Pest categorisation of non‐EU Pissodes spp.
Bibliographic record
Abstract
The Panel on Plant Health performed a pest categorisation of the non-EU Pissodes spp.(Coleoptera: Curculionidae).They constitute a well-defined taxon, with non-EU species distributed in the USA, Canada, Mexico, Guatemala, El Salvador, China, Japan, Korea, Russia and South Africa, some of which are recognised as severe pests of conifers, mainly Pinus spp.and Picea spp., or vector pathogens.The immature stages either live in the phloem and cambium of healthy, weakened or dead trees, or in the terminal shoots of living trees.They are listed as quarantine pests in Annex IAI of Directive 2000/29/EC.Plants for planting, branches of conifers and non-squared wood are considered as pathways.The pest can also disperse by hitchhiking, and fly over kilometres.The adults are long-lived (up to 4 years).They feed by puncturing the bark of stems or shoots.Females lay eggs in chewed-out cavities in the bark.The life cycle varies with species and local climatic conditions.At the end of the larval stage, the larva excavates a pupal cell between the sapwood and the bark, in the sapwood or in terminal shoots.Pissodes spp.overwinter as adults in the litter or as larvae or teneral adults in the galleries or pupal cells.The current geographic range of the non-European Pissodes spp.suggests that many of them may establish in the EU territory, where their hosts are widely present.We list some species which, if introduced to the EU, would most probably have an economic impact on plantations or may interfere with forest ecosystem processes although they are mainly abundant and damaging in intensively managed monocultures.All criteria for considering those non-EU Pissodes spp. as potential quarantine pests are met.The criteria for considering them as non-regulated quarantine pests are not met because they are absent from the EU territory.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.002 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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".