-
SHANAB, L. M.; A. M. ABOU
EL - NAGA; E. HEGAZI and M. E. RAGAB ( 1984 ). Population
density of some predators in cotton fields at Dakahlia Province . 9th
Int . Cong . Stat . and Comp . Sci . , Ain Shams Univ . ( 31 March -
10 April 1984 ) p. 551 - 560 .
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SHANAB, L. M.; A. M. ABOU
EL - NAGA; E. HEGAZI and M. E. RAGAB ( 1984 ). Effect of certain
insecticides on the numbers of some predators of cotton pests . 9th
Int . Cong . Stat . and Comp . Sci . Ain Shams Univ . ( 31 March -
10 April , 1984 ) . p . 541 - 550
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SHANAB, L. M.; A. M. ABOU
EL - NAGA; E. HEGAZI and M. E. RAGAB ( 1984 ). Studies on the
predator Chrysopa vulgaris ( Schn . ) in cotton fields at
Dakahlia Province . 9th Int . Cong .Stat . and Comp . Sci
.Ain Shams Univ .( 31 March - 10 April , 1984 ) . p . 603 - 613 .
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RAGAB, M. E. ( 1991 ).
Insects inhabiting safflower and the role of predatory insects in
Mansoura , Egypt . Egypt. J . Biol . P . Cont . 1 (1 ) : 11- 18.
-
RAGAB, M. E. and L. M. SHANAB ( 1991 ). Influence of photoperiod as an environmental
factor on the biology and feeding capacity of the ladybird beetle Coccinella undicmpunctata L . ( Coleoptera , Coccinellidae )
.Egypt. J . Biol . P . Cont . 1 ( 1 ) : 51 56 .
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RAGAB, M. E. and S. S. AWADALLA ( 1991 ). Effect of nitrogen fertilizer levels on
population density of important piercing - sucking insects and
their associated predators on sunflower . J . Agric . Sci . Mansoura
Univ . 16 ( 4 ) : 878 - 883 .
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RAGAB, M. E. ( 1991 ) . Entomophagous insects associated with Gynaikothrips ficorum
Marchal . on Ficus nitida Thumb .trees in Mansoura , Egypt .
J . Biol . P .Cont . 1 ( 2 ) : 59 67 .
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AWADALLA, S. S.; M. E. RAGAB and H. M. FATHY (1991). Interaction between injurious and
predatory insects inhabiting sugar beet plants . Egypt . J . Biol .
P . Cont . 1 ( 2 ) : 25 - 32 .
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9.RAGAB, M. E. ( 1992 ).
Ecological and biological studies on the parasitoids of the cabbage
white butterfly , Pieris rapae ( L. ) ( Lep., pieridae ) in winter
cabbage at Mansoura . J . Appl . Ent. 113 ( 5 ) : 513 -517 .
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AWADALLA, S. S.; M. E. RAGAB and LAILA A. EL - BATRAN ( 1992 ). Insect infestation
levels of sugar beet plants in relation to varieties and planting
dates. J. Agric. .Sci. Mansoura Univ . 17 ( 5 ) : 1121- 1126 .
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RAGAB, M. E. and A. M.
ABU EL NAGA (1994). The role of natural enemies in regulating
population denisites of Aphis gossypii Glover . (Homoptera ,
Aphididae) on cotton plants at Mansoura region. J. Agric . Sci.,
Mansoura Univ. 19 (12) : 4593 - 4601 .
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RAGAB, M.E. (1995).
Adaptaion of Rodalia cardinalis (Mulsant) (Col.,
Coccinellidae) to Icerya aegyptiaca (Douglas) ( Hom.,
Margrodidae ) as compared with I. purchasi. J. Appl. Ent.119,
621-623.
-
RAGAB, M. E. (1995).
Efficiency of Scutellista cyanea Mostch. (Hym., Pteromalidae)
and Tetrastichus ceroplastae (Gir.) in population suppression
of the wax scale, Ceroplastes rusci L. ( Homo., Coccidae). J. Appl.
Ent. 119, 627 - 630 .
-
RAGAB, M. E. (1995).
Some ecological and biological aspects of Tetrastichus
coccinellae, a parasitoid of some aphidophagous coccinellides
in Egypt. 1st Int. Conf. of best control, 3-5 September, Mansoura
Univ., Egypt, 35-42.
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TAWFIK, M. F. S; A. A. YOUSEF; M.A. El-ADl; A. A. GHANIM and M. E. RAGAB (1995).
Diaperasiticus erythrocephalus (Oliver) A newly recorded
forficulid (Dermaptera) In Egypt. Egyptian J. of Biol. Pest Control.
5(1):61-65.
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RAGAB, M. E. (1996).
Biology and efficiency of Trioxys angelicae Hal (Hymenoptera,
Aphidiidae) a newly recorded parasitaid of Aphis craccivora
Kock (Homoptera, Aphididae) in Egypt. Egypt. J. Biol Pest Control
6(1):7-11
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RAGAB, M. E. and Y. M. SHABANA (1997).
Alternaria infectoria E.G. Simmons, a
promising biocontrol agent for the fig wax scale, Ceroplastes
rusci (Hompotera ,Coccidae) in Egypt. Mansoura Univ. J. Agric.
