Abstract
Leaf beetle (Coleoptera: Chrysomelidae) is one of the largest groups in Coleoptera. However, studies focusing on this group are considered low, especially in Malaysia. Apart of being pest for several crops and stored products, their ecological preferences are unknown. This study was conducted to observe the abiotic factors that may influence the distribution of the species. Sampling was done from December 2016 to May 2017 at Fraser’s Hill, and divided into three altitudes; higher (>900m a.s.l), middle (500-900m a.s.l) and lower (<500m a.s.l). Samples were collected by active sampling (sweeping nets) from 9.00 a.m. to 2.00 p.m. for each altitude. A total of 540 individuals of 46 species from four subfamilies was successfully collected throughout the sampling period. Galerucinae contributed the most individuals comprising 65.93% from the total collection, while Criocerianae had the least – 2.04%. PCA graph showed that higher altitude species separated from both middle and lower altitudes. This proved that abiotic factor influenced towards the distribution of species. This study gave an overview of factors that may affect the distribution of the leaf beetles. However, more detailed study must be done to give a more solid aspect. It is recommended that more studies be carried out to provide for better and stronger evidence.
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