Toxicity of insecticides to wolf spider (<i>Pardosa pseudoannulata)</i> and rice leaf folder (<i>Cnaphalocrocis medinalis)</i>: assessing the risk of insecticides on spiders in the rice ecosystem

Preetha, G.; J., Stanley; S., Suresh

doi:10.1080/09670874.2023.2255853

International Journal of Pest Management

2023

DOI: 10.1080/09670874.2023.2255853

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Toxicity of insecticides to wolf spider (Pardosa pseudoannulata) and rice leaf folder (Cnaphalocrocis medinalis): assessing the risk of insecticides on spiders in the rice ecosystem

G. Preetha,

Stanley J.,

Suresh S.

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2024

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Physiological Status of Rice Leaf-Roller Cnaphalocrocis medinalis (Lepidoptera: Crambidae) Adults Trapped by Sex Pheromone and Floral Odor

Lu,

Yao,

Shen

et al. 2024

Insects

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The rice leaf-roller Cnaphalocrocis medinalis is an important migratory pest of rice. We conducted a study to determine the physiological status of adults trapped by a sex pheromone and floral odor. In the immigrant group, the number of males trapped by the floral odor was greater than the number caught by sex pheromone trapping. The volume of testes was similar in the above two trapping methods but was smaller than in the sweep net method. The ovary developmental grade, mating rate, and number of matings of females caught in floral odor trap were higher than in those caught in the sweep net. In the local breeding group, the number of males trapped by sex pheromones was greater than the number trapped by the floral odor. The volume of testes was smaller in the floral odor trap compared to the pheromone trap group, with the largest in the sweep net group. The ovarian developmental grade, mating rate, and number of matings of females were significantly higher in the floral odor trap group than in the sweep net group. In the emigrant group, the adult olfactory response to the sex pheromone and floral odor was low. The volume of testes was larger in the sweep net group compared to the moths caught by floral odor trapping. The number of eggs laid by female immigrants trapped by the floral odor and sweep net was similar, while the number in the local breeding group was greater in moths caught with the sweep net in comparison with those caught by the floral odor trap. The difference in egg hatchability between the two trapping methods in both immigrants and local breedings was not significant.

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Physiological Status of Rice Leaf-Roller Cnaphalocrocis medinalis (Lepidoptera: Crambidae) Adults Trapped by Sex Pheromone and Floral Odor

Lu,

Yao,

Shen

et al. 2024

Insects

View full text Add to dashboard Cite

show abstract

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Toxicity of insecticides to wolf spider (Pardosa pseudoannulata) and rice leaf folder (Cnaphalocrocis medinalis): assessing the risk of insecticides on spiders in the rice ecosystem

Cited by 1 publication

References 47 publications

Physiological Status of Rice Leaf-Roller Cnaphalocrocis medinalis (Lepidoptera: Crambidae) Adults Trapped by Sex Pheromone and Floral Odor

Physiological Status of Rice Leaf-Roller Cnaphalocrocis medinalis (Lepidoptera: Crambidae) Adults Trapped by Sex Pheromone and Floral Odor

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