Sci., 22 (1):233-248.
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RAGAB, M. E. and A. A. GHANIM
(1997). Effect of different parasite/host ratios between
Trioxys angelicae Hal. (Hymenoptera: Aphidiidae) and its host
Aphis craccivora Kock (Hompetera:Aphididae) on the percentage
of parasitisim and population development. 1st National Conf. of
Applied using of Natural enemies for Controlling Insect and Mite
Pests, Mansoura Univ., 4-5 March, 209-217.
-
El-ADl, M.A.; A. A. GHANIM; M. E. RAGAB and M.M. MORTADA (1997).Studies on certain
biological characters of Coccinella septempunctata L. 1st
National Conf. of Applied using of Natural enemies for Controlling
Insect and Mite Pests, Mansoura Univ., 4-5 March, 199-208.
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RAGAB,M.E.(2001).Biology
of insect-host-parasitoid communites.Seventh Arab Congress of Plant
protection 22-26 October, Amman,Jordan.
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RAGAB,M.E; A.A.Gahanim;
A.M.Abou EL-Naga and A.A. Saleh ( 2002). Ecological studies on
certain aphid parasitoids especially those of Aphis craccivora
koch.J.Agric.Sci.Mansoura Univ.27(4):2611-2620.
-
Ragab,M.E; A.A.Gahanim;
A.M.Abou EL-Naga and A.A. Saleh ( 2002).Effect of host aphid
species, temperature and food supply on some biological
characteristics of the two aphid parasitoids, Diaeretialla rapae
and Aphidius sp.( Hymenoptera, Aphidiidae).
J.Agric.Sci.Mansoura Univ.27(7):4997-5002.
-
Ragab,M.E;A.H,Abdel-Salam and N.F.Abdel-Baky (2002)
. Effect of
some tomato varieties on the relative occurrence and population
densities of predators and parasitoids associated with Bemisia
spp. and Aphis gossypii .J.Union Arab Biol.Cairo.17(A) : 293-
312.
-
Ragab,M.E(2003).
Biological studies on Diaperasticus erythrocephalus (Olivier)
(Dermaptera , Forficulidae ) as related to its predaceous habit.
J.Egypt.Ger.Soc.Zool.(41E) 77-83.
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Ragab,M.E. and N.F.Abdel-Baky (2004).
Cladosporium uredinicola SPEG. and Alternaria infectoria E. G. SIMMONS, as promising biocontrol
agents for Bemisia argentifolii BELLOWS&PERRING and Aphis
gossypii GLOV. on tomatoes. J. Agric. Sci. Mansoura Univ., 29
(10): 6101-6110.
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Abdel-Salam,A.H; M.E.Ragab; L.A.El-Batran, and A.R.Ahmed (2005).
Release of Coccinella undecimpunctata L. and Chrysoperla
carnea (Steph.) as a biological control tool of the cotton
aphid, Aphis gossypii Glover on Tomato plants under field
cage conditions. J. Agric. Sci. Mansoura Univ., 30(1):655-669.
-
Abdel-Baky, N.F. and M.E.
Ragab (2005). Biological studies on Eretmocerus mundus (Aphelinidae:
Hymenoptera), a parasitoid of Bemisia argentifolii (Aleyrodidae:
Hemiptera), and its role in pest population regulation on tomatoes.
J. Agric. Sci. Mansoura Univ., (In press).
-
Ragab,M.E(2007).
Biological control of the red palm weevil,
Rhynchophorus ferrugineus
(Olivier) as a component of its IPM. Date palm
conf. Saudi Arabia.(In press).
-
Fathy,H.M,
M.E.Ragab, A.M.Gad , and A.A.Ziton (2008). Effect of honey
bee products on some biological parameters of the mulberry silk
worm Bombyx mori L. J. Agric. Sci. Mansoura Univ.,
33(5):3659-3664.
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Ragab,M.E, A.
H. Abdel-Salam and A. R. Ahmed (2009). Predatory insects
associated with mosquitoes and their relative abundance at
Dakahlia governorate. J. Agric. Sci. Mansoura
Univ.,34(1):553-568.
-
Abdel-Salam, A.H,
M.E. Ragab and and A. R. Ahmed (2009). Evaluation of release
ratios of Rhantus elevatus Sharp (Coleoptera, Dytiscidae) as a
promising biological control agent against Culex pipiens L. (Diptera,
Culicidae) under laboratory conditions. J. Agric. Sci. Mansoura
Univ.,34(1):569-588.
-
Ragab,M.E, N.
F. Abdel-Baky, S. Abd-Rabou and D.F. Elashram (2009). Laboratory
and field efficacy of some natural and chemical formulations on
Aphis craccivora (Koch). J. Agric. Sci. Mansoura
Univ.,34(3):2155-2168.
-
Ragab,M.E, N.
F. Abdel-Baky and M. E. El-Nagar (2009). Role of parasitoids in
biological control of whiteflies infesting some economic crops
at Dakahlia Governorate, Egypt. 10th Arab congressof plant
protection,26-30 October ,2009 ,Beirut , Lebanon