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| Issue Date | Title | Author(s) |
| 1997 | Amin, A. H.; A. K. Emam and A. Helmi (1997). A species of the genus Aleurotuberculatus on citrus trees in Egypt. | A Helmi ; Amin A. H.; A. K. Emam; Aleyrodidar |
| 2019 | Aphids on Medicinal and Aromatic Plants in Egypt (Hemiptera: Aphididae). J. | A. Helmi ; Mahmoud E. R.; Dahroug S M A; M. Hewidy |
| 2019 | Aphids on Medicinal and Aromatic Plants in Egypt (Hemiptera: Aphididae). | Ashraf Helmi ; Mahmoud E. R.; Dahroug S M A; M. Hewidy |
| 1-Mar-2016 | Biochemical and Ultrastructural Changes of Some Tomato Cultivars after Infestation with Aphis gossypii Glover (Hemiptera: Aphididae) at Qalyubiyah, Egypt | Ashraf Helmi ; Mohamed, Heba Ibrahim |
| 2022 | Biological aspects, lower developmental threshold and thermal requirements of Cotton seed bug, Oxycarenus hyalinipennis (Costa) | El-Taher A. Sh.; M. S. Abdel-Wahed; Ashraf Helmi ; H. F. Dahi |
| 2013 | Bionomic and life table parameters of olive psyllid, Euphyllura straminea on olive seedlings under three constant temperatures. | Ashraf Helmi ; Amin, A. H.; E. A. El-Wan; A. S. Youssef |
| 2002 | Ecological studies on the citrus whitefly Dialeurodes citri (Ashmead) [Hemiptera: Aleyrodidae]. | Ashraf Helmi ; A. H. Amin; M. E. Foda; Azza, K. Emam |
| 2008 | Ecological Studies on Sugar beet Insects at Kafr El- Sheikh Governorate, Egypt. | A Helmi ; Amin, A. H.; S. A. El-Serwy |
| 2013 | Effect of wheat cultivars and sown dates on aphids infestation un Egypt. | A. Helmi ; R. Rashwan |
| Jun-2013 | EFFECT OF WHEAT CULTIVARS AND SOWN DATES ON APHID INFESTATION IN EGYPT | Ashraf Helmi ; Rashwan, Rania |
| 2011 | Field Evaluation Of Some Insecticides Against Olive Psyllid, Euphyllura Straminea On Olive Trees In Ismailia Governorate (Homoptera: Psylloidea, Aphalaridae). Egypt. | A. Helmi ; Youssef, A. S.; Amin A.H. ; E. A. Elwan |
| 2016 | Fingerprinting of Leafhoppers on Medicinal and Aromatic Plants in Egypt Using ISSRs. | Ashraf Helmi ; A. Sharaf; E. Heba |
| 1-Nov-2016 | Genetic differentiating Aphis fabae and Aphis craccivora (Hemiptera: Sternorranycha: Aphididae) populations in Egypt using mitochondrial COI | Ashraf Helmi ; Sharaf, Abdoallah |
| 2009 | Genetic fingerprint of fifteen whitefly species in Egypt. (Hemiptera: Aleyrodidae). | Ashraf Helmi ; Amin, A. H.; Azza K. Emam |
| 2011 | Host plants-Associated population variations of Bemisia tabaci (Genn.) (Hemiptera: Sternorrhyncha: Aleyrodidae) characterized with Random DNA Markers. | A Helmi |
| 1-Jan-2011 | Host-associated population variations of bemisia tabaci (genn.) (hemiptera: Sternorrhyncha: Aleyrodidae) characterized with random dna markers | Ashraf Helmi |
| 2017 | Identification And Quantification Of Allelochemicals Contain In Certain Tomato Cultivars By GC- MS Technique | A.K. sobeiha ; Ashraf Helmi ; A. Helmi; K. W. Mahmoud |
| 2009 | Identification of apterous viviparous of cereal aphids in Egypt (Hemiptera: Sternorrhyncha: Aphididae). | A Helmi ; M. M. El Fatih |
