Development and reproduction of Scirtothrips dorsalis (Thysanoptera: Thripidae) on six host plant species

Author:

Cao Yu1ORCID,Yang Yuping1,Wang Chun1,Li Min1,Chen Ling1,Xie Hua1,Wang Lijuan1,Reitz Stuart R2ORCID,Li Can1ORCID

Affiliation:

1. Key Laboratory of Surveillance and Management of Invasive Alien Species in Guizhou Education Department, Guizhou Provincial Key Laboratory for Rare Animal and Economic Insect of the Mountainous Region, Department of Biology and Engineering of Environment, Guiyang University , Guiyang , China

2. Department of Crop and Soil Sciences, Malheur Experiment Station, Oregon State University , Ontario, OR , USA

Abstract

Abstract Host plants can strongly influence the population performance of insects. Here, we investigated the development, survival, and oviposition of Scirtothrips dorsalis Hood on 6 host plants—Camellia sinensis ( L.) Kuntze (Ericales: Theaceae), Rosa chinensis Jacq. (Rosales: Rosaceae), Capsicum annuum L. (Solanales: Solanaceae), Eustoma grandiflorum (Hook.) G.Don (Gentianales: Gentianaceae), Glycine max (L.) Merr. (Fabales: Fabaceae), and Cucumis sativus L. (Cucurbitales: Cucurbitaceae), and constructed life tables for S. dorsalis on each plant. Significant differences in S. dorsalis development on the host species were observed. The mean developmental period from egg to adult was 11.45 ± 0.12 days, 11.24 ± 0.13 days, 12.08 ± 0.15 days, 12.28 ± 0.12 days, 12.67 ± 0.10 days, and 13.03 ± 0.11 days on C. sinensis, R. chinensis, C. annuum, E. grandiflorum, G. max, and C. sativus, respectively. Significant differences in survival of S. dorsalis were observed, namely, C. sinensis ≈ R. chinensis > E. grandiflorum ≈ C. annuum > G. max > C. sativus. The highest and lowest fecundities of S. dorsalis were recorded on R. chinensis (60.44 ± 1.53) and C. sativus (28.64 ± 1.02), respectively. Both of the net reproductive rate (R0) and intrinsic rate of increase (rm) of S. dorsalis were the highest on R. chinensis, with the values of 27.63 ± 0.58 and 0.142 ± 0.002, respectively; while the lowest on C. sativus, with the values of 8.81 ± 0.12 and 0.092 ± 0.003, respectively. Thus, R. chinensis was found to be the most suitable host, but C. sativus was the least suitable, for population development of S. dorsalis. Our results provide important information for the key control of S. dorsalis among different host plants.

Funder

National Natural Science Foundation of China

Training Project for High-Level Innovative Talent in Guizhou Province

Key Project of the Natural Science Foundation of Guizhou Province

Key Laboratory of Surveillance and Management for Alien Invasive Species in Guizhou Province

scientific research funds of Guiyang University

Publisher

Oxford University Press (OUP)

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