Demographic characteristics of Paracoccus marginatus on papaya fruit and potato tubers with an innovative method for efficient application of the multinomial theorem in demographic research
Ling-Hong Lin, Meng-Zhu Shi, Hsin Chi, Ali Güncan, Mehmet Salih Özgökçe, Remzi Atlihan, Jian-Yu Li, Li-Zhen Zheng, Elahe Rostami, Jian-Wei Fu
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Abstract
The life table data of Paracoccus marginatus Williams and Granara de Willink reared on potato tubers and papaya fruit were collected and analyzed using the age-stage, two-sex life table. The preadult survival rate (sa = 0.61) and female adult longevity (28.6 d) on papaya fruit were significantly higher than in individuals reared on potato tubers (sa = 0.38 and 18.8 d). The female adult longevity was significantly longer than it was in male adults on both hosts. The net reproductive rate (R 0 = 206.72 offspring/individual), intrinsic rate of increase (r = 0.1745 d-1) and finite rate of increase (λ = 1.1912 d-1) of P. marginatus were significantly higher on papaya fruit than they were on potato tubers (R 0 = 37.29 offspring/individual, r = 0.1138 d-1, λ = 1.1221 d-1). Population projection indicated that the total population size of P. marginatus on papaya fruit could reach 146,826 individuals after 60 days, while the total population size of P. marginatus on potato tubers would only be 3,619 individuals. This study showed that P. marginatus had a higher fitness on papaya fruit than on potato tubers. We also discuss an innovative method for applying the multinomial theorem in demographic analysis based on the multinomial coefficients and individual compositions. To facilitate the application of the multinomial theorem in life table research including both fertile and infertile bootstrap samples, we calculated the exact multinomial coefficients for all possible individual compositions. A file for a sample size of 15 individuals (file size 4.07 GB) is made available for public access at DOI: 10.5281/zenodo.11257789.
期刊介绍：
Its scope covers all aspects of basic and applied research dealing with insects and more broadly with arthropods inhabiting wild, agricultural and/or urban habitats. The journal also considers research integrating various disciplines and issues within the broad field of entomology and ecology.
Entomologia Generalis publishes high quality research articles on advances in knowledge on the ecology and biology of arthropods, as well as on their importance for key ecosystems services, e.g. as biological control and pollination. The journal devotes special attention to contributions providing significant advances (i) on the fundamental knowledge and on sustainable control strategies of arthropod pests (including of stored products) and vectors of diseases, (ii) on the biology and ecology of beneficial arthropods, (iii) on the spread and impact of invasive pests, and (iv) on potential side effects of pest management methods.
Entomologia Generalis welcomes review articles on significant developments in the field of entomology. These are usually invited by the editorial board, but proposals may be sent to the Editor-in-Chief for preliminary assessment by the editorial board before formal submission to the journal. The journal also considers comments on papers published in Entomologia Generalis, as well as short notes on topics that are of broader interest.
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