Prey stage preference and functional response of the predatory mite Galendromus flumenis to Oligonychus pratensis

Ganjisaffar, Fatemeh; Perring, Thomas M.

doi:10.1016/j.biocontrol.2014.12.004

Cited by 58 publications

(27 citation statements)

References 35 publications

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“…However, while G. flumenis has inferior population growth parameters to its prey, it has other traits that can be exploited in a biological control strategy. Ganjisaffar & Perring (2015a) found that G. flumenis prey on an average of 147.6 eggs, 63.8 larvae, 19.9 protonomyphs, or 16.3 deutonymphs of O. pratensis per day and they have a high searching efficiency. These traits may help compensate for the lower population growth parameters of G. flumenis.…”

Section: Discussionmentioning

confidence: 99%

“…A 1-cm hole was made in the lid of the large Petri dish, and this hole was covered with fine mesh for ventilation. Eggs of O. pratensis were supplied as food since previous study indicated that G. flumenis prefers eggs over the other stages of O. pratensis (Ganjisaffar & Perring 2015a). Development from egg to adult was recorded every 24 h. Second generation newly emerged females were paired with a male obtained in the experiment or taken from the colony.…”

Section: Methodsmentioning

confidence: 99%

“…Increasing the numbers of G. flumenis through augmentative releases should improve the management of Banks grass mite if releases are made early in the season when there is a higher proportion of prey eggs which are preferred life stage by the predator (Ganjisaffar & Perring 2015a). Based on the negative impact of high temperatures determined in this study, we also recommend that releases be made during the cool morning hours of day and in the inner canopy of the trees or inside the date bunches with minimum exposure to the sun and heat.…”

Section: Figurementioning

confidence: 99%

“…Therefore, a series of laboratory experiments were initiated to elucidate the biological properties of G. flumenis in an effort to predict the performance of the predator in the field. Previous research on the prey stage preference of G. flumenis indicated that G. flumenis feeds on all life stages of O. pratensis, but it prefers eggs over the other stages, and displays a type II functional response on all O. pratensis immature stages (Ganjisaffar & Perring, 2015a).…”

Section: Introductionmentioning

confidence: 98%

“…Surveys for predatory mites in date gardens of the Coachella Valley revealed that Galendromus flumenis (Chant) was the only phytoseiid species in association with O. pratensis Article on date bunches (Ganjisaffar & Perring 2015a). Therefore, a series of laboratory experiments were initiated to elucidate the biological properties of G. flumenis in an effort to predict the performance of the predator in the field.…”

Section: Introductionmentioning

confidence: 99%

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A life table analysis to evaluate biological control of banks grass mite using the predatory mite, Galendromus flumenis (Acari: Phytoseiidae)

Ganjisaffar

Perring

2017

saa

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A life table analysis to evaluate biological control of banks grass mite using the predatory mite, Galendromus flumenis (Acari: Phytoseiidae) FATEMEH AbstractThe predatory mite, Galendromus flumenis (Chant) (Acari: Phytoseiidae), has shown promising traits for biological control of Banks grass mite, the major pest of date palms in California. In the present study, reproduction and population growth parameters of G. flumenis on Banks grass mite eggs were studied at 34ºC, 50±10% RH and a photoperiod of 16: 8 (L: D) hours. 100 percent of eggs hatched and 63.5 percent of the emerged larvae survived to adulthood. The total immature developmental time was 5.7 and 5.5 days for females and males, respectively. The sex ratio of G. flumenis was 0.70 (females/ females+ males). Mated females laid on average 1.6 eggs per day and 19.9 eggs during their mean ovipositional period of 12.5 days. The net reproductive rate (R 0 ) was 11.5 females/ female/ generation, the intrinsic rate of increase (r m ) was 0.200 females/ female/ day, the finite rate of increase (λ) was 1.222 population multiplication/ day, the mean generation time (T) was 12.2 days, and the doubling time (DT) was 3.5 days. The lower r m value of G. flumenis than that of its prey (0.24-0.48) explains why Banks grass mite escapes control by G. flumenis in field. These results suggest that augmentative release of this predator would offset the lower r m of the predator, thereby contributing to the control of Banks grass mite. Combined with the benefit of early releases determined in companion studies, future field studies with G. flumenis are being planned.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Figurementioning

confidence: 99%

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

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A life table analysis to evaluate biological control of banks grass mite using the predatory mite, Galendromus flumenis (Acari: Phytoseiidae)

Ganjisaffar

Perring

2017

saa

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Predation interactions among henhouse‐dwelling arthropods, with a focus on the poultry red mite Dermanyssus gallinae

Zriki

Blatrix

Roy

2020

Pest Management Science

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BACKGROUND: Analysis of the poorly explored food webs of henhouse-dwelling arthropods would improve biological control against the poultry red mite (PRM) Dermanyssus gallinae (De Geer). This study aimed to identify trophic links among native predatory arthropods, PRM, and alternative preys. In vitro predation tests were carried out to assess (i) the ability of native predators to feed on PRM juvenile and adult stages in two physiological statuses (unfed and freshly blood-fed) in the absence of any physical barrier, (ii) predator preferences between PRM and astigmatic mites, and (iii) predation interactions between PRM predators. RESULTS: Ten arthropod taxa fed on PRM with predation rates ranging from 4% to 95% in our experimental conditions. They belonged to (i) Acari: Androlaelaps casalis (Berlese), Cheyletus spp., Macrocheles muscaedomesticae (Scopoli), M. penicilliger (Berlese), Parasitus fimetorum (Berlese), Dendrolaelaps spp. and Uroobovella fimicola (Berlese); (ii) other Arachnida: Lamprochernes nodosus (Schrank) (Pseudoscorpionida) and a linyphiid spider; and (iii) Insecta: Lyctocoris campestris (Fabricius). These predators varied in their preference for PRM stages and physiological statuses (unfed or freshly blood-fed). When given a choice, most predators preferred to feed on PRM than astigmatic mites. Bidirectional predation occurred within two pairs of PRM predators (M. penicilliger-Lamprochernes nodosus and A. casalis-Cheyletus spp.), and M. penicilliger had a 100% predation rate on A. casalis. CONCLUSION: Our study highlights the potential of various arthropod predators occurring naturally in poultry houses for conservation and augmentative biological control of PRM. Predation interactions between these predators should be accounted for before developing biocontrol agents against PRM.

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Life history and functional response to prey density of the flower bug Orius sauteri attacking the fungivorous sciarid fly Lycoriella pleuroti

Wang¹,

Di²,

Chen³

et al. 2018

J Pest Sci

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Prey stage preference and functional response of the predatory mite Galendromus flumenis to Oligonychus pratensis

Cited by 58 publications

References 35 publications

A life table analysis to evaluate biological control of banks grass mite using the predatory mite, Galendromus flumenis (Acari: Phytoseiidae)

A life table analysis to evaluate biological control of banks grass mite using the predatory mite, Galendromus flumenis (Acari: Phytoseiidae)

Predation interactions among henhouse‐dwelling arthropods, with a focus on the poultry red mite Dermanyssus gallinae

Life history and functional response to prey density of the flower bug Orius sauteri attacking the fungivorous sciarid fly Lycoriella pleuroti

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