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Open research questions in Insect Utilization and Effects

33 unresolved questions extracted from the limitations and future-work sections of 214 Insect Utilization and Effects papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • Introduction Yellow wine lees (YWL) are a nutrient-rich by-product of yellow wine brewing and have potential as a feed substrate for black soldier fly larvae (BSFL, Hermetia illucens ); however, their effects on larval growth, nutrient composition, and gut microbiota remain unclear.

    Effects of feeding black soldier fly larvae with yellow wine lees on growth performance, nutrient composition, and gut microbiota · 2026 · DOI

  • Black soldier fly larvae (BSFL) are generalist decomposers with promise for converting agricultural and food-processing by-products into value-added bioproducts, but BSFL performance on lipid-rich waste oil streams and the role of the gut microbiome in this process remains unclear.

    Waste oil substrates reshape the black soldier fly larval gut microbiome and biomass composition during bioconversion · 2026 · DOI

  • 6.1 Study limitations Key limitations include reliance on self-reported practices that may introduce recall or reporting bias for seasonal availability. Extended fieldwork may introduce temporal variability related to seasonality, market availability, and environmental conditions, standardized data collection tools and laboratory procedures were consistently applied throughout the study period to improve com- parability across regions. Microbial analyses were culture-based, conducted on insect species found on the market during the sam- pling period, which may not capture the full diversity of practices and extended storage across all ecological zones and seasons. Molecular detection methods and detailed climate and cultural comparative analysis were beyond the scope of this work and may be explored in future studies to complement climate variability and food safety assessment. 6.2 Future research Future research should integrate microbiological outcomes with physicochemical parameters, including moisture content, water activity, and pH, to generate predictive shelf-life models for traditionally processed insects. The findings will be essential for supporting commercialization and regional trade under harmo- nized standards.

    Indigenous knowledge systems and practices in harvesting, processing, preservation, and microbial safety of edible insects in Tanzania · 2026 · DOI

  • Corn is a staple food in Bui Division we recommend that more attention be paid to storage facilities to avoid post-harvest losses. Hermetic storage facilities should be constructed for storage as they provide good storage conditions which hinder conditions that cause spoilage in corn and keeping the corn intact. Furthermore, the shelling or dehusking of corn before storage in open air should be discouraged as it exposes the corn to dust, microorganisms and rodents.

    The Effects of Local Preservation Methods on the Nutritional Content of Yellow Corn (Zea Mays) in Bamngam Village, Bui Division, Cameroon · 2026 · DOI

  • The transition of insect-based bioconversion from controlled laboratory models to scaled biomanufacturing encounters substantial technical, regulatory, and socio-cultural barriers. While biological and engineering the commercial deployment of transgenic insect bioreactors remains a long-term research trajectory.

    Circular Biomanufacturing of Non-Grain Feeds: Synergizing Microbial Fermentation and Insect Bioreactors for Animal Health · 2026 · DOI

  • Tapping and rubbing can function as a form of tactile stim- ulation of the female body to increase female receptivity and can also be involved in tasting the partner’s cuticular hydrocarbons (CHC) with the gustatory sensilla (potential sexual dimorphism in CHC is an interesting aspect so far not investigated in BSF). The wing vibration produced by males (so far not investigated in BSF) during this pecu- liar behaviour could be another important mating signal for the female, as observed in the typical mating dance of Drosophila (review in Dickson 2008).

    Attachment ability and mating behaviour of the black soldier fly Hermetia illucens (Diptera: Stratiomyidae) · 2026 · DOI

  • WBC count was comparable between casein and O. lateritius diets with the inference of improved immunity, but specific T-cell and B-cell populations, antibody titers, and challenge testing against pathogenic infection were not performed to validate the immunoprotective potential of edible termite flour supplementation.

    Protein quality of flour from different species of edible winged termites and the effect of termite flour-supplemented diets on hematological plus biochemical indices of rats · 2026 · DOI

  • The study evaluated hematological and biochemical indices in rats fed termite-supplemented diets but did not assess potential species-specific antinutritional factors (tannins, phytates, protease inhibitors) in M. bellicosus, P. spriniger, and O. lateritius that may affect nutrient availability and long-term organ function.

    Protein quality of flour from different species of edible winged termites and the effect of termite flour-supplemented diets on hematological plus biochemical indices of rats · 2026 · DOI

  • Packed cell volume (PCV) and hemoglobin concentrations were measured but the underlying iron, vitamin B12, and folate bioavailability from termite flour relative to casein was not assessed, limiting understanding of whether edible termite species provide superior micronutrient absorption for hematopoiesis.

    Protein quality of flour from different species of edible winged termites and the effect of termite flour-supplemented diets on hematological plus biochemical indices of rats · 2026 · DOI

  • The paper reports correlations between food intake, weight gain, and relative kidney/liver organ weights in M. bellicosus and P. spriniger-fed rats, but the mechanistic basis for organomegaly (whether compensatory hypertrophy, lipid accumulation, or protein deposition) was not histologically examined.

    Protein quality of flour from different species of edible winged termites and the effect of termite flour-supplemented diets on hematological plus biochemical indices of rats · 2026 · DOI

  • The study found lower AST values in M. bellicosus, P. spriniger, and O. lateritius diets attributed to superior protein quality indices, but the specific amino acid composition (essential amino acids, PDCAAS scores) of these three termite species was not directly compared to explain differential liver enzyme responses.

