Trapping effects of three trapping methods on Leucania loreyi in Luohe

doi:10.16178/j.issn.0528-9017.20240436

Abstract

Abstract:

To understand the population dynamics of Leucania loreyi in Luohe, Henan, field populations were monitored in 2022 using forecast lamps, searchlight, and sex attractant traps. The monitoring and trapping efficacy were analyzed and compared. The results showed that both forecast lamps and searchlight captured adult Leucania loreyi populations with a single peak period from early September to middle October in 2022, with peak captures accounting for 94.38% and 95.58% of the annual totals, respectively. The primary capture period for sex attractant traps was between September 20 and October 21, during which the average capture across three traps represented 90.05% of the total monitoring period. The peak capture periods of sex attractant traps largely aligned with those of the forecast lamps and searchlight. The peak capture dates for forecast lamps, searchlight, and sex attractant traps were September 29, September 26, and September 23, respectively. The trapping efficacy of sex attractant traps varied significantly depending on their locations. Throughout the monitoring period, male Leucania loreyi accounted for 98.20% of the total insects captured by the attractant traps, significantly outnumbered other insect species and demonstrated high specificity. These findings provide valuable insights for forecasting and eco-friendly control strategies against Leucania loreyi.

Key words: Leucania loreyi, forecast lamp, searchlight, sex attractants, population monitoring

CLC Number:

S435

CHEN Qi, HOU Yanhong, CHEN Li, LIU Di, DU Mengyuan, WANG Wenhao, SHI Xingkai, SHEN Hailong, FAN Zhiye, DUAN Yun, LI Shimin. Trapping effects of three trapping methods on Leucania loreyi in Luohe[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(9): 2213-2217.

Figures/Tables 5

References 23

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日期(月-日)	每诱捕器诱虫量/头
08-25	1.00±1.00 b
08-29	23.67±15.01 b
08-31	2.33±0.58 b
09-05	0 b
09-07	0.67±1.15 b
09-11	0.67±0.58 b
09-14	1.33±1.15 b
09-17	0.67±0.58 b
09-20	30.00±25.24 b
09-23	185.67±135.74 a
09-27	144.00±96.02 a
10-02	151.67±149.58 a
10-08	67.67±29.14 b
10-11	50.67±32.72 b
10-14	39.00±41.22 b
10-17	1.00±1.73 b
10-21	35.00±32.08 b
10-24	3.33±3.51 b
10-28	1.00±1.73 b
10-31	0.33±0.58 b
11-04	0.67±1.15 b
11-07	2.00±3.46 b
11-11	2.00±1.73 b
11-14	0 b
11-18	11.67±20.21 b
11-21	1.33±2.31 b
11-25	5.00±7.81 b
11-28	0.33±0.58 b

日期(月-日)	每诱捕器诱虫量/头
08-25	1.00±1.00 b
08-29	23.67±15.01 b
08-31	2.33±0.58 b
09-05	0 b
09-07	0.67±1.15 b
09-11	0.67±0.58 b
09-14	1.33±1.15 b
09-17	0.67±0.58 b
09-20	30.00±25.24 b
09-23	185.67±135.74 a
09-27	144.00±96.02 a
10-02	151.67±149.58 a
10-08	67.67±29.14 b
10-11	50.67±32.72 b
10-14	39.00±41.22 b
10-17	1.00±1.73 b
10-21	35.00±32.08 b
10-24	3.33±3.51 b
10-28	1.00±1.73 b
10-31	0.33±0.58 b
11-04	0.67±1.15 b
11-07	2.00±3.46 b
11-11	2.00±1.73 b
11-14	0 b
11-18	11.67±20.21 b
11-21	1.33±2.31 b
11-25	5.00±7.81 b
11-28	0.33±0.58 b

诱捕器	平均诱捕虫量
Ⅰ	15.18±26.17 b
Ⅱ	20.54±53.25 b
Ⅲ	46.00±87.94 a

诱捕器	平均诱捕虫量
Ⅰ	15.18±26.17 b
Ⅱ	20.54±53.25 b
Ⅲ	46.00±87.94 a

种类	比例/%
劳氏粘虫	98.20±1.52 a
草地贪夜蛾	0.73±0.32 b
棉铃虫等夜蛾	0.47±0.47 b
螟蛾	0.22±0.36 b
食蚜蝇	0.22±0.17 b
瓢虫	0.13±0.12 b
草蛉	0.03±0.13 b