The influence of temperature and photoperiod on the reproductive diapause and cold tolerance of spotted‐wing drosophila, <i><scp>D</scp>rosophila suzukii</i>
Why this work is in the frame
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Bibliographic record
Abstract
Abstract Knowledge regarding the reproductive status of spotted‐wing drosophila, D rosophila suzukii ( M atsumura) ( D iptera: D rosophilidae), is of critical importance in predicting potential infestations of this invasive pest, as eggs are laid in ripe or ripening fruit of several commercially important small‐fruit crops. Token environmental stimuli for the induction of reproductive diapause and improved cold tolerance were identified for D . suzukii . Diapause induction was evaluated by assessing, via dissection, the number of mature eggs carried by field‐captured D . suzukii and laboratory‐reared D . suzukii held under various temperature and photoperiod regimes. Egg load decreased over time in females trapped from July to December at sites in Benton County, OR , and Ontario County, NY , both USA , and reached zero eggs by December at all sites. Photoperiods below 14 h of day length led to reduced egg maturation in laboratory‐reared flies held at moderate temperatures (15 or 20 °C). Whereas very few mature eggs were found in females held at 10 °C under short‐ or long‐day photoperiods for several weeks after eclosion, a spontaneous return to ovarian maturity was observed in short‐day‐entrained females after 7 weeks. Diapause termination was investigated by evaluating fecundity in diapausing females returned to optimal environmental conditions. Whereas long‐day‐entrained flies began producing offspring immediately upon return to optimal conditions, short‐day‐entrained flies returned after 1 and 6 weeks at 10 °C were slower to produce offspring than colony flies or short‐day‐entrained flies returned after 7 weeks. Cold tolerance was evaluated by observing chill coma recovery rates after 24 h exposure to −1 °C. Cold‐acclimated (diapausing) females recovered from chill coma faster than cold‐hardened or unacclimated females.
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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) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| 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