Butterflies have some roles in the environment, that is, as pollinator and bioindicator. Habitat is one of important factors to support butterflies' growth. The aim of this research was to describe butterflies' diversity in some green open spaces in Malang, East Java Province, Indonesia. Direct observations of butterflies diversity, vegetation structures and abiotic factors in Brawijaya University, Jalan Veteran, Jalan Jakarta, and Velodrom Green Open Spaces were conducted on June 2012.

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... took place in each site by using cruising method in three-times observation: at 07.00, 11.00 a.m. and 3.30 p.m. The data were analyzed by statistical descriptive using Microsoft Excel 2007 and PAST. The results showed that the butterflies' composition in all sites were dominated by Delias sp., Leptosia nina, and Eurema venusta. The diversity index of all sites showed moderate rank that indicates community equilibrium in the environments was still good. In this case, Velodrom Green Open Space has the highest diversity index, which is about 2,199. Brawijaya University and Jalan Jakarta Green Open Spaces have a high similarity index based on Morisita Index. The highest abundance of butterflies is observed at 11.00-12.30 a.m. Delias sp. and L. nina have temporal spread all day long, while E. venusta does merely in daylight.