    Protein quality of flour from different species of edible winged termites and the effect of termite flour-supplemented diets on hematological plus biochemical indices of rats · 2026 · DOI

  • While eosinophil levels were significantly elevated in all termite-supplemented diets compared to casein and basal diets, the immunological mechanism driving this eosinophilia in response to specific amino acid profiles or bioactive compounds in edible winged termite flour was not investigated.

    Protein quality of flour from different species of edible winged termites and the effect of termite flour-supplemented diets on hematological plus biochemical indices of rats · 2026 · DOI

  • The study examined termite flour supplementation at only 10% inclusion level in rat diets; the dose-response relationship and potential toxicity or nutritional benefits at higher inclusion levels (15-30%) of M. bellicosus, P. spriniger, and O. lateritius flour remain uncharacterized.

    Protein quality of flour from different species of edible winged termites and the effect of termite flour-supplemented diets on hematological plus biochemical indices of rats · 2026 · DOI

  • No economic cost-benefit analysis comparing dried mealworm meal at 10-20% inclusion against conventional soybean meal-based diets was provided; production cost, feed price, and profitability calculations are essential to evaluate commercial viability in poultry operations.

    Effect of Dietary Dried Mealworm Inclusion as Replacement of Soybean Meal on Growth Performance, Nutrient Digestibility, and Fatty Acid Profile of Broilers · 2026 · DOI

  • Palatability and feed acceptance were assessed qualitatively ('no negative effects noted') without quantitative data on feed intake rates, preference trials, or sensory analysis across mealworm inclusion levels; objective palatability metrics would validate the claim of safe incorporation up to 20%.

    Effect of Dietary Dried Mealworm Inclusion as Replacement of Soybean Meal on Growth Performance, Nutrient Digestibility, and Fatty Acid Profile of Broilers · 2026 · DOI

  • The study did not assess the impact of dried mealworm meal on immune function markers (antibody titers, lymphocyte proliferation, cytokine expression) despite discussing immune regulation benefits of elevated omega-3 and omega-6 fatty acids; immunological validation would strengthen health claims.

    Effect of Dietary Dried Mealworm Inclusion as Replacement of Soybean Meal on Growth Performance, Nutrient Digestibility, and Fatty Acid Profile of Broilers · 2026 · DOI

  • The study did not measure amino acid bioavailability or ileal digestibility coefficients for specific amino acids (methionine, lysine, threonine) in the dried mealworm-supplemented diets; this data would substantiate claims regarding the 'balanced amino acid profile' and 'high biological value' of mealworm protein.

    Effect of Dietary Dried Mealworm Inclusion as Replacement of Soybean Meal on Growth Performance, Nutrient Digestibility, and Fatty Acid Profile of Broilers · 2026 · DOI

  • Blood fatty acid profiles were measured only at day 42 of the broiler production cycle; temporal analysis of omega-3 and omega-6 fatty acid dynamics across earlier developmental stages (days 7, 14, 21, 35) would clarify the kinetics of dietary mealworm lipid incorporation and metabolic responses.

    Effect of Dietary Dried Mealworm Inclusion as Replacement of Soybean Meal on Growth Performance, Nutrient Digestibility, and Fatty Acid Profile of Broilers · 2026 · DOI

  • It remains to be determined what is the specific metabolic function of nitrogen in this differentiation, and how general may be the role of nitrogen in controlling the process of sexual differentiation in plants. " * Cells are momentarily exposed to dim light in making transfers; the possibility of some effect due to such short exposures to light has not been examined.

    NUTRITIONAL STUDIES WITH <i>CHLAMYDOMONAS REINHARDI</i> · 1953 · DOI

  • Abstract There has been limited information when it comes to understanding the nutritional intake and distribution of vitamins in insects.

    Intake regulation of vitamins C, B1, and B3 in the eastern subterranean termites, <i>Reticulitermes flavipes</i> (Blattodea: Heterotermitidae) · 2026 · DOI

  • However, optimized diets are still lacking for the hosts of parasitoids used in the biological control of stored product pests, such as Piophila casei Linnaeus (Diptera: Piophilidae).

    Comparative Study of Laboratory Diets for <i>Piophila casei</i> : Beneficial Effects of Infant Formula Supplementation · 2026 · DOI

  • The study revealed that the majority of youth had limited knowledge about consumption, nutrition, harvesting, preparation and use of edible insects as livestock feed.

    Youth Knowledge on the Utilization of Edible Insects as Food and Feed · 2023 · DOI

  • Abstract The nutritional and commercial potential of the edible grasshopper ( Ruspolia nitidula , nsenene in Luganda ), a delicacy in Uganda and many East African tribes, is limited by a short shelf life and unverified nutritional value.

    Nutritional composition, quality, and shelf stability of processed <i>Ruspolia nitidula</i> (edible grasshoppers) · 2016 · DOI

  • Both developmental nutrition and adult nutrition affect life-history traits; however, little is known about whether the effect of developmental nutrition depends on the adult environment experienced.

    The effect of developmental nutrition on life span and fecundity depends on the adult reproductive environment in <i><scp>D</scp>rosophila melanogaster</i> · 2015 · DOI

  • Digestible proportions have not been determined, but even at a return rate well below the experimental value, optimality models suggest hopper collection should be favored over all other collected resources.

    Hunting Hoppers · 1988 · DOI

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33 open questions have been extracted from the limitations and future-work passages of 214 Insect Utilization and Effects papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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