Predation of <i>Cyrtorhinus lividipennis</i> Reuter on eggs of the green leafhopper and brown planthopper in rice

Heong, K. L.; Bleih, Saad; Lazaro, Amor A.

doi:10.1007/bf02512561

Cited by 41 publications

(20 citation statements)

References 16 publications

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“…The mirid egg predator C. lividipennis on the other hand, did not show high positive response to planthopper and leafhopper density in Los Banos, Cabanatuan and Banaue, in contrast to the analysis of Kuno & Dyck (1985). Since C. lividipennis has feeding preference for hopper eggs (Heong et al, 1990), a delayed response might be expected. Spider populations showed positive responses at all sites, though less conspicuous than that for the veliids.…”

Section: Discussionmentioning

confidence: 99%

Arthropod community structures of rice ecosystems in the Philippines

Heong

Aquino

Barrion

1991

Bull. Entomol. Res.

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The arthropod community associated with irrigated rice grown in five sites in Luzon Island, Philippines, was analysed using guild categories. Phytophages and predators were predominant in all sites. The phytophage species were mainly Homoptera and dominated by Nephotettix virescens (Distant), N. nigropictus (Stal) (Cicadellidae), and Nilaparvata lugens (Stal) and Sogatella furcifera (Horvath) (Delphacidae). Predators were mainly Heteroptera with Microvelia douglasi atrolineata Bergoth (Veliidae), Mesovelia vittigera (Horvath) (Mesoveliidae), and Cyrtorhinus lividipennis Reuter (Miridae) as the most abundant species. Spiders were the next dominant group with Pardosa pseudoannulata (Boesenberg & Strand) and three species of Tetragnatha the most common. Differences in species diversity between the sites were easily differentiated using diversity indices. The relative differences in arthropod abundance, species richness and diversity may be attributed to the median temperatures, cropping patterns, and diversity in crop stages and germplasm in the sites. Predator-Homoptera correlations were significant in all cases. High positive correlations were obtained for veliids, spiders and Cyrtorhinus lividipennis, in most sites.

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Section: Discussionmentioning

confidence: 99%

Arthropod community structures of rice ecosystems in the Philippines

Heong

Aquino

Barrion

1991

Bull. Entomol. Res.

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“…Feeding rates of the wolf spider on N. lugens and N. virescens have been studied in the laboratory (Heong 1 Present address: Rice Research and Training Center, Sakha, Kafr El-Sheikh, Egypt. and Rubia, 1989) and field (Kiritani and Kakiya, 1975), while predation of eggs of N. lugens and N. virescens by C. lividipennis was quantified by Heong et al (1990). In both cases the functional response was that of Holling's (1959;1966) Type II, commonly found in simple two-species systems.…”

Section: Introductionmentioning

confidence: 99%

Prey preference of the wolf spider, Pardosa pseudoannulata (Boesenberg et Strand)

1991

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Functional responses of the wolf spider, Pardosa pseudoannulata (Boesenberg et Strand) attacking the rice brown planthopper, Nilaparvata lugens (Stgd.), and the mirid predator Cyrtorhinus lividipennis Reuter were both those of Holling Type II. The attack rate was higher and handling time lower for C. lividipennis. However, when caged with the two prey, the wolf spider showed a significant preference for N. lugens at a lower prey proportion. Proportions of prey attacked were significantly different from the expected ratios of prey available as well as from the predicted preferences derived from the functional response parameters. As proportions of N. lugens attacked changed from greater to less than expected as the proportions of N. lugens available increased, a "reverse switch" behaviour seems to be evident.

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“…Table 2 describes the nomenclature and the times (t 1 , t 2 , t 3 ) are given in Table 4 and Figure 2a. The last column, ∑ j P aj (t 3 ), is the sum over all of the parasitoid species at the end of the experiment, that is, the total number of adult parasitoids for each host experiment (Cheng, 2009;Heong et al, 1990) therefore we assume their population is fairly constant and make the simplifying assumption that there is no net immigration or emigration of adult parasitoids or egg predators during the relatively short exposure period. To summarize, our model assumptions, are:…”

Section: Mathematical Modelmentioning

confidence: 99%

Quantifying parasitoid and predator controls on rice hopper eggs using a dynamic stage‐structured model and field data

Kettle

Sann

Marion

2019

Journal of Applied Ecology

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1. Rice hoppers can cause devastation to rice crops in SE Asia via disease spread and direct feeding. Current regulation is through pesticides; however, a more sustainable approach is to use the natural enemies of the hoppers. Here, we show how the combination of a process-based model and field data can give insights into natural pest control, beyond those obtained through direct analysis of the field data.2. We use a stage-structured host-parasitoid model based on time-delay ordinary differential equations (using the r package "stagePop"; Kettle & Nutter, 2015;Methods in Ecology and Evolution 6:1484-1490) to investigate the interactions of four parasitoid genera and an egg predator on the eggs of two hopper hosts: the brown plant hopper (Nilaparvata lugens (Stål)) and the green leaf hopper (Nephottetix spp.).3. Model parameters are derived from 62 (×3) datasets from experiments in the Philippines. In these experiments, hopper eggs on rice plants were exposed in the field for 3 days and then taken back to the laboratory. The number of emerging hopper nymphs and parasitoid adults were then recorded. Single-host and mixed host experiments were performed. 4. The field data are not sufficient to fully constrain the model parameters so our results are given in terms of the value of an unknown parameter (γ; the number of hopper eggs killed per successful parasitism) which may be ascertained via future experiments. Synthesis and applications.Our model experiments suggest that although parasitoids are most likely the main control on hopper egg abundance, and despite the fact that the egg predator also consumes parasitoid eggs, the two-enemy system (parasitoids and predators) is more effective at hopper egg control than if either enemy is present alone. Our results provide evidence in support of ecological engineering approaches that promote both parasitoids and egg predators.

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Predation of Cyrtorhinus lividipennis Reuter on eggs of the green leafhopper and brown planthopper in rice

Cited by 41 publications

References 16 publications

Arthropod community structures of rice ecosystems in the Philippines

Arthropod community structures of rice ecosystems in the Philippines

Prey preference of the wolf spider, Pardosa pseudoannulata (Boesenberg et Strand)

Quantifying parasitoid and predator controls on rice hopper eggs using a dynamic stage‐structured model and field data

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