). In addition, entomologists were becoming aware of the importance of these songs in species recognition, sexual advertisement, and male rivalry. But it was Darryl Gwynne’s studies of mating systems in North American and Australian tettigoniids over the past 20 years – which have taught us so much about the evolution of courtship behavior and how ecological factors may influence the roles assumed by the sexes – that earned this family a central place in biology. These landmark studies, accompanied by concise reviews of the evolution, anatomy, physiology, and ecology of tettigoniids, are now presented in an eminently readable book, “Katydids and bush-crickets: reproductive behavior and evolution of the Tettigoniidae” (D.T. Gwynne, 2001, Cornell Univ. Press, 317 pp.).
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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) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.003 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.013 | 0.002 |
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".