Dalila HAOUAS

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Prof. Dr. Nabil Elwakeil

National Research Centre

Abhay kumar Pandey

Yasemin Yücel Yücel

Hyungwook KWON

Incheon National University

Iman Husseiny

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Papers by Dalila HAOUAS

Insecticidal activity of some Asteraceae plant extracts against Tribolium confusum

Bulletin of …, 2008

Sixteen aromatic plant extracts from three species belonging to the Asteraceae family, were obtai... more

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Insecticidal activity of some Asteraceae plant extracts against Tribolium confusum

Bulletin of …, 2008

Sixteen aromatic plant extracts from three species belonging to the Asteraceae family, were obtai... more

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Occurrence of new case-bearer on cereals, "Coleophora perplexella" Toll, 1960 (Lepidoptera: Coleophoriedae)

Shilap-revista De Lepidopterologia, 2019

Coleophora perplexella Toll, 1960 it is native of Spain and Portugal, but it has detected out of ... more Coleophora perplexella Toll, 1960 it is native of Spain and Portugal, but it has detected out of its origin area, and was found in Sardinia, Morocco and Algeria without its host plant being identified. Recently has been observed in France (Toulon) on Hordeum murinum L. and Bromus sterilis L. (Poaceae). However, it was never cited among the Tunisian entomofauna. In addition, C. perplexella was never known as agricultural pest in its area or elsewhere. Moreover, no deep studies diagnosis and biology were conducted. This paper is a first study on C. perplexella, detected as an agricultural pest on oat (Avena sativa L., 1753) and barely (Hordeum vulgare L., 1753) making serious damages on early seedlings. Besides, a description and illustrations of different biological stage was provided. Results highlight a difference between the appearance dates of emerged new adults under both controlled and ambient conditions. According these results we can conclude on adaptation plasticity to the environmental conditions. In fact, C. perplexella can survive and cause damage at temperature between 7-10º C from December to February, and 23-25º C of controlled conditions.

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Investigation of bio-insecticidal activity of two aromatic essential oils against Tribolium castaneum (Herbst) (Coleoptera, Tenebrionidae)

Bio-insecticidal activities of halophytic plant extracts against Tribolium confusum (Coleoptera, Tenebrionidae)

Communications in agricultural and applied biological sciences, 2005

Salt marsh plants were tested for their insecticidal activities against larvae of the confused fl... more Salt marsh plants were tested for their insecticidal activities against larvae of the confused flour beetle Tribolium confusum (Tenebrionidae). 16 aerial part extracts were obtained using organic solvents of increasing polarity and tested for their anti-feedant and toxicity effects. Responses varied with plant material and extract type. Ethyl acetate extracts of F. laevis, S. echioides and. T. boveana and petroleum ether extract of F. laevis presented, anti-feedant property. However, S. fructicosa seemed to be attractive to the tested flour beetle. Mortalities of 97, 87, 97 and 80% were observed by using respectively ethyl acetate extracts of F. laevis, S. echioides and T. boveana and petroleum ether extract of F. laevis, when applied at a dose of 1%, mixed with the insect diet. This preliminary study showed that F. laevis, S. echioides and T. boveana presented potential bio-insecticidal activity with ethyl acetate extracts, similar result was found with petroleum ether extract of F...

Insecticidal activities of Tunisian halophytic plant extracts against larvae and adults of Tribolium confusum

Salt marsh plants were tested for their insecticidal activities against adults and larvae of Trib... more Salt marsh plants were tested for their insecticidal activities against adults and larvae of Tribolium confusum. Sixteen aerial part extracts of Frankenia laevis, Statice echioides, Suaeda fructicosa and Tamarix boveana were obtained using organic solvents of increasing polarity and tested for their insect growth, antifeedant and toxicity effects. Responses varied with plant material, extract type, insect stage and exposition time. Larval growth inhibition was significantly induced by chloroformic, ethyl acetate extracts of F. laevis, S. echioides and T. boveana, and petroleum ether extract of F. laevis. On the other hand, all extracts of S. fructicosa and the methanolic ones of the four plants tested didn't show any significant activity. In addition, ethyl acetate extracts of F. laevis, S. echioides and T. boveana and petroleum ether extract of F. laevis presented antifeedant property. S. fructicosa seemed to be, however, slightly attractive to the flour beetle. For all extracts, mortality was higher for larvae than adults. By using ethyl acetate extracts of F. laevis, S. echioides and T. boveana, and petroleum ether extract of F. laevis, mortality reached respectively 97, 87, 97 and 80%, when applied at a dose of 1%, mixed with the insect diet.

