L. Mdellel

L. Mdellel

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58
Publications
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157
Citations
Citations since 2017
33 Research Items
116 Citations
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2017201820192020202120222023010203040
2017201820192020202120222023010203040
2017201820192020202120222023010203040

Publications

Publications (58)
Chapter
Aphids are among the most obnoxious pests of almond and peach in Tunisia. Accurate control of these insect pests requires the determination of their major species as well as the thorough understanding of the biology and identification of their major natural enemies. The scope of this chapter is to identify the main aphid species infesting almond an...
Chapter
Aphids are among the most obnoxious pests of almond and peach in Tunisia. Accurate control of these insect pests requires the determination of their major species as well as the thorough understanding of the biology and identification of their major natural enemies. The scope of this chapter is to identify the main aphid species infesting almond an...
Article
This study was undertaken to evaluate the biodiversity of aphids and their associated natural enemies under organic farming in Organic Farming Research Center at Qassim in Kingdom of Saudi Arabia (KSA) throughout 2019/2020 using 15 horticultural crops. Five aphid species (Aphis gossypii Glover, Myzus persicae Sulzer, Toxoptera citricida Kirkaldy, A...
Article
This study aimed to determine the percentage infestation and population parameters of the green peach aphid Myzus persicae under laboratory conditions and evaluate the effect of aqueous extracts of three different plants (pot marigold: Calendula officinalis, mint: Mentha viridis and rosemary: Salvia rosmarinus) on the mortality of this aphid. Extra...
Book
L’arboriculture fruitière en Tunisie est le siège d’une diversité et une richesse faunistique notable concernant les ravageurs pucerons (Insecta, Hemiptera, Sternorhynqua, Aphididae). D’ailleurs les prospections ont permis de mentionner la présence de 4 sous familles (Aphidinae, Eriosomatinae, Greenideinae, Lachninae) avec 17 espèces. La sous fami...
Article
en This is the first report of the psyllid species, Heterotrioza chenopodii (Reuter, 1876), in Tunisia. This species was collected in November 2019 on Chenopodium album growing in the greenhouse of the Higher School of Agriculture, Kef, Northwestern Tunisia. Elements of colouration of adults and immatures are reported in this paper and consideratio...
Article
Full-text available
In June 2016, abnormal growth and rolling of young leaves of bay laurel, Laurus nobilis, were observed in private gardens and in ornamental nurseries near Sousse (Tunisia). Symptomatic plants were examined, and insects present on leaves were collected and identified as the bay sucker Trioza alacris Flor (Hemiptera: Triozidae). Information on the na...
Article
Full-text available
Pauesia antennata Mukerji is a specific parasitoid of the brown peach aphid Pterochloroides persicae Cholodkovsky which causes severe damage on almond and peach in Tunisia. To control this pest, P. antennata was collected from Iran, introduced to Tunisia in 2011 and some of their biological parameters were studied in laboratory conditions. Therefor...
Article
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One of the proposed solutions to face climate change impact and to maintain food production sustainability is conservation agriculture. This study tries to determinate the effect of conventional tillage (CT) and no tillage (NT) on secondary metabolites such as total phenolics content (TPC), total flavonoids content (TFC) and antioxidants capacity (...
Article
Conservation agriculture has been proposed as an alternative to conventional agriculture to mitigate the climate change impact and ensure food security. This study examined the effect of conventional tillage (CT) and no tillage (NT) on mycorrhization and mineral elements uptake of durum wheat for three cultivation years during the tillering stage....
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en In October 2019, unusual damage was observed on Carissa macrocarpa (Apocynaceae) fruit at the ornamental nursery of the Higher Agronomic Institute (ISA CM), Chott Mariem (Sousse, Tunisia). Samples of fruit were collected and brought to the laboratory for observation and rearing. After a few days, adult flies emerged from infested fruit. Zaprionu...
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During January 2019, mealybugs were observed on branches of olive trees (Olea europaea, L.) for the first time at Nebeur and Charket Saboune (Governorate‐Kef, Tunisia). Samples were collected and brought to the laboratory for identification. The mealybug species was identified based on its morphological characteristics as Pollinia pollini (Costa, 1...
Article
During 2017 and 2018, from June to October, leaf galls were observed for the first time on Sonchus oleraceus L. (Asteraceae), sow thistle, in Akouda‐Sousse, Tunisia. Leaves with galls were collected and brought to the laboratory. After a few days, adults emerged from the leaf galls. Morphological identification showed the emerged gall midges to be...
Article
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In April 2017, curling leaves were seen on Ruta graveolens L. (Rutacea) for the first time in an ornamental nursery at Chott Mariem (Governorate‐Sousse, Tunisia). Samples of the symptomatic leaves were collected and brought to laboratory for identification of the insect pests present. Morphological identification showed the presence of various life...
