Abstract
This paper reports the species richness and abundance of true dung beetles (Family Scarabaeidae: subfamily Scarabaeinae) in the Wasgomuwa National Park, Sri Lanka. This survey was conducted during the prolonged dry season using active and passive methods of sampling and revealed the presence of 25 species (637 individuals), including one endemic, Onthophagus martialis, representing eight genera. This finding is interesting as it suggests the possibility that this forest is equally as rich in dung beetles as forests of the wet zone reported by others. There was considerable disparity in abundance among the genera and species. The best represented genus was Onthophagus with a total of 16 species, whilst the most common species, with 159 individuals, was O. pygmaeus. All dung beetle species were unevenly distributed within the park. The information generated on this ecologically important group can be used to determine the true conservation value of the dry zone protected areas.
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