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Tawfik, Amer I.
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1

Individual and combined treatments with imidacloprid and sp..:

Shaurub, El-Sayed H. ; Tawfik, Amer I. ; El-Sayed, Asmaa M.
International Journal of Tropical Insect Science.  43 (2023)  2 - p. 737-748 , 2023
Link: https://doi.org/10.1007/..
 
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2

Effect of some bee bread quality on protein content and ant..:

Tawfik, Amer I. ; Ahmed, Zeinab H. ; Abdel-Rahman, M. F..
International Journal of Tropical Insect Science.  43 (2022)  1 - p. 93-105 , 2022
Link: https://doi.org/10.1007/..
 
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3

Sublethal effects of herbicides clethodim, haloxyfop-P-meth..:

Mohamed, Ibrahim A. ; Omar, Eslam M. ; Tawfik, Amer I...
Apidologie.  54 (2022)  1 - p. , 2022
Link: https://doi.org/10.1007/..
 
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4

Influence of winter feeding on colony development and the a..:

Tawfik, Amer I. ; Ahmed, Zeinab H. ; Abdel-Rahman, M. F..
Journal of Apicultural Research.  59 (2020)  5 - p. 752-763 , 2020
Link: https://doi.org/10.1080/..
 
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5

Nutritional Value and Physiological Effects of Some Protein..:

Ahmed, Zeinab H. ; Tawfik, Amer I. ; Abdel-Rahman, M. F..
Bee World.  97 (2019)  1 - p. 26-31 , 2019
Link: https://doi.org/10.1080/..
 
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6

Purification, characterisation and titre of the haemolymph ..:

Tawfik, Amer I. ; Kellner, Roland ; Hoffmann, Klaus H..
Journal of Insect Physiology.  52 (2006)  3 - p. 255-268 , 2006
Link: https://doi.org/10.1016/..
 
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7

A role for ecdysteroids in the phase polymorphism of the de..:

Tawfik, Amer I. ; Sehnal, Frantisek
Physiological Entomology.  28 (2003)  1 - p. 19-24 , 2003
Link: https://doi.org/10.1046/..
 
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8

Possible involvement of ecdysteroids in photoperiodically i..:

Tawfik, Amer I. ; Tanaka, Yoshiaki ; Tanaka, Seiji
Journal of Insect Physiology.  48 (2002)  4 - p. 411-418 , 2002
Link: https://doi.org/10.1016/..
 
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9

Possible involvement of ecdysteroids in embryonic diapause ..:

Tawfik, Amer I. ; Tanaka, Yoshiaki ; Tanaka, Seiji
Journal of Insect Physiology.  48 (2002)  7 - p. 743-749 , 2002
Link: https://doi.org/10.1016/..
 
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10

Time-course haemolymph juvenile hormone titres in solitario..:

Tawfik, Amer I ; Treiblmayr, Karl ; Hassanali, Ahmed.
Journal of Insect Physiology.  46 (2000)  7 - p. 1143-1150 , 2000
Link: https://doi.org/10.1016/..
 
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11

Identification of [Arg7] corazonin in the silkworm, Bombyx ..:

Hua, Yue-Jin ; Ishibashi, Jun ; Saito, Hitoshi...
Journal of Insect Physiology.  46 (2000)  6 - p. 853-860 , 2000
Link: https://doi.org/10.1016/..
 
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12

Identification of the Gregarization-Associated Dark-Pigment..:

Tawfik, Amer I. ; Tanaka, Seiji ; De Loof, Arnold...
Proceedings of the National Academy of Sciences of the United States of America.  96 (1999)  12 - p. 7083-7087 , 1999
Link: https://www.jstor.org/st..
 
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13

Identification of the gregarization-associated dark-pigment..:

Tawfik, Amer I. ; Tanaka, Seiji ; De Loof, Arnold...
Proceedings of the National Academy of Sciences.  96 (1999)  12 - p. 7083-7087 , 1999
Link: https://doi.org/10.1073/..
 
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14

Ecdysteroids during ovarian development and embryogenesis i..:

Tawfik, Amer I. ; Vedrov�, Anna ; Sehnal, Franti?ek
Archives of Insect Biochemistry and Physiology.  41 (1999)  3 - p. 134-143 , 1999
Link: https://doi.org/10.1002/..
 
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15

Effects of juvenile hormone treatment on phase changes and ..:

Tawfik, Amer I ; Osir, Ellie O ; Hassanali, Ahmed.
Journal of Insect Physiology.  43 (1997)  12 - p. 1177-1182 , 1997
Link: https://doi.org/10.1016/..
 
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