PERTANIKA JOURNAL OF SCIENCE AND TECHNOLOGY

The populations of fireflies (Coleoptera: Lampyridae) are increasingly being threatened, and it is, thus, a significant problem in Southeast Asia, particularly Malaysia. Fireflies and their habitat must immediately be protected before they go extinct. Simpson’s Diversity Index used in this paper review to measure the diversity of firefly species across Malaysia. The Simpson’s Diversity Index showed that the richness and evenness of firefly species in Malaysia is infinite diversity with D = 0.2255. The authors compiled and reviewed the studies on the firefly species to incorporate available information/data and emphasised their preferred habitat/display trees in response to the issue. Therefore, this paper was also able to track down records of fireflies’ species’ distribution through the previous studies in eight states in West Malaysia (Peninsula), namely Johor, Kelantan, Kuala Lumpur, Pahang, Perak, Negeri Sembilan, Selangor, and Terengganu, as well as two states in East Malaysia (Borneo), namely Sabah and Sarawak. It indicates that firefly species, especially from the general Pteroptyx (Pteroptyx tener species), are widely distributed in Peninsular Malaysia and East Malaysia. Based on the records from the study conducted by previous researchers, it was found that the population of fireflies is declining in some areas in Malaysia, and so are their habitats and host/display trees that have suffered the same decline. Perhaps, this paper will help broaden human beings’ geographical understanding/knowledge and create awareness which eventually leads to conservation actions of firefly species and their host/display trees.

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