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Abstract
INTROD’ nON
Field erop a ’e ,highly infected by phytophagous mile. 1i m:w.l’ Jms
urticae Koch ,11.111causes great damage such ”S cotton wluch c.••using reductiou
of pia III growth and crop produeriou. Mite feed 011 the leaf undersurface. They
suck leaves :J.p. producing blotched with \V,lllle or pale yellow SpOIS. which
I’lILlgeill size ±i.’omvery small spe ks 10 larger areas as the pecks coalesce. The
damage is visible on both the upper and lower surface of the leaf. pider mite
spill ve fine webs over 11l!~surface lIml become prominent as the nmnber of
mites pe leaf increases. SIliVeI’<l iufestation causes defoliation of leaves. Plant
ma become severely stunted when large mila populations are allowed to fe-ed
and the plants may dray.
III En ’pr, survey studies of phytopllago\ls aad predaceous mites aud
insects on cotton plant were studied by El·~i:ls ry (1918>- El.~lfagbrllb~’et
of. (1994), assin (1997) and AI11t’1’ (2003),
Scientists all OWl’ the world have a wing. interest ill reducing
dependence of chemical pesticide as meaus of ccmrolling pe ts: uatural
eaeniie are considered as the most promising biological comrol mean pest,
Consequently, invertebrate pathology received much attention in the eccud
Iweut,y century of which in ttl pest had rhe uiaiu jurerest,
Araneae being completely predatory animals. spiders are important as
enemies of other soil inhabitants (KIlllenlt, 1950).
In E.gypt, spiders are found to be insect and n);ite predators ou which
cause erious dil’lJlIges for J)1,O$I,important ecouomie plaulS. R,ilbiJ (’988)
studied some ecological IIDd biological 3 pects of field spiders in Fayoum.
Also, UI]iUIl (2002) studied ecological, biological, lil’vey and ide••tificariou of
spiders Oil different orchards in four Governorates, Fayoum Belli-suet.
Qalynbia sud Sharkia, However, ill recent years, studies ou miles: pathogens
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