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Insecticidal Activities of Flowerheads of Anacyclus cyrtolepidioides Pomel Growing in Tunisia Against Tribolium confusum du Val

Journal of Entomology, 2008

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Pests Control and Acarology

Pests Control and Acarology, 2019

She teaches Agricultural Entomology and Zoology. Her research interests include invasive and emer... more She teaches Agricultural Entomology and Zoology. Her research interests include invasive and emergent insects on crops, botanical extracts and products for insect pest management. She has published articles in many international journals such as Industrial Crops and Products, Journal of Pest Science, Chemistry and Biodiversity, Bulletin OEPP/EPPO Bulletin, and Shilap-Revista De Lepidopterologia. She has also presented many papers at conferences, both locally and abroad. She is a reviewer of articles and chapters in impacted and indexed international journals.

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Identification d'un dérivé de polyacetilène de spiroketole enol éther du Chrysanthemum macrotum L

Étude chimique et potentialités bio-insecticide du genre Chrysanthemum

Une etude de la repartition et l’identification des especes de Chrysanthemum en Tunisie a ete rea... more Une etude de la repartition et l’identification des especes de Chrysanthemum en Tunisie a ete realise. Au cours du quelle nous avons pu identifier neuf sur treize especes. L’ingestion de la poudre ou des extraits par les chenilles de Spodoptera littoralis etait la source d’une activite anti-appetante, un ralentissement de la croissance, un allongement du temps de developpement des chenilles, des difficultes de la mue larvaire et nymphale, une diminution du poids des chrysalides et des malformations des nymphes, des chrysalides et des adultes neoformes. L’etude chimique de l’extrait des feuilles de C. macrotum a permis d’identifier un derive du polyacetylene spiroketol enol ether. Cette famille de polyacetylene est caracterisee par une activite photo-toxique. L’etude de la composition chimique des huiles essentielles des especes de Chrysanthemum et leur activite insecticide contre Tribolium confusum ont montre leur richesse en composes terpeniques, particulierement des mono- et sesqu...

Insecticidal and anti-appetent activities of four Chrysanthemum species against Tribolium confusum Du Val (Coleoptera: Tenebrionidae)

Natural Mediterranean Plants Products: A Sustainable Approach for Integrated Insect Pests Management

Springer Water

Plants produce two kinds of natural products commonly termed “primary metabolites”, which are ind... more Plants produce two kinds of natural products commonly termed “primary metabolites”, which are indispensable for plant growth and “secondary metabolites” that were previously considered as “waste products” without any physiological function for the plant. However, recent studies highlight their usefulness in plant defense against pathogens and insects herbivores and their role in beneficial insects attraction such us pollinators and auxiliaries. The secondary metabolites are classified into three different groups according to their biosynthetic origin: terpenoids, alkaloids and phenylpropanoids which each one was characterized with a specific mode of action against specific pest insects. Moreover, the natural products concentration depends largely in plant species. Recently, plant products are exploited for their benefit potential in crop protection thanks to their low toxicity to non-target organisms such as humans and auxiliaries, their effectiveness and environmental respect. The integration of plant products in pest management strategies would enhance sustainable agriculture and prevent loss in terms of both quality and quantity. This chapter provides an overview about the diversity of secondary metabolites in Mediterranean plants and their multifarious biological functions in crops protection against pests.

First record of Heterotrioza chenopodii (Reuter, 1876) (Hemiptera: Psylloidea: Triozidae) in Tunisia

EPPO Bulletin

Pollinia pollini (Costa, 1857) (Hemiptera, Asterolecaniidae) infesting olive trees: a first record in Tunisia

EPPO Bulletin

During January 2019, mealybugs were observed on branches of olive trees (Olea europaea, L.) for t... more 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, 1857) (Hemiptera, Asterolecanidae). This is the first report of this species in Tunisia.

