Development characteristics of the box‐tree moth <i><scp>C</scp>ydalima perspectalis</i> and its potential distribution in <scp>E</scp>urope
Why this work is in the frame
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Bibliographic record
Abstract
Abstract The box‐tree moth C ydalima perspectalis ( W alker) is an invasive pest causing severe damage to box trees ( B uxus spp.). It is native to J apan, K orea and C hina, but established populations have been recorded in a number of locations across E urope since 2007 and the spread of the insect continues. The developmental investigations suggest that larvae overwinter mainly in their 3rd instar in E urope and that diapause is induced by a day length of about 13.5 h. One and a half to 2 months in the cold are necessary to terminate diapause. Threshold temperatures for development and number of degree‐days to complete a generation are slightly different from those calculated in previous studies in J apan. A bioclimatic ( CLIMEX ® ) model for C. perspectalis in E urope was developed, based on climate, ecological and developmental parameters from the literature and new field and laboratory studies on diapause termination, thermal requirements and phenology. The model was then validated with actual distribution records and phenology data. The current distribution and life history of C . perspectalis in E urope were consistent with the predicted distribution. The climate model suggests that C . perspectalis is likely to continue its spread across E urope, except for N orthern F enno‐ S candinavia, N orthern S cotland and high mountain regions. The northern distribution of C . perspectalis is expected to be limited by a number of degree‐days above the temperature threshold insufficient to complete a generation, whereas its southern range is limited by the absence of a cold period necessary to resume diapause. The model predicts relatively high E coclimatic I ndices throughout most of E urope, suggesting that the insect has the potential of becoming a pest in most of its predicted range. However, damage is likely to be higher in S outhern and C entral E urope where the moth is able to complete at least two generations per year.
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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 | 0.000 |
| 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