Foraging Behavior of Two Coccinellid Species (Coleoptera: Coccinellidae) Fed on Aphids

Al-Deghairi, Mohamed A.; Abdel-Baky, N. F.; Fouly, A. H.; Ghanim, N. M.

doi:10.3954/1523-5475-30.0.12

Cited by 10 publications

(4 citation statements)

References 41 publications

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“…The predatory coccinellids, Coccinella undecimpunctata L., and Hippodamia variegata Goeze (Coleoptera: Coccinellidae) are effective predators of various insect pests such as aphids either in greenhouses or fields due to their high feeding capacity [ 5 , 6 ]. Both of C. undecimpunctata and H. variegata are widely distributed in different regions of Saudi Arabia [ 7 , 8 , 9 ].…”

Section: Introductionmentioning

confidence: 99%

Pathogenicity and Side Effect of Indigenous Beauveria bassiana on Coccinella undecimpunctata and Hippodamia variegata (Coleoptera: Coccinellidae)

Sayed

Elarrnaouty

AlOtaibi

et al. 2021

Insects

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This study aimed to estimate the virulence of an indigenous Beauveria bassiana on all developmental stages of two indigenous coccinellids; Coccinella undecimpunctata and Hippodamia variegata through three application methods; direct spray, contact method, and feeding on aphids treated with the fungus (ingestion). Also, indirect effect on all developmental stages resulted from 1st larval instar treated with these application methods. All treatments were done with a concentration of 1 × 105 which was recommended in previous studies for different aphid species with a control of 0.02% Tween 80 (v/v). The mortality of 1st larval instar of both H. variegata and C. undecimpunctata and pupal stage of C. undecimpunctata were significantly increased with spray method only. Also, contact method achieved significantly higher mortality on 1st larval instar of C. undecimpunctata only. Regard to indirect effect, except of mortality of 1st larval instar of both predators and 2nd larval instar of H. variegata, other developmental instars/stages of both predators were not affected by B. bassiana through the three tested application methods in the mortality, duration, survival, cumulative survival male and female longevity, and fecundity. Therefore, both tested predatory coccinellids could be compatible with this indigenous isolate of B. bassiana where, in general, there are no negative effects of the fungus on both predators.

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Section: Introductionmentioning

confidence: 99%

Pathogenicity and Side Effect of Indigenous Beauveria bassiana on Coccinella undecimpunctata and Hippodamia variegata (Coleoptera: Coccinellidae)

Sayed

Elarrnaouty

AlOtaibi

et al. 2021

Insects

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“…The predatory coccinellids Coccinella undecimpunctata L., Coccinella septempunctata L., and Hippodamia variegata Goeze are effective predators of different insect pests, including whiteflies and aphids, in both fields and greenhouses because of their high predation efficacy (Franzman 2002;Cabral et al 2008). These three species are widely distributed in many parts of the world, including different regions of Saudi Arabia (El-Hawagry et al 2013;Al-Deghairi et al 2014;Sayed 2016). Generally, indigenous natural enemies are more suitable for controlling pests in their native regions when the level of control by resident populations of natural enemies is insufficient.…”

Section: Introductionmentioning

confidence: 99%

Efficiency of three indigenous species of coccinellid predators for controlling aphids and whiteflies on cucumbers in greenhouses

Al-Shuraym

2024

Biosci. J.

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Cucumber plants can be infested with many insect pests such as aphids, whiteflies, and thrips, especially in greenhouses, resulting in significant damage to the crops. This study investigated the efficacy of three species of coccinellids (Coccinella undecimpunctata, Coccinella septempunctata, and Hippodamia variegata), indigenous to the Taif region of Saudi Arabia, to control Bemisia tabaci whiteflies and Aphis gossypii aphids on cucumbers in greenhouses. The study was conducted with a release rate of five second-instar larvae of each coccinellid species per plant. One week after the first release of coccinellids, there were no significant differences among the treatment groups in terms of infestation rate, but all three groups differed significantly from the control group. After the first week, the B. tabaci and A. gossypii infestation rates decreased significantly in the H. variegata group compared with the other two coccinellid species, a trend that continued until the end of the experiment. These results suggested that H. variegata was the most effective of the three species at decreasing the B. tabaci population. After the second release of each coccinellid species, the reduction rates were >90% in all three groups, being significantly higher in the H. variegata group. Thus, these results suggest that second-instar larvae of all three coccinellid species would be effective predators of B. tabaci and A. gossypii on cucumbers in greenhouses, with those of H. variegata showing the greatest efficacy. Future research should focus on the effects of these predators on outdoor cucumber fields and on other crops grown in the Taif region.

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“…Mutual interactions impede their consumption of prey and searching efficiency (Omkar and Pervez 2004a;Bayoumy and Michaud 2012). Their searching efficiency and incidence of mutual interference might be dependent on the type of prey (Al-Deghairi et al 2014). These coccinellid predators may switch from a rare stage of prey to an abundant stage of prey (Fathipour et al 2020) thereby suppressing prey-abundance and increasing their body size.…”

Section: Introductionmentioning

confidence: 99%

Influence of intraspecific competition for food on the bodyweight of the adult aphidophagous ladybird, Coccinella transversalis

Pervez

Sharma²

2021

European Journal of Environmental Sciences

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Aggregation of conspecific predators sharing a common prey, influences their bodyweights. We investigated the influence of intraspecific competition of adult ladybirds of Coccinella transversalis Fabricius on their bodyweight feeding on rusty plum aphid, Hysteroneura setariae (Thomas). Adult males and females consumed a significantly greater number of aphids with increase in predator-density, however, the aphid-consumption per predator declined with this increase. The weight gain per predator also decreased linearly with increase in the density of both male and female predators. This indicates that the weight-gain of the predator is a function of the prey consumed. The searching efficiency decreased with increase in predator density due to mutual inference. The mutual interference constants for adult male and female ladybirds were −0.419 and −0.546, respectively. The females consumed a greater number of aphids than males. The killing power of the ladybird denoted by the k-value increased curvilinearly with increase in predator density. We conclude that prey consumption is a function of body size and that the offspring of those that aggregate at low densities in prey-rich habitats develop into large adults.

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Foraging Behavior of Two Coccinellid Species (Coleoptera: Coccinellidae) Fed on Aphids

Cited by 10 publications

References 41 publications

Pathogenicity and Side Effect of Indigenous Beauveria bassiana on Coccinella undecimpunctata and Hippodamia variegata (Coleoptera: Coccinellidae)

Pathogenicity and Side Effect of Indigenous Beauveria bassiana on Coccinella undecimpunctata and Hippodamia variegata (Coleoptera: Coccinellidae)

Efficiency of three indigenous species of coccinellid predators for controlling aphids and whiteflies on cucumbers in greenhouses

Influence of intraspecific competition for food on the bodyweight of the adult aphidophagous ladybird, Coccinella transversalis

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