SOME BIOLOGICAL AND ECOLOGICAL STUDIES ON THE DATE-STONE PALM BEETLE, Coccotrypes dacty/iperda F. (COL., SCOl YTIDAE)

STUDIES ON PREDATORY INSECTS ATTACKING PURPLE AND FLORIDA RED SCALES ON ORANGE TREES.

EFFICIENCY OF COLORED STICKY TRAPS INCAPTURING CABBAGE APHID, Brevicoryne brassicae, L., AND ITS BENIFICIAL INSECTS IN CABBAGE FIELDS AT FAYOUM GOVERNORATE.

Plant Protection Research Institute, Agricultural Research Center, Dokki-Giza, Egypt.

ECOLOGICAL STUDIES ON DATE PALM SCALE INSECT, Parlatoria· blanchardi Targ., ON TWO DATE PALM VARIETIES AT KAFR EL-SHEIKH GOVERNORATE