The Egyptian Thripid Species in Olive Groves at Ismaialia, Egypt

Agamy, E. A.; El-Husseini, Moni M.; Sebaey, Iman I. El; Wafy, Maaly E.

doi:10.21608/eajb.2017.12180

Cited by 3 publications

(8 citation statements)

References 3 publications

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“…and Pseudodendrothrips mori were placed in the same clade. This result agree with the morphological studies carried out by other authors (Mound, 1999;Alavi, 2014;Balou and Dosty, 2015 ;Mound andTree, 2016 andAgamy et al, 2017) which reported that both genus Dendrothrips and Pseudodendrothrips were classified under the same subfamily Dendrothripinae. While, Aptinothrips rufus was placed under the other subfamily (Thripinae).…”

Section: Dendrothrips Eremicola Priesenersupporting

confidence: 93%

“…The images and classification of species are given in Figures (1-4). The studied species were previously identified by morphological characters (Agamy et al, 2017). The data analysis showed that nucleotide sequence of 18s rDNA of the three tested samples were similar in size 700 bases ( Figure 5).…”

Section: Identification Of Studied Speciesmentioning

confidence: 77%

“…Phylogenetic analysis of 18S rDNA strongly supports the morphological studies of Thysanoptera. Whereas, it emphasis the relation between species based on morphological characters obtained perversely by Agamy et al (2017).…”

Section: Resultsmentioning

confidence: 99%

“…In 2009, the thrips species, Dendrothrips eremicola Priesner occurred as an outbreak on olive trees in some locations in Egypt (El-Kholy et al, 2009). So, this study aimed to identify thrips species on olive trees using molecular features supported a previous morphological study by Agamy et al (2017) on the same species. Furthermore, the present study is considered as the first one on the molecular identification of olive thrips in Egypt.…”

Section: Introductionmentioning

confidence: 93%

“…These results are compatible with the study of Buckman et al (2013), whereas the phylogenic tree showed a strong relation between the above species (88%). The above species were derived from the same subfamily Sericothripinae according to morphological studies done by (Mound and Tree, 2009;Minaei, 2013;Poorkashkooli et al, 2015 andAgamy et al, 2017).…”

Section: Hydatothrips Kassimianus (Priesener)mentioning

confidence: 99%

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Molecular Identification of Thripids Attacking Olive Groves at Ismailia, Egypt

Agamy

El-Husseini

Sebaey

et al. 2017

Egyptian Academic Journal of Biological Sciences. A, Entomology

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A little attention has been given on molecular identification of thrips (Insecta: Thysanoptera) in Egypt. Thus, the primers ITS4A, 28S rRNA, 18S rRNA and the primer pairs COI-1 + COI-2 + COI-3 were used to identify the three dominant thrips species (Haplothrips cahirensis karny; Dendrothrips eremicola Priesener and Hydatothrips kassimanus Priesener). The samples were collected from a private olive grove during 2013 and 2014 at Ismailia governorate, Egypt. DNA sequence data for 28S rRNA gene showed a positive response to H. cahirensis and D. eremicola only, while 18S rRNA reacted with all species. ITS4A and COI-1 + COI-2 + COI-3 showed a negative response to the studied species. DNA sequences of the species based on 18S rRNA were recorded in the Gene Bank. The phylogenetic tree of the three thrips species was given also.

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Section: Dendrothrips Eremicola Priesenersupporting

confidence: 93%

Section: Identification Of Studied Speciesmentioning

confidence: 77%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 93%

Section: Hydatothrips Kassimianus (Priesener)mentioning

confidence: 99%

See 3 more Smart Citations

Molecular Identification of Thripids Attacking Olive Groves at Ismailia, Egypt

Agamy

El-Husseini

Sebaey

et al. 2017

Egyptian Academic Journal of Biological Sciences. A, Entomology

Self Cite

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Assessment of Thrips Diversity Associated with Two Olive Varieties (Chemlal & Sigoise), in Northeast Algeria

2023

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In this study, the diversity of thrips (Insecta: Thysanoptera) on two varieties of olive trees (Chemlal and Sigoise) in northeast Algeria (Province of Batna), was evaluated for 3 years (2019–2021). In addition, the fluctuations in the numbers of phytophagous thrips were estimated according to the varieties phenological stages. A total of 19 species are identified and the olive thrips (Liothrips oleae) have just been reported for the first time in Algeria. Only 5 females of this species were collected in May 2021 on the Sigoise variety at the fruit-setting stage. Haplothrips tritici(17.25%), Frankliniella occidentalis (16.29%) and Thrips tabaci (16.29%) are the most present. It is noticed that the thrips were present on the olive tree only in spring (April to May), when the average monthly temperatures are between 10–26 °C, but linear regression analyses were not confirmed that temperature explain the variation in thrips numbers, which may be due to other climatic factors such as the rainfall,while olive varieties and phenological stages are affecting the population of thrips,their number was higher on the Sigoise variety, especially at flowering stage in the case of H. tritici and F. occidentalis while T. tabaci was most noticeable at the fruit growth stage. The number of this species was relatively low, just until the inflorescence stage, where thrips start to appear in Sigoise before Chemlal.

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A Preliminary Survey of Olive Grove in Biskra (Southeast Algeria) Reveals a High Diversity of Thrips and New Records

Halimi

Laamari

Goldarazena

2022

Insects

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This study was conducted to determine Thysanoptera species composition associated with olive trees, fruit injury, fluctuations in the abundance of the most phytophagous species relative to the phenological stages of the olive tree, and the temporal variations in the species Neohydatothripsamygdali in relation to environmental variations in Biskra province between 2018 and 2020. The olive orchard chosen for this study is located at the Experimental Station of the Technical Institute for the Development of Saharan Agriculture (ITDAS) in El Outaya (Biskra, a Saharan region of Algeria). Five trees were sampled each week, and thrips were collected by shaking 20 twigs (4 twigs per tree). Identification of thrips species was based on morphological characters of adults. Microscopic observation of the collected thrips specimens made it possible to report nine thrips species. Among them, four are reported for the first time in Algeria. Three taxa, namely Haplothrips tritici, Neohydatothrips amygdali, and Frankliniella occidentalis constituted the eudominant groups, representing 28.65%, 27.98%, and 23.39% of total specimens collected during the study, respectively. Thrips injury appeared as scaring and silvering of the fruit. The most abundant species was H. tritici, but N. amygdali was most common in the last two years of the survey. The influence of phenological stages of olive trees on the total number of H. tritici and F. occidentalis was significant. The highest numbers were recorded in flowering stage. The highest number of N. amygdali had two peaks: April (2020) and May (2018, 2019), as well as September (2020) and October (2018, 2019), when temperatures fluctuated between 20 °C and 30 °C. N. amygdali was totally absent during the other months (in winter and summer). During the three years of investigation, N. amygdali reproduced by thelytoky, with only females present.

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The Egyptian Thripid Species in Olive Groves at Ismaialia, Egypt

Cited by 3 publications

References 3 publications

Molecular Identification of Thripids Attacking Olive Groves at Ismailia, Egypt

Molecular Identification of Thripids Attacking Olive Groves at Ismailia, Egypt

Assessment of Thrips Diversity Associated with Two Olive Varieties (Chemlal & Sigoise), in Northeast Algeria

A Preliminary Survey of Olive Grove in Biskra (Southeast Algeria) Reveals a High Diversity of Thrips and New Records

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