Growth, development, and life history of a mass-reared edible insect, <i>Gryllodes sigillatus</i> (Orthoptera: Gryllidae)
Bibliographic record
Abstract
Edible insects offer a viable alternative protein source to help meet the protein demands of a growing population. Optimizing insect mass-rearing for food and feed production depends on an understanding of insect life history. However, supporting data on growth, development, and reproduction from hatch to adulthood is often not available for many farmed insects, such as the decorated cricket (Gryllodes sigillatus Walk.). Here, we describe the life history of G. sigillatus from hatch to adulthood at 30 °C for traits relevant for mass-rearing and colony management. Female crickets first reached adulthood after 29 d and weighed 292.0 mg ± 74.09 mg, and male crickets first reached adulthood after 35 d and weighed 200.96 mg ± 34.51 mg. Crickets had 7 nymphal instars most characterizable by head width. Sex was identified by the development of ovipositors in females, and wings in both sexes. Crickets oviposited 56.74 ± 31.77 eggs every 48 h over 30 d and eggs hatched after 10.6 ± 0.5 d. This information provides the foundation to start and manage a cricket colony, to conduct research on life history and performance, and to facilitate practitioners to make informed decisions about rearing practices or identify arising issues. We highlight ways that a fundamental understanding of cricket biology can be informative for optimizing cricket growth, reducing variability in yield, and informing future precision farming practices.
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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 | 0.000 |
| 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 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".