Predation and preference of Nesidiocoris tenuis for three vegetable insect pests

doi:10.3969/j.issn.1004-1524.20240400

Acta Agriculturae Zhejiangensis ›› 2025, Vol. 37 ›› Issue (5): 1082-1086.DOI: 10.3969/j.issn.1004-1524.20240400

• Plant Protection • Previous Articles Next Articles

Predation and preference of Nesidiocoris tenuis for three vegetable insect pests

HOU Qihua¹(), SHANG Yingjie¹, WANG Sudan¹, LIU Yinquan¹^,^*(), CHEN Rui²^,^*()

1. Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Ministry of Agriculture and Rural Affairs, Zhejiang Key Laboratory of Biology and Ecological Regulation of Crop Pathogens and Insects, Zhejiang Engineering Research Center for Biological Control of Crop Pathogens and Insect Pests, Institute of Insect Sciences, Zhejiang University, Hangzhou 310058, China
2. Hangzhou Agricultural Technology Extension Center(Hangzhou Plant Protection Plant Inspection Center), Hangzhou 310020,China

Received:2024-05-03 Online:2025-05-25 Published:2025-06-11

Abstract

Abstract:

To explore the control potential of the mirid bug Nesidiocoris tenuis in vegetable pest management, the predation and preference of N. tenuis to three vegetable insect pests were tested via non-choice and choice experiments in the laboratory. The non-choice experiments showed that the predation of N. tenuis male adults on Bemisia tabaci adults, 1^st-2^nd instar nymphs of Myzus persicae and 2^nd instar larvae of Plutella xylostella were 15.6,11.2 and 13.2, respectively. The highest predation was found on B. tabaci, which was significantly higher than the others. In choice experiments, N. tenuis preferred to feed on B. tabaci adults, followed by the 2^nd instar larvae of P. xylostella and 1^st-2^nd instar nymphs of M. persicae. The results showed that for the three common pests in vegetable, N. tenuis could be preferentially used for the biological control of B. tabaci.

Key words: Nesidiocoris tenuis, Bemisia tabaci, Myzus persicae, Plutella xylostella, predation preference

CLC Number:

S476.2

HOU Qihua, SHANG Yingjie, WANG Sudan, LIU Yinquan, CHEN Rui. Predation and preference of Nesidiocoris tenuis for three vegetable insect pests[J]. Acta Agriculturae Zhejiangensis, 2025, 37(5): 1082-1086.

Figures/Tables 4

References 16

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处理 Treatment	烟粉虱成虫Adults of B. tabaci		桃蚜1~2龄若虫 1^st-2^nd instar nymphs of M. persicae		Cain指数 Cain index
处理 Treatment	初始虫量 Number of initial preys	被捕食量 Number of preys consumed	初始虫量 Number of initial preys	被捕食量 Number of preys consumed	Cain指数 Cain index
1	20	4.3±0.5	40	5.3±0.3	1.623
2	30	7.0±0.6	30	3.5±0.3	2.000
3	40	9.7±0.3	20	2.5±0.2	1.940

处理 Treatment	烟粉虱成虫Adults of B. tabaci		桃蚜1~2龄若虫 1^st-2^nd instar nymphs of M. persicae		Cain指数 Cain index
处理 Treatment	初始虫量 Number of initial preys	被捕食量 Number of preys consumed	初始虫量 Number of initial preys	被捕食量 Number of preys consumed	Cain指数 Cain index
1	20	4.3±0.5	40	5.3±0.3	1.623
2	30	7.0±0.6	30	3.5±0.3	2.000
3	40	9.7±0.3	20	2.5±0.2	1.940

处理 Treatment	小菜蛾2龄幼虫 2^nd instar larvae of P. xylostella		桃蚜1~2龄若虫 1^st-2^nd instar nymphs of M. persicae		Cain指数 Cain index
处理 Treatment	初始虫量 Number of initial preys	被捕食量 Number of preys consumed	初始虫量 Number of initial preys	被捕食量 Number of preys consumed	Cain指数 Cain index
1	20	5.2±0.3	40	2.7±0.2	1.651
2	30	7.8±0.3	30	4.5±0.4	1.730
3	40	11.2±0.8	20	6.3±0.3	2.074

处理 Treatment	小菜蛾2龄幼虫 2^nd instar larvae of P. xylostella		桃蚜1~2龄若虫 1^st-2^nd instar nymphs of M. persicae		Cain指数 Cain index
处理 Treatment	初始虫量 Number of initial preys	被捕食量 Number of preys consumed	初始虫量 Number of initial preys	被捕食量 Number of preys consumed	Cain指数 Cain index
1	20	5.2±0.3	40	2.7±0.2	1.651
2	30	7.8±0.3	30	4.5±0.4	1.730
3	40	11.2±0.8	20	6.3±0.3	2.074

处理 Treatment	烟粉虱成虫Adult of B. tabaci		小菜蛾2龄幼虫 2^nd instar larvae of P. xylostella		Cain指数 Cain index
处理 Treatment	初始虫量 Number of initial preys	被捕食量 Number of preys consumed	初始虫量 Number of initial preys	被捕食量 Number of preys consumed	Cain指数 Cain index
1	20	4.7±0.2	40	6.0±0.3	1.567
2	30	7.8±0.3	30	4.5±0.2	1.733
3	40	10.3±0.3	20	2.8±0.2	1.839

Predation and preference of Nesidiocoris tenuis for three vegetable insect pests

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