-
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 . 9 th Int . Cong . Stat . and Comp . Sci . ,
Ain Shams Univ . ( 31 March - 10 April 1984 ) p. 551 - 560 .
-
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 . 9 th Int . Cong . Stat . and Comp . Sci . Ain Shams Univ
. ( 31 March - 10 April , 1984 ) . p . 541 - 550
-
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 . 9
th Int
. Cong .Stat . and Comp . Sci .Ain Shams Univ .( 31 March - 10
April , 1984 ) . p . 603 - 613 .
-
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 .
-
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 .
-
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 .
-
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 .
-
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 .
-
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 .
-
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 .
-
RAGAB, M.E. (1995). Adaptaion of Rodolia 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.
-
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.
-
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
-
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.
-
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.
-
RAGAB,M.E.(2001).Biology
of insect-host-parasitoid communites.Seventh Arab Congress of
Plant protection 22-26 October, Amman,Jordan.
-
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 varities 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.
-
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.
-
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.,30(4): 2217-2227.
-
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.
-
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
