Identifikasi, Intensitas dan Persentase Serangan Hama Helopeltis sp. (Hemiptera: Miridae) pada Acacia mangium Willd.

Abstract

One of the problems in the management of Acacia mangium is Helopeltis sp. infestation. Current research and
report on Helopeltis sp. as the pest on A. mangium are not much, so it is necessary to identify this pest and it’s damage
level. The research aims to identify the spesies of Helopeltis on A. mangium and to observe the intensity and percentage
of their infestation. Identified Helopeltis sp. was taken from A. mangium plant in the field. The identification was held in
the laboratory. The intensity and percentage of infestation conducted in three different locations on 1, 2, 3, 4, 5, and 6
months old plantation. The plot unit samples were taken with transect line methods. The observation of the damage was
evaluated by giving the score for each plant according to it’s severity. Helopeltis sp. that giving A. mangium is H.
theivora, with intensity and percentage of infestation on 6 months was 56.55% and 100%. The intensity and percentage
of infestation of H. theivora on the A. mangium decreased from 3 months to 6 months on plants.

Keywords: Identification, intensity of infestation, percentage of infestation