Opportunistic exploitation of turtle eggs by Tripanurga importuna (Walker) (Diptera: Sarcophagidae)
Bibliographic record
Abstract
Tripanurga importuna (Walker, 1849) is a sarcophagid fly whose larvae often occur in nests of freshwater turtles. We investigated this sarcophagid fly to determine whether it is an opportunistic scavenger or a potential predator of eggs, embryos, and hatchlings of the spiny softshell turtle ( Apalone spinifera (Lesueur, 1827)). Fly infestation of spiny softshell turtle nests can occur at any time between oviposition and hatching, but estimates based on larval size and development time, along with observations of adult fly activity, suggest that female sarcophagids deposit larvae over the nest primarily during hatching. Observed temperature variance within the turtle clutch mass and physiological and developmental differences among eggs may result in asynchronous hatching, and chemical cues associated with early hatching may attract adult flies. Egg position within the nest affects embryo hatching success independently of fly infestation while also affecting fly infestation. Tripanurga importuna is a habitat specialist able to find and develop in carrion buried in sand, but it is a food opportunist able to develop on other buried carrion as well as turtle eggs. Tripanurga importuna maggots in turtle nests preferentially scavenge necrotic tissue, including damaged turtle eggs, but will opportunistically prey upon live embryos and hatchlings under some circumstances.
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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".