Observations on outbreak and biology of Oak defoliator, Gazalina chrysolopha Koil
Observations on outbreak and biology of Oak defoliator, Gazalina chrysolopha Koil
Wali-ur-Rehman and M. Ismail Chaudhry
ABSTRACT
In 1989 on out break of Gazalina chrysolopha Koll.
Occurred in oak forest (Quercus dilatata) causing
serious defoliation over an area of 1600 hectares in
Bagh Forest Division of Azad Jammu and Kashmir. The
months emerging from mid July to mid August, lay eggs on
the under surface of leaves in clusters. Hatching of
eggs takes place from mid August to mid September. The
caterpillars, exhibiting nocturnal and processoinary
behavior, live for 10 to 11.5 months, mid August to end
of June next year. Pupation takes place from mid June to
end of July for a period of 1-2 months. Their life cycle
is annual.
To share on other social networks, click on any share button. What are these?
September 1992
Vol. 42, Iss. 3
