Dynamique des populations de<i>Phyllocnistis citrella</i>Stainton (1856) et impact de son complexe parasitaire en Algérie

Saharaoui, Lounes; Benzara, Abdelmadjid; Doumandji-Mitiche, Bahia

doi:10.1051/fruits:2001103

Cited by 4 publications

(4 citation statements)

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“…Ladybugs are recognized as excellent predators of aphids at all stages of their life, they constitute the essential entomophagous group in the regulation of aphid populations. (Saharaoui et al, 2001).Their density increases with that of their prey (Sahraoui and Hemptinne, 2009). The presence of natural enemies is linked to climatic conditions, food availability (aphids) and species richness of the flora.…”

Section: Discussionmentioning

confidence: 99%

und, in, die Interaktionen zwischen Blattläusen und Blattläusen in Zitrusplantagen in der Region Chlef (Nordwesten Algeriens)

AMOKRANE,

MOHAMMEDI,

Mahmoudi

et al. 2024

aas

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Ziel dieser Studie ist es, die verschiedenen Blattlausarten und ihre assoziierten Aphidiphagen in Zitrusplantagen in der Region Chlef (Algerien) zu erfassen und zu identifizieren, um die Interaktionen zwischen Prädation und Parasitismus im Hinblick auf die biologische Bekämpfung dieser furchterregenden Schädlinge zu verbessern. Für die Probenahme wurden gelbe Klebefallen, gelbe Becken und visuelle Bestimmung verwendet. Mit dieser Studie konnten wir sieben Blattlausarten und 34 Blattlausarten identifizieren. Die häufigsten Blattläuse waren A. spiraecola und A. gossypii, während die häufigsten Aphidiphagen Episyrphus balteatus, Chrysoperla carnea, Coccinella septempunctata, Aphidoletes aphidimyza und Lysiphlebus fabarum waren. In Bezug auf die Häufigkeit werden Aphidiphagen von Marienkäfern dominiert, gefolgt von Florfliegen, Schwebfliegen, Wanzen und Mücken an letzter Stelle. Die Vielfalt der aphidiphagen Fauna ist nicht sehr hoch, aber die höchsten Werte werden gegen Ende April festgestellt. Die Prädationsaktivität im Untersuchungsgebiet erstreckt sich von Ende März bis November. Aphidiphagen zeigen Präferenzen für bestimmte Beutetiere und nicht für andere, im Falle der Blattlausdiversität, sowohl nach intrinsischen als auch nach extrinsischen Faktoren. Schlüsselwörter: Blattläuse, Aphidiphagen, Zitrusfrüchte, natürliche Feinde, chlef.

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Section: Discussionmentioning

confidence: 99%

und, in, die Interaktionen zwischen Blattläusen und Blattläusen in Zitrusplantagen in der Region Chlef (Nordwesten Algeriens)

AMOKRANE,

MOHAMMEDI,

Mahmoudi

et al. 2024

aas

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“…This phytophagous pest attacks young, tender citrus leaves. Its outbreak can lead to defoliation of trees and arrested shoot development, while heavy attacks can significantly reduce the photosynthetic activity of infested leaves (SAHARAOUI, 1997;SAHARAOUI et al, 2001;KHECHNA et al, 2017;KHFIF, 2022). The larvae feed on the epidermal cells and dig silvery, sinuous mines along the leaves, causing them to curl up (SMITH et al, 1997).…”

Section: Introductionmentioning

confidence: 99%

“…The larvae feed on the epidermal cells and dig silvery, sinuous mines along the leaves, causing them to curl up (SMITH et al, 1997). One larva destroys 1 to 7 cm of leaf surface (SAHARAOUI et al, 2001). SOLTANI (2013), shows that the excessive and inappropriate use of conventional pesticides (broad spectrum of action, low selectivity) against pests has disrupted the natural balance of the agricultural ecosystem (including an effect on parasitoids and predators, secondary pest infestations and the phenomenon of pest resistance).…”

Section: Introductionmentioning

confidence: 99%

“…In addition, they present serious health risks for farmers and negative repercussions for the environment (contaminating air, soil and groundwater) (SOLTANI, 2013). Many countries infested by this pest have opted in particular for the introduction and acclimatization of entomophagous species, whose real effectiveness sometimes remains controversial (ARGOV and ROSSLER, (1998) In Algeria, apart from the species introduced in 1996 by the Institut National de Protection des Végétaux, only three parasitoids of P. citrella were known to date (SAHARAOUI et al, 2001).…”

Section: Introductionmentioning

confidence: 99%

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Estimation of the infestation rate and parasitism rate of the citrus leafminer Phyllocnistis citrella in a Thomson orchard near a greenhouse where beneficials are reared in Boufarik-Blida (Algeria)

Houda,

Soumia,

Selma

et al. 2023

Braz. J. Anim. Environ. Res.

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The citrus leafminer Phyllocnistis citrella causes severe damage to young citrus shoots in Algeria. It therefore indirectly delays fruit set and consequently production and crop profitability. The endophytic lifestyle of the insect's larvae has made chemical control difficult, making the use of other control agents essential. To this end, a study on the population dynamics of Phyllocnistis citrella and the incidence of the parasite was carried out for 08 months in 2021 (from January to August 2021) in the Boufarik-Blida region (Algeria) on the Thomson variety. The main results gathered from the sampling show that the parasitism rate reached 68% and the infection rate 39%, due to the intervention of auxiliaries (Semielacher petiolatus, Cirostichus phyllocnistoides) from the greenhouse where these species are reared near the Thomson orchard. The citrus leafminer population is declining. Parasite brokering has a positive effect on the defense against Phyllocnistis citrella and represents an effective method of reinforcing biological control of this pest. In addition, the installation of mini greenhouses for the rearing of beneficials in orchards infested by citrus leafminer can be proposed as a means of reinforcing biological control. Moreover, regional containment is a healthy alternative in the context of integrated pest management, helping the ecosystem to reduce pollution. For this reason, it is worthwhile scheduling containment periods in agricultural regions.

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Population dynamic monitoring of Phyllocnistis citrella (Lepidoptera: Gracillariidae) using immature stages sampling and male moth pheromone-baited traps

Dahmane

Chakali

2022

Int J Trop Insect Sci

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Dynamique des populations dePhyllocnistis citrellaStainton (1856) et impact de son complexe parasitaire en Algérie

Abstract: Dynamics of the populations of Phyllocnistis citrella Stainton (1856) and impact of its parasitic complex in Algeria.

Cited by 4 publications

References 2 publications

und, in, die Interaktionen zwischen Blattläusen und Blattläusen in Zitrusplantagen in der Region Chlef (Nordwesten Algeriens)

und, in, die Interaktionen zwischen Blattläusen und Blattläusen in Zitrusplantagen in der Region Chlef (Nordwesten Algeriens)

Estimation of the infestation rate and parasitism rate of the citrus leafminer Phyllocnistis citrella in a Thomson orchard near a greenhouse where beneficials are reared in Boufarik-Blida (Algeria)

Population dynamic monitoring of Phyllocnistis citrella (Lepidoptera: Gracillariidae) using immature stages sampling and male moth pheromone-baited traps

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