الفهرس 
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Abstract
eu aphid ADhIS gossypii 01ev. is one of the %ortent economic pests of tottan in Egypt 1osses caused by this insect have been steadily hreceut years.
eracoivora Koch. which oonmxonly attacked the
o such as beans, broad beans, peas, lentil
1gr from these crops to the cotton fields
the early season.
‘lies were carried out by diffcrn c:rcr
•ste these two species at the Delta region, how— leution have been paid to perform such these
in Upper Egypt.
[wee foimd desirable to cany out investigations
luct experiments on the infestation of cotton with
cterent species.
ifinal conclusion could be summarized in the
[aspects
ra1 iufestai ion of’ aphtds iv the cotton fiel’
was found that there are two species of aphids
[cotton in Upper Egypt.