Predation and Control Effect of Eupeodes corollae Fabricius (Diptera: Syrphidae) on Leguminous Plant Aphids

Jiang, Shanshan; Li, Hui; Wu, Kongming

doi:10.3390/agronomy13071739

Cited by 4 publications

(1 citation statement)

References 62 publications

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“…When the ratio of E. corollae larvae to wheat aphids in the field is greater than 1:200, slow or no application of chemical pesticides is recommended for the comprehensive control of wheat aphids. Compared with adult E. corollae (the Aphis craccivora population decline rates of the 1:2000 ratios were close to 100% at 12 d after the release of E. corollae adults) [37], the larvae's control ability was poor, but the effect was quicker. Therefore, this method of using E. corollae larvae could be used as an emergency measure for aphid control.…”

Section: Discussionmentioning

confidence: 95%

Predation and Biocontrol Potential of Eupeodes corollae Fabricius (Diptera: Syrphidae) on Wheat Aphids

Jiang,

Li,

Wang

et al. 2024

Agronomy

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Wheat aphids are major pests of wheat and a significant threat to global food security. Eupeodes corollae Fabricius is one of the dominant species of wheat field hoverflies, but its ability and role in wheat aphid control lack systematic research. This study on the predatory function responses of E. corollae to Rhopalosiphum padi Linnaeus, Schizaphis graminum Rondani, and Sitobion miscanthi, Takahashi showed that the maximum daily predation (1/Th) of 2nd instar E. corollae larvae was 166.67, 125.00, and 142.86, and that of 3rd instar larvae was 333.33, 250.00, and 250.00, respectively. The cage simulation test indicated that the wheat aphid population decline rate was 100% at the 60th hour of inoculation of 3rd instar E. corollae larvae at a 1:100 ratio. Eupeodes corollae exhibited a predatory relationship with all three wheat aphid species in the wheat fields of Hebei Province, China, and the corrected predation detection rates of E. corollae larvae against R. padi, S. graminum, and S. miscanthi were 12.36%, 1.08%, and 28.77% in 2022, and 6.74%, 0.82%, and 37.56% in 2023, respectively. The results of this study clarify the predatory ability of E. corollae on wheat aphids and the predatory relationship between them and provide technical support for the management of wheat aphids using the bio-control ecological service function of E. corollae.

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Section: Discussionmentioning

confidence: 95%

Predation and Biocontrol Potential of Eupeodes corollae Fabricius (Diptera: Syrphidae) on Wheat Aphids

Jiang,

Li,

Wang

et al. 2024

Agronomy

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Structure, relationships and diversity in the community of aphids and aphidophagous species in alfalfa

Nikolova

2024

Bull. Entomol. Res.

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There is a need for comprehensive research on the species structure and the population dynamics of the most common aphidophagous species. A critical factor of the effectiveness of aphid biocontrol is the ratio of beneficial polyphagous (generalist) to oligo- or monophagous (specialist) species within the various trophic groups. Aphids' population density and environmental conditions influence the development and potential feeding of useful insects. The present study aimed to determine the community structure, relationships and diversity between aphids and their aphidophagous species in alfalfa fields using the following methods: sweeping with an entomological net, the quadratic method, coloured sticky board method, route survey method and visual observations. Research on the structure of the aphid–aphidophagous community revealed that aphidophagous species belong to three groups: (1) polyphagous predatory bugs from the families Anthocoridae and Nabidae, (2) oligophagous and polyphagous predators from the families Coccinellidae, Syrphidae and Chrysopidae; and (3) monophagous and oligophagous parasitoids, primarily from the families Aphidiidae and Ichneumonidae. From mid-May to June, there was a sufficiently large potential for aphidophagous species (Coccinellidae, Syrphidae, Chrysopidae, Anthocoridae and Nabidae) to control aphids, while in September, predatory ladybirds from the Coccinellidae family were the main biological control agents. Coccinellidae (Coleoptera) exhibited the highest values of diversity, dominance and richness indices among insect groups in the aphid–aphidophagous community. The existence of diverse aphidophagous species in alfalfa fields suggests that these predators can complement each other, leading to effective biological control of aphids. The synergy among different predator species holds promise for enhancing the overall efficacy of integrated pest management strategies.

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Functional response and predation rate of Cryptolaemus montrouzieri (Coleoptera: Coccinellidae) to Paracoccus marginatus (Hemiptera: Pseudococcidae) at different temperatures

Rostami,

Huang,

Shi

et al. 2024

Journal of Economic Entomology

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The ladybug, Cryptolaemus montrouzieri (Mulsant) (Coleoptera: Cocccinellidae)(Mulsant)(Coleoptera: Cocccinellidae), is a highly efficient predator in controlling mealybug populations and is considered an effective agent for controlling the papaya mealybugs (Paracoccus marginatus) (Williams & Granara de Willink) (Hemiptera: Pseudococcidae). Various criteria have been proposed for evaluating predator effectiveness, with the consumption rate of prey by individual predators, specifically the functional response, emerging as a common and crucial metric. This study evaluated the functional responses of third- and fourth-instar larvae, as well as male and female adults (<48 h old) of C. montrouzieri to adult females of P. marginatus at 3 different temperatures (22 °C, 28 °C, and 35 °C) with 70% ± 5% RH and a 12L:12D h photoperiod. Prey densities were 2, 4, 8, 16, 32, 45, or 60 papaya mealybugs per predator for all tests. The response to prey density by third- and fourth-instar larvae or both sexes of adult C. montrouzieri was a type II at all temperatures. The highest attack rate and lowest handling time were estimated at 28 °C in males and 35 °C in females, respectively. The highest daily prey consumption rate occurred at 35 °C in both the immature and adult stages of C. montrouzieri. These findings support the potential of C. montrouzieri in controlling the papaya mealybug, especially in tropical and subtropical regions, given its search efficiency at high temperatures tested in this study. However, additional field investigations are needed to ascertain the control efficacy of C. montrouzieri for this mealybug in biocontrol programs.

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Predation and Control Effect of Eupeodes corollae Fabricius (Diptera: Syrphidae) on Leguminous Plant Aphids

Cited by 4 publications

References 62 publications

Predation and Biocontrol Potential of Eupeodes corollae Fabricius (Diptera: Syrphidae) on Wheat Aphids

Predation and Biocontrol Potential of Eupeodes corollae Fabricius (Diptera: Syrphidae) on Wheat Aphids

Structure, relationships and diversity in the community of aphids and aphidophagous species in alfalfa

Functional response and predation rate of Cryptolaemus montrouzieri (Coleoptera: Coccinellidae) to Paracoccus marginatus (Hemiptera: Pseudococcidae) at different temperatures

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