| 1-Sep-2020 | Identification of some Egyptian leafhopper species (Hemiptera: Cicadellidae) using DNA barcoding | Ibrahim, Heba E.; Ashraf Helmi ; Sharaf, Abdoallah ; Emam, Azza |
| 2013 | Inducing Resistance in Olive Seedlings against Olive Psyllid, Euphyllura straminea Using Natural Phenol Compound. | A. Helmi ; Amin A. H.; A. S. Youssef |
| 2009 | Influence of three sap-sucking insect pests' infestations on essential oil of sweet marjoram (Origanum majorana L.). | A Helmi ; Amaar-Mona. I; K. Emam-Azza; M. F. A. H. Hegab; M. A. Sidky Mahassen |
| 2010 | Isozymes electrophoretic variations among hosts and localities populations of Bemisia tabaci (Genn.) (Hemiptera: Aleyrodidae) in Egypt. | A Helmi |
| 1-Jun-2011 | Molecular fingerprinting of certain cereal aphids in Egypt (Hemiptera: Sternorrhyncha: Aphididae) using RAPD and ISSRs markers | A Helmi ; Khafaga, A. F. |
| 2011 | Molecular fingerprinting of eleven cereal aphids in Egypt (Hemiptera: Sternorrhyncha: Aphididae) using RAPD and ISSRs markers. | A Helmi ; A. F. Khafaga |
| 2011 | Population dynamics and control of Bemisia tabaci (Genn.) on some vegetable plants under protected cultivation at Giza Governorate. | A Helmi ; Esmail-Samar, S.; S. El-Refai; F. A. Aly |
| 2015 | Population fluctuations of Icerya seychellarum (Westwood) on mulberry trees in Egypt. | A Helmi ; A. Neama; A. Abd-Elhamed; G. H. Mohamed; A. A. E. Abbas; A. A. Tharwat |
| 2017 | Repellency Effect of Some Biochemical Extracts of Castor Bean Leaf on Two Sap-Sucking Insect Pests. | Ashraf Helmi ; Attia, A. sahar |
| 2019 | Some ecological aspects on the Mango Shield Scale, Milviscutulus mangiferae (Green) (Hemiptera: Coccidae) on Laurus nobilis L. trees at Giza, Egypt. Egypt Acad. | A. Helmi ; Abbas, A. A. E.; G. H. Mohamed; N. A. Abd-El Hamed; A. A. Tharwat |
| 2005 | Some ecological aspects of two whitefly species infesting Arab Jasmine shrubs in Egypt. (Hemiptera: Sternorrhyncha: Alyrodidae). | A Helmi |
| 2015 | Survey of leafhoppers on medicinal and aromatic plants in Egypt (Hemiptera: Auchenorrhyncha: Cicadellidae). | A. Helmi ; Ibrahim, E. Heba; Azza, K. Emam; M. A. Ahmed |
| 2018 | Survey of the Soft scale insects, Coccidae (Hemiptera: Coccoidea) and their parasitoids on some ornamental plants in Egypt. | Ashraf Helmi ; Abbas, A. A. E.; G. H. Mohamed and; N. A. Abd-El Hamed; A. A. Tharwat |
| 2016 | Susceptibility of certain tomato cultivars to infestation with Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) in relation to leaflet trichomes. | Ashraf Helmi ; Darbain, S.; Azza, K. Emam; Sami S. El- Badawy; S. Moussa |
| 2016 | Susceptibility of certain tomato cultivars to infestation with Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) in relation to leaflet trichomes. Egypt. | Darbain, S; Azza, K. Emam; Ashraf Helmi ; Sami S. El- Badawy; S. Moussa |
| 2016 | Threshold of Development and Thermal Constant for Different Stages of the Seychelles Fluted scale, Icerya seychellarum (Westwood). | Ashraf Helmi |
| 2006 | Variations among populations of Bemisia tabaci (Genn.) in Egypt. (Hemiptera: Stâ¸ernorrhyncha: Aleyrodidae). | Ashraf Helmi ; Rashed, M. A; A. Abdel Bary-Abeer |