Nysius cymoides (Heteroptera, Lygaeidae), an emerging insect pest in Tunisia

EPPO Bulletin

In June 2018 a serious infestation of chilli pepper plants and tomato seedlings was observed whic... more In June 2018 a serious infestation of chilli pepper plants and tomato seedlings was observed which caused major crop losses. This infestation was caused by Nysius cymoides (Heteroptera: Lygaeidae: Orsillinae). The insect was also seen nearby on barley and oilseed rape as well as on newly planted olive trees, acacia and some weeds. This is the first observation of such insect damage in Tunisia. A brief description of its morphology and the damage caused is given. The false chinch bug was treated with an imidacloprid‐based insecticide.

Variation of chemical composition in flowers and leaves essential oils among natural population of TunisianGlebionis coronoria(L.) Tzvelev (Asteraceae)

Chemistry & Biodiversity, 2016

Percentage and constituents variations were registered in flowers and leaves essential oil of thr... more Percentage and constituents variations were registered in flowers and leaves essential oil of three Glebionis coronaria (L.) Tzvelev population growing wildly in three different ecotypes (Utique, M&amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;amp;#39;saken and Sahara Lektar) in Tunisia. The chemical compositions of those essential oils were analyzed by GC and GC/MS system. Qualitative and quantitative differences were recorded between essential oils extracted from plants collected from the three geographical provinces and between organs of the same plant (leaves and flowers). In fact, 161 components representing 87.2-96.5% of the whole oils were identified. Myrcene (3.2-35.7%), (Z)-β-ocimene (0.6-23.0%), camphor (0.6-17.2%), cis-chrysanthenol (0-6.9%), cis-chrysanthenyl acetate (1.1-17.9%), isobornyl acetate (1.6-3.5%), (E)-β-farnesene (0-6.0%), germacrene D (0-8.7%) and (E,E)-α-farnesene (0.7-12.4%) were the predominant components in the oils. These major constituents occur in different amounts depending on the organs (leaves or flowers) and the geographical origin of the plant. The chemotaxonomic usefulness of these data was discussed according to results of principal component analysis (PCA). The scores, together with the loadings, revealed a different chemical pattern for each population. This article is protected by copyright. All rights reserved.

Etude des potentialités insecticides de trois espèces de Chrysanthemum (Astéracée) chez Spodoptera littoralis Boisduval (Lepidoptera, Noctuidae)

Trois espèces de Chrysanthemum sont testés pour leurs activités biologiques sur Spodoptera littor... more Trois espèces de Chrysanthemum sont testés pour leurs activités biologiques sur Spodoptera littoralis Boiduval. Nous avons suivi l’addition de poudre de feuilles de Chrysanthemum coronarium L., Chrysanthemum segetum L. et Chrysanthemum Myconis L., à différentes concentrations (4, 8 et 16%) dans l’alimentation des noctuelles. Cette addition induit un allongement du développement post-embryonnaire, du à un effet perturbateur de la mue, probablement causé par des analogues d’hormones juvéniles. De plus les différentes espèces de Chrysanthemum ont montré une activité anti-appétante. Cette action est déterminée par le suivi de la quantité consommée, du poids des chenilles. C. coronarium présente une activité plus significative que C. segetum et C. Myconis. Les substances responsables de cette anti-appétance méritent d'être mises au point.

Bioactivities of the flowers powders of seven species of Chrysanthemum on the larvae of Spodoptera littoralis (Boisduval)

We have screened seven Chrysanthemum species, collected from different biotope in Tunisia for the... more We have screened seven Chrysanthemum species, collected from different biotope in Tunisia for the antifeeding and growth regulatory activity against S. littoralis (Lepidoptera: Noctuidae) an insect pest of tomato. The flowers powder was added to the Poitout and Bues (1974) artificial Diet at three concentrations: 4, 8, and 16%. After ten days of treatment, the consumed quantity determination revelled that these species have an antifeeding activity proportional to the concentration, more considerable for the C. fuscatum and C. Myconis flowers powder. At the concentration of 16% the larvae weight was significantly delayed in the average time to the control, these results were compared to the effect of Cestrum parquii on S. littoralis and Pieris brassicae The moulting date determination showed an elongation of the third, fourth and fifth stages at the high concentration probably due to the presence of juvenile hormones Analogues.

