Citation
Cheong, Yew Loong and Sajap, Ahmad Said and Mohd Noor, Hafidzi and Omar, Dzolkhifli and Abood, Faizah
(2010)
Demography of the bagworm, Pteroma pendula Joannis on an exotic tree, Acacia mangium Willd in Malaysia.
The Malaysian Forester, 73 (1).
pp. 77-85.
ISSN 0302-2935
Abstract
Demography of Pteroma pendula (Lepidoptera: Psychidae) feeding on Acacia mangium was examined in the laboratory. The species undergoes six instars. The mean total lifespan of P. pendula was 44.8±1.5 days, with males at 47.7±1.4 days and females at 41.8±1.6 days. The length of cases was significantly correlated with the larval head capsules width with R2=0.97 for male and R2=0.92 for female. Its short life cycle allows this species to have a minimum of eight generations yearly. Generally, its growth and developmental performances on A. mangium are relatively similar to those developing on oil palm. Thus A. mangium is a good alternate host for the pest population to build up its numbers. In addition to its invasiveness, A. mangium serves not only as a refugium for the pest but also a source of infestation to agricultural crops within the vicinity.
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