Article
Full-text available
en In May 2017 and 2018, Planococcus vovae (Nasonov) (Hemiptera: Pseudococcidae) was collected in Hammam Sousse (Tunisia) on the ornamental plant Cupressus macrocarpa (Cupressaceae). The infestation was observed on needles which showed symptoms of desiccation and chlorosis. This is the first record of P. vovae in Tunisia and in North Africa. Plano...
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fr Lors de l'étude de la dynamique de populations de pucerons du pin d'Alep, Pinus halepensis, dans la région de Chott Mariem, Eulachnus tuberculostemmatus Theobald a été collecté. Il s'agit du premier signalement de cette espèce en Tunisie. Eulachnus tuberculostemmatus on Alepo pine in Tunisia en During a study on the population dynamics of aphid...
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Full-text available
Aphids are important pests of pepper and their abundance may be influenced by fertilizers. To address the influence of compost fertilizers on the morphology and biology of Myzus persicae Sulzer, an experiment was carried out in 2014/15 on pepper plants cultivated in a greenhouse. Five treatments using four types of composts (C1, C2, C3, and C4), a...
Article
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en In September 2016 and 2017, Ferrisia virgata Cockerell (Hemiptera: Pseudococcidae), the striped mealybug, was collected on Lantana camara (Verbenaceae) in Khezama City (Governorate Sousse, Tunisia). The mealybug was observed on leaves and shoots and also on the flowers. This is the first record of F. virgata in Tunisia and in North Africa. Brief...
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en In a study on the population dynamics of insect pests on Pinus halepensis in Chott Mariem, two specimens of the harlequin ladybird, Harmonia axyridis, were found. This is the first record of this species in Tunisia. Signalement de Harmonia axyridis en Tunisie fr Lors d'une étude sur la dynamique des populations des insectes ravageurs de Pinus h...
Article
Full-text available
The Aphidiinae (Hymenoptera: Braconidae) are solitary endoparasitoids and koinobionts which are frequently used as biological control agents against aphids. Six aphidiine genera and 15 parasitoid species from 18 aphid taxa occurring on 42 plant taxa belonging to 18 botanic families were identified and 49 parasitoid-aphid associations are reported....
Chapter
Pomegranate is one of the important horticultural product throughout the Tunisian continent. The pomegranate trees are susceptible to several insect species that decrease the quality and quantity of its product, among which aphid is considered the most serious one. In this chapter, Aphis punicae Pass (hemiptera, Aphididae) on pomegranate trees, its...
Book
Les pucerons sont des ravageurs clés des cultures dans les agroécosytèmes méditerranéens. Par ce travail, l’identification et la reconnaissance de ces bioagresseurs au niveau du pêcher et du grenadier ainsi que leurs agents de régulation est plus aisée pour les professionnels. Un aperçu sur les principaux pucerons de point de vue biologie et morpho...
Article
Full-text available
Cet article signale pour la première fois la présence de Siphonatrophia cupressi (Swain, 1918) (Hemiptera: Aphididae) en Tunisie sur Cupressus sempervirens L. (Cupressaceae). Une brève description de sa distribution et parasitoïdes associés est donnée.
Article
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Résumé. Impact de la taille d’hiver de grenadier sur Aphis punicae (Hemiptera, Aphididae) et leurs ennemies naturels en Tunisie. La taille hivernale est une technique culturale utilisée pour modifier la croissance végétative et qui est susceptible d’affecter le développement des ravageurs. Toutefois, elle a été mal définie comme une méthode de cult...
Article
Full-text available
Symptoms of mycosis of Pterochloroides persicae (Cholodkovsky 1899) (Hemiptera, Aphididae) in a peach and almond orchard were recorded in April 2011. The causal agent was morphologically identified. Polymerase chain reaction (PCR) of the internal transcribed spacer region (ITS1 and ITS4) was used for molecular identification and verification of the...
Article
Full-text available
The pomegranate aphid Aphis punicae Pass (Hemitera, Aphididae) is among the serious and widespread pest in pomegranate orchards resulting serious economic damages. Commonly, biological parameters are used to compare insect fitness on different cultivars of pomegranate. Effect of rearing of Aphis punicae on eight cultivars of pomegranate (Chefli, Ka...
Article
Full-text available
Pauesia antennata Mukerji (Hymenoptera, Braconidae) as the unique parasitoid of the giant brown peach aphid, Pterochloroides persiace Cholodkovsky (Hemiptera, Aphididae) is considered to be the most effective biological control agent of this pest. In this study, the assessment of selected biological parameters of P. antennata demonstrated that the...
Article
Full-text available
During the summer and autumn of 2014 the mealybugs Maconellicoccus hirsutus (Green, 1908) (Hemiptera: Pseudococcidae) and Phenacoccus peruvianus Granara de Willink, 2007 (Hemiptera: Pseudococcidae) were observed in different localities of Sousse (Tunisia). This is the first record for both of these species in Tunisia and in North Africa. For M. hir...
Article
Full-text available
Individuals of Pterochloroides persicae reared under controlled conditions were used to describe the morphometry and biological parameters of instars of this aphid. Our results showed that P. persicae developed four instars before reaching the adult stage. The first and the second larval instars both have five antennal segments, although the others...
