Research Article

Functional response and egg production of a native Typhlodromus recki Wainstein, 1958 (Acari: Phytoseiidae) population to Tetranychus urticae Koch, 1836 (Acari: Tetranychidae)

Volume: 45 Number: 3 September 1, 2021
TR EN

Functional response and egg production of a native Typhlodromus recki Wainstein, 1958 (Acari: Phytoseiidae) population to Tetranychus urticae Koch, 1836 (Acari: Tetranychidae)

Abstract

In this study, which was conducted to determine predation potential of Typhlodromus recki Wainstein, 1958 (Acari: Phytoseiidae) at Ege University, Faculty of Agriculture, Department of Plant Protection in 2018-2019. Functional response and egg production of the predatory mite, T. recki fed on different biological stages (egg, larva, protonymph, deutonymph and adult male) of the two-spotted spider mite (green form), Tetranychus urticae Koch, 1836 (Acari: Tetranychidae) were studied under laboratory conditions (25±1°C, 60±10% RH and 16:8 h L:D photoperiod). In the experiments, seven prey densities (2, 4, 8, 16, 32, 64 and 128) for each biological stage of the prey were offered daily to the predatory mite. The results of logistic regression analysis indicated that T. recki had a Type II functional response on each developmental stage of its prey according to Holling’s models. The attack rate (α) and the handling time (Th) varied based on the biological stages of the prey. The highest α and the lowest Th values were determined as 1.035 and 0.001 when the predator fed on larvae and eggs of its prey, respectively. The highest average daily mean number of the eggs consumed by T. recki was 111 at 128 prey densities. The highest average daily mean number of eggs deposited by the predator were found to be 1.05 when it fed on the eight-prey density of T. urticae protonymphs. In addition, the lowest average daily mean number of eggs deposited by the predator was 0.15 when fed on the two-prey density with T. urticae adult males. The study indicates that T. recki could be effective and promising biological control agent for T. urticae.

Keywords

Supporting Institution

Scientific and Technological Research Council of Turkey-TUBITAK

Project Number

111O666

Thanks

This study was supported by the Scientific and Technological Research Council of Turkey (TUBITAK-Project Number: 118O666). I am grateful to Dr. Ibrahim Cakmak (Aydın Adnan Menderes University, Faculty of Agriculture, Department of Plant Protection, Aydın, Turkey) and Dr. İsmail Döker (Çukurova University, Faculty of Agriculture, Department of Plant Protection, Adana, Turkey) for data analyses and editing the manuscript.

References

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Details

Primary Language

English

Subjects

-

Journal Section

Research Article

Publication Date

September 1, 2021

Submission Date

July 6, 2021

Acceptance Date

July 29, 2021

Published in Issue

Year 2021 Volume: 45 Number: 3

APA
Ersin, F. (2021). Functional response and egg production of a native Typhlodromus recki Wainstein, 1958 (Acari: Phytoseiidae) population to Tetranychus urticae Koch, 1836 (Acari: Tetranychidae). Turkish Journal of Entomology, 45(3), 331-341. https://doi.org/10.16970/entoted.963283