Results of the study revealed the presence of four aphid species which
spread in the wheat fields of Daraa during 2013.
They are: Schizaphis graminum (Rondani), Rhopalosiphum padi (L),
Rhopalosiphum maidis (Fitch) and Sitobion avenae (Fab).
S. gr
aminum was most widely amounted rate (48%), followed by specie
of R. padi (% 20) then R. maidis (% 16.8), and finally specie of S.
avenae rate (14.9%).
The appearance time of the different stages insect (nymphs, winged
insects, winged) for its specie and their arriving time to the peak were
identify.
