International Dragonfly Fund - R Dragonf R 1 D3C Gahol Apartment, Lo E-mail: rjtvillanueva@gmail Introduction Polillo is a small group o (Figure 1). It is made up of I and Palasan I and severa islets. This island group ha relatively flat to gentle slo ping terrain and the highes point is only 300 m asl (M Maluhod) in Polillo Islan (ca 700 km²) which is th largest in the group and th third largest island in grea ter Luzon biogeographic re gion. Figure 1: Map of Polillo Island Report 23 (2010): 1-24 flies of Polillo Island, Philippines Reagan Joseph T. Villanueva 1 opez Jaena St., Davao City, 8000 Phil l.com of island (27 islands in total) east f four main island viz. Polillo I, Patna al as o- st Mt. nd he he a- e- d 1 s lippines. of central Luzon anungan I, Jomalig