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Morphological differentiation of insect population in relation to the use of different host plants is an important phenomenon that leads to ecological specialization. In this study, we describe the morphological variation of Pterochloroides persicae Cholodkovsky 1899 individuals originating from three host-plants, peach, almond and plum, from two l...
Article
Full-text available
Morphological differentiation of insect population in relation to the use of different host plants is an important phenomenon that leads to ecological specialization. In this study, we describe the morphological variation of Pterochloroides persicae Cholodkovsky 1899 individuals originating from three host-plants, peach, almond and plum, from two l...
Article
Full-text available
Morphometric studies are often carried out on different aphid taxa in order to analyze population variation in relation with different factors, such as host plant, temperature and geography, which have a significant effect on aphid morphology. The brown peach aphid Pterochloroides persicae Cholodkovsky (Hemiptera, Aphididae), is a widespread pest o...
Article
Full-text available
Aphid apple species and its natural enemies were monitoring in 2013 and 2015 in two different orchards in order to study the species composition and seasonal abundance of aphids as well as to record the populations of their natural enemies. The aphid species Aphis pomi De Geer (Hemiptera: Aphididae), Dysaphis plantaginea (Passerini) (Hemiptera: Aph...
Chapter
A regular prospection was carried out from 1993 to 2014 to identify the ladybeetles predators of fruits trees and vegetables crops aphids in Tunisia. The study allows detecting five Coccinellids with a frequency of 6% were the most abundant predators: Scymnus aptezi Mulsant, Oenopia doublieri Mulsant Hippodamia variegata Goeze, Coccinella undecimpu...
Article
Full-text available
The green peach aphid Myzus persicae Sulzer (Hemiptera, Aphididae) is an important pest of pepper, Capsicum annum (Solanaceae), with infestations by this aphid resulting in serious economic damage. Commonly, biological parameters are used to compare insect fitness on different varieties of pepper. Effect of rearing M. persicae on nine varieties of...
Conference Paper
L’étude de l’influence l’azote et du potentiel de sève du phloème sur l’établissement de Pterochloroides persicae Chlodovsky a montré la présence de l’aphide sur pêcher à partir d’une teneur d’azote supérieure à 53mg/kg. Nos résultats ont montré qu’une pression de sève supérieure à -7 bar favorise l’établissement de l’aphide. Cependant, le phosphor...
Conference Paper
En matière de superficie, la culture de pommier en Tunisie et en Algérie a connu une grande évolution ces dernières années mais les rendements demeurent faibles comparativement aux pays de la rive nord de la méditerranée. Parmi les ravageurs qui portent atteinte à cette culture dans ces deux pays, il y a surtout les pucerons. Pour cette raison, une...
Article
Full-text available
In August 2013, Phenacoccus madeirensis Green, (Hemiptera: Pseudococcidae) was identified for the first time in Tunisia, in the region of Akouda (Sousse, coastal area of Tunisia) on Cestrum nocturnum (Solanaceae) during a survey. The infestation was observed on leaves, shoots and also on the collar. This is the first record of P. madeirensis in Tun...
Article
Full-text available
A study from 2006 documented the occurrence of natural enemies associated with colonies of Hyalopterus species in cultivated Prunus sp. and Phragmites sp. at different sites in Tunisia. Parasitic organisms were represented by an hymenopteran endoparasitoid Aphidius transcaspicus, an ectoparasitic mite that belongs to the Trombidiid family and an en...
Article
Full-text available
Laboratory studies were conducted to determine the efficiency of Coccinella algerica Kovàr (Coleoptera: Coccinellidae) against Pterochloroides persicae (Cholodkovsky) (Hemiptera: Lachninae) and compared against Acyrthosiphum pisum Harris (Hemiptera: Aphidinae). Feeding on P. persicae had a significant effect on predation rate by either fourth stage...
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Full-text available
Abstract Pterochloroides persicae (Cholodkovsky) is an aphid species belonging to the subfamily Lachninae that uses different members of Rosaceae (specially Prunus spp.) as hosts. Partial sequences from the mitochondrial cytochrome c oxidase 1 (COI) and the nuclear long-wave opsin genes were obtained for approximately 100 P. persicae aphid individu...
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Full-text available
Four aphid species are known to colonize peach and almond in Tunisia: Hyalopterus pruni species complex, Myzus persicae Sulzer, Brachycaudus amygdalinus Shouteden and Pterochloroides persicae Cholodkovsky. Eggs identification, date of lay and effect of orientation on egg laying were described. Brief information about biology, preferential host, dis...
Article
Full-text available
This work aimed to study the population behaviour and distribution of brown peach aphid (Pterochloroides persicae) on different host trees. Five host plants were identified (peach, almond, plum, apricot and apple) and two behaviours were observed in which aphid could be maintained all-year round on peach in irrigated orchards and a sub-humid climat...
Article
Full-text available
Aphis illinoisensis Shimer is recorded for the first time on Vitis vinifera in Tunisia. A brief description of its morphology, biology and distribution is given in this paper.

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