Chemical Composition of Ruta chalepensis Essential Oils and their Insecticidal Activity against Tribolium castaneum

DESCRIPTION Essential oils are secondary plant metabolites well known for their defensive role in... more DESCRIPTION Essential oils are secondary plant metabolites well known for their defensive role in plants. Many essential oils were described as having potent insecticidal activity. In the present work, the chemical composition and the insecticidal activity of Ruta chalepensis essential oils against stored product pest Tribolium castaneum (adults and larvae) were investigated. The determination of their chemical composition was carried out by using GC-MS technique. Twenty compounds were identified and results showed that essential oil of R. chalepensis are rich on 2-undecanon (48.28%) and 2-nonanon (27%). The insecticidal activity of the indicated volatile fractions was screened against adults and larvae of T. castaneum. R. chalepensis essential oil was found to be more active against adults (LC50 = 176.075 μl/l air and LC90 = 291.9 μl/l air) than larvae (LC50= 415.348 μl/l air and LC90=685.907 μl/l air). After 24 h of exposure at the dose of 200 μl/l air, 14% and 60% of mortality we...

First report of Corythauma ayyari (Drake) (Hemiptera: Tingidae) on Arabian and Spanish jasmine in Tunisia

EPPO Bulletin, 2015

Insecticidal activity of some Asteraceae plant extracts against Tribolium confusum

Bulletin of …, 2008

Sixteen aromatic plant extracts from three species belonging to the Asteraceae family, were obtai... more

Download

Insecticidal activity of some Asteraceae plant extracts against Tribolium confusum

Bulletin of …, 2008

Sixteen aromatic plant extracts from three species belonging to the Asteraceae family, were obtai... more

Download

Occurrence of new case-bearer on cereals, "Coleophora perplexella" Toll, 1960 (Lepidoptera: Coleophoriedae)

Shilap-revista De Lepidopterologia, 2019

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Investigation of bio-insecticidal activity of two aromatic essential oils against Tribolium castaneum (Herbst) (Coleoptera, Tenebrionidae)

Bio-insecticidal activities of halophytic plant extracts against Tribolium confusum (Coleoptera, Tenebrionidae)

Communications in agricultural and applied biological sciences, 2005

Insecticidal activities of Tunisian halophytic plant extracts against larvae and adults of Tribolium confusum

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Insecticidal Activities of Flowerheads of Anacyclus cyrtolepidioides Pomel Growing in Tunisia Against Tribolium confusum du Val

Journal of Entomology, 2008

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Pests Control and Acarology

Pests Control and Acarology, 2019

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Identification d'un dérivé de polyacetilène de spiroketole enol éther du Chrysanthemum macrotum L

Étude chimique et potentialités bio-insecticide du genre Chrysanthemum

Insecticidal and anti-appetent activities of four Chrysanthemum species against Tribolium confusum Du Val (Coleoptera: Tenebrionidae)

Natural Mediterranean Plants Products: A Sustainable Approach for Integrated Insect Pests Management

Springer Water

First record of Heterotrioza chenopodii (Reuter, 1876) (Hemiptera: Psylloidea: Triozidae) in Tunisia

EPPO Bulletin

Pollinia pollini (Costa, 1857) (Hemiptera, Asterolecaniidae) infesting olive trees: a first record in Tunisia

EPPO Bulletin

Nysius cymoides (Heteroptera, Lygaeidae), an emerging insect pest in Tunisia

EPPO Bulletin

Variation of chemical composition in flowers and leaves essential oils among natural population of TunisianGlebionis coronoria(L.) Tzvelev (Asteraceae)

Chemistry & Biodiversity, 2016

Etude des potentialités insecticides de trois espèces de Chrysanthemum (Astéracée) chez Spodoptera littoralis Boisduval (Lepidoptera, Noctuidae)

Bioactivities of the flowers powders of seven species of Chrysanthemum on the larvae of Spodoptera littoralis (Boisduval)

Chemical Composition of Ruta chalepensis Essential Oils and their Insecticidal Activity against Tribolium castaneum

First report of Corythauma ayyari (Drake) (Hemiptera: Tingidae) on Arabian and Spanish jasmine in Tunisia

EPPO Bulletin, 2015

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