Impact of temperature on the bionomics and geographical range margins of the two-spotted field cricket Gryllus bimaculatus in the world: Implications for its mass farming

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dc.contributor.authorMagara, Henlay J. O
dc.contributor.authorTanga, Chrysantus M
dc.contributor.authorFisher, Brian L
dc.contributor.authorAzrag, Abdelmutalab G. A
dc.contributor.authorNiassy, Saliou
dc.contributor.authorEgonyu, James P
dc.contributor.authorHugel, Sylvain
dc.contributor.authorRoos, Nana
dc.contributor.authorAyieko, Monica A
dc.contributor.authorSevgan, Subramanian
dc.contributor.authorEkesi, Sunday
dc.date.accessioned2024-05-07T09:37:57Z
dc.date.available2024-05-07T09:37:57Z
dc.date.issued2024-04
dc.description.abstractGryllus bimaculatus (Orthoptera: Gryllidae) is widely considered an excellent nutrient source for food and feed. Despite its economic importance, there is limited information on the impact of temperature on the bionomics of this cricket to guide its effective and sustainable mass production in its geographical range. The biological parameters of G . bimaculatus were investigated at eight different temperatures ranging from 20–40˚C. The Insect Life-Cycle Modelling (ILCYM) program was used to fit linear and non-linear functions to the data to describe the influence of temperature on life history parameters and its farmability under the current and projected climate for 2050. Our results revealed that G . bimaculatus was able to complete its lifecycle in the temperature range of 20°C to 37°C with a maximum finite rate of population increase (= 1.14) at 35°C. The developmental time of G . bimaculatus decreased with increasing temperature. The least developmental time and mortality were attained at 32°C. The highest wet length and mass of G . bimaculatus occurred at 32°C. The lowest temperature threshold for G . bimaculatus egg and nymph development was approximated using linear regression functions to be at 15.9°C and 16.2°C with a temperature constant of 108.7 and 555.6 degree days. The maximum fecundity (2301.98 eggs per female), net reproductive rate (988.42 daughters/ generation), and intrinsic rate of natural increase (0.134 days) were recorded at 32°C and the shortest doubling of 5.2 days was observed at 35°C. Based on our findings G . bimaculatus can be farmed in countries with temperatures ranging between 20 and 37°C around the globe. These findings will help the cricket farmers understand and project the cricket population dynamics around the world as influenced by temperature, and as such, will contribute to more efficient farming.en_US
dc.description.sponsorshipThe authors gratefully acknowledge the financial support for this research by the following organizations and agencies: Danish International Development Agency (DANIDA), Ministry of Foreign Affairs of Denmark, through the HEALTHYNSECT (Insect farming for Health and Livelihood) (Grant Number: 19-08-KU), Australian Centre for International Agricultural Research (ACIAR) (ProteinAfrica grant no: LS/2020/154), the Rockefeller Foundation (WAVE-IN—Grant No: 2021 FOD 030); Bill & Melinda Gates Foundation (INV-032416); the Curt Bergfors Foundation Food Planet Prize Award; Norwegian Agency for Development Cooperation, the Section for research, innovation, and higher education grant number RAF–3058 KEN–18/0005 (CAP–Africa); Horizon Europe (NESTLER—Project: 101060762—HORIZON-CL6-2021- FARM2FORK-01), IKEA Foundation (G-2204-02144), the Norwegian Agency for Development Cooperation, (NORAD) (Grant No SAF-21/0004.), Novo Nordisk Foundation (RefIPro: NNF22SA0078466), the Swedish International Development Cooperation Agency (Sida); the Swiss Agency for Development and Cooperation (SDC); the Australian Centre for International Agricultural Research (ACIAR); the Federal Democratic Republic of Ethiopia and the Government of the Republic of Kenya. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. The views expressed herein do not necessarily reflect the official opinion of the donors.en_US
dc.identifier.citationMagara, Henlay J. O., Chrysantus M. Tanga, Brian L. Fisher, et al. 'Impact of Temperature on the Bionomics and Geographical Range Margins of the Two-Spotted Field Cricket Gryllus Bimaculatus in the World: Implications for its Mass Farming', PloS One, vol. 19/no. 4, (2024), .en_US
dc.identifier.issnISSN 1932-6203
dc.identifier.issnEISSN 1932-6203
dc.identifier.urihttps://nru.uncst.go.ug/handle/123456789/9517
dc.language.isoenen_US
dc.publisherPublic Library of Scienceen_US
dc.subjectCrickets; Eggs; Nymphs; Insects; Agriculture; Fecundity; Death rates; Polynomialsen_US
dc.titleImpact of temperature on the bionomics and geographical range margins of the two-spotted field cricket Gryllus bimaculatus in the world: Implications for its mass farmingen_US
dc.typeArticleen_US
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