Functional response of Harmonia dimidiata (fab.) to melon aphid, Aphis gossypii Glover under laboratory conditions

Sharma, P. L.; Sc, Verma; Chandel, R. S.; Shah, Mohd Abas; Gavkare, Omkar

doi:10.1007/s12600-017-0599-5

Cited by 14 publications

(11 citation statements)

References 29 publications

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“…Our results of greater predation by the 4th instar and female H. axyridis are supported by previous reports investigating the functional response of coccinellids, namely Adalia tetraspilota (Hope), Hippodamia variegata (Goeze), Harmonia dimidiata (Fab. ), and Scymnus syriacus Marseul preying on many aphid species 44 , 45 , 77 .…”

Section: Discussionmentioning

confidence: 99%

Functional response of Harmonia axyridis preying on Acyrthosiphon pisum nymphs: the effect of temperature

Islam

Shah

Rubing

et al. 2021

Sci Rep

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In the current study, we investigated the functional response of Harmonia axyridis adults and larvae foraging on Acyrthosiphon pisum nymphs at temperatures between 15 and 35 °C. Logistic regression and Roger’s random predator models were employed to determine the type and parameters of the functional response. Harmonia axyridis larvae and adults exhibited Type II functional responses to A. pisum, and warming increased both the predation activity and host aphid control mortality. Female and 4th instar H. axyridis consumed the most aphids. For fourth instar larvae and female H. axyridis adults, the successful attack rates were 0.23 ± 0.014 h−1 and 0.25 ± 0.015 h−1; the handling times were 0.13 ± 0.005 h and 0.16 ± 0.004 h; and the estimated maximum predation rates were 181.28 ± 14.54 and 153.85 ± 4.06, respectively. These findings accentuate the high performance of 4th instar and female H. axyridis and the role of temperature in their efficiency. Further, we discussed such temperature-driven shifts in predation and prey mortality concerning prey-predator foraging interactions towards biological control.

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Section: Discussionmentioning

confidence: 99%

Functional response of Harmonia axyridis preying on Acyrthosiphon pisum nymphs: the effect of temperature

Islam

Shah

Rubing

et al. 2021

Sci Rep

View full text Add to dashboard Cite

show abstract

“…The assessment regarding natural enemy potential to suppress pest population is mainly carried out via evaluation of functional response, which depicts the interaction between prey density and predation capacity [ 26 , 27 , 28 ], enabling suitable choice of predator to be utilized in classical and augmentative biological control programs [ 29 , 30 ]. However, functional response may be regulated by a range of factors such as host plant of the prey [ 31 , 32 , 33 , 34 , 35 , 36 ], feeding behaviour and history [ 37 ], prey species [ 38 , 39 ], predator and its phenology [ 40 , 41 ] and temperature also [ 42 , 43 , 44 , 45 ]. In these, temperature is regarded as one of the most fundamental aspect, with ability to affect predator growth, development and foraging behaviour and thus the functional response [ 44 ].…”

Section: Introductionmentioning

confidence: 99%

Temperature-Dependent Functional Response of Harmonia axyridis (Coleoptera: Coccinellidae) on the Eggs of Spodoptera litura (Lepidoptera: Noctuidae) in Laboratory

Islam

Shah

et al. 2020

Insects

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Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae) is a major pest of several economically important crops with worldwide distribution. Use of insecticides is the principal strategy for its management, which has subsequently led to insecticide resistance and control failures. Functional response of Harmonia axyridis (Pallas) (Coleoptera: Coccinellidae) at larval and adult stages was evaluated in this study, using S. litura eggs as the prey at various temperatures varying between 15 and 35 °C. Based on logistic model findings, linear parameters of various predatory stages of H. axyridis at various temperatures were significantly negative, which indicate a type II functional response. The theoretical maximum number (T/Th) of eggs consumed increased with increasing temperature for all predatory stages. According to the random predator equation, the coefficients of attack rate increased and that of handling time decreased as the temperature increased. The 4th instar and adult stages were superior candidates for biocontrol of the target prey, typically at higher temperatures. The maximum attack rate (0.546 ± 0.058 h) and lowest handling time (0.189 ± 0.004 h−1) were exhibited by the females at 30 and 35 °C, respectively, whereas these parameters were inferior for early instars. These findings clearly depict that the 4th instar and adult predators are efficient egg consumers and can serve as potential suppressors of S. litura field populations. The limitations of the predictions formulated by functional response trials are also discussed.

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“…It is essential to evaluate the biocontrol potential of predators, e.g., Orius spp., in the laboratory by conducting biological studies. Moreover, these studies can justify the efficiency of predator against target species before using predators in the field against insect pests [38,39], and helpful in the regulation of prey population [12,40].…”

Section: Introductionmentioning

confidence: 99%

Using a Two-Sex Life Table Tool to Calculate the Fitness of Orius strigicollis as a Predator of Pectinophora gossypiella

Ali

Jaleel

et al. 2020

Insects

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A two-sex life table is a useful tool for studying the fitness of predators. Previous studies of Orius strigicollis Poppius (Heteroptera: Anthocoridae) fitness have not been done on Pectinophora gossypiella (Lepidoptera: Gelechiidae) using a two-sex life table tool. This study reports the fitness of the minute predatory flower bug, O. strigicollis when feeding on the cotton pest P. gossypiella using a two-sex life table tool. Different densities (5, 10, and 15 eggs) of P. gossypiella eggs were used to calculate the feeding capacity and fitness of O. strigicollis in the laboratory at 28 °C ± 1, 75 ± 5% RH and 16:8 (L:D). The results concluded that O. strigicollis is an efficient predator of P. gossypiella. The maximum growth capacity of the predatory bug O. strigicollis was attained when it was fed on 10 and 15 P. gossypiella eggs. Furthermore, shorter generation and development time were also observed in the case of 15 eggs of P. gossypiella. These results suggest that O. strigicollis has considerable predatory potential and prefers feeding on P. gossypiella eggs than on the first instar larvae at the fourth instar or the female stage. Although the field potential of O. strigicollis is still unknown, this study will support future investigations in terms of field applications.

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Functional response of Harmonia dimidiata (fab.) to melon aphid, Aphis gossypii Glover under laboratory conditions

Cited by 14 publications

References 29 publications

Functional response of Harmonia axyridis preying on Acyrthosiphon pisum nymphs: the effect of temperature

Functional response of Harmonia axyridis preying on Acyrthosiphon pisum nymphs: the effect of temperature

Temperature-Dependent Functional Response of Harmonia axyridis (Coleoptera: Coccinellidae) on the Eggs of Spodoptera litura (Lepidoptera: Noctuidae) in Laboratory

Using a Two-Sex Life Table Tool to Calculate the Fitness of Orius strigicollis as a Predator of Pectinophora gossypiella

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