FAUNAL AND BIOLOGICAL STUDIES ON THE INSECTS OF PADDY FIELDS IN ASIA. IV. AQUATIC AND SEMIAQUATIC HETEROPTERA FROM THE PHILIPPINEW2

Abstract.iquatic and semiaquatic Heteroptera collected from the Philippine paddy wa-ter in 1979 are enumerated.A total of 17 species (717 specimens) belonging to 11 families are listed with notes including 2 new species, Paraplea davaoensis Miyamoto (Pleidae) and Anisops yanoi Miyamoto (Notonectidae). Previous rec-ords of these bugs from the paddy water of the world are also reviewed. Aquatic species of Heteroptera dwelling in paddy fields have hardly been accorded any attention in insect pest control which has been carried up to the present in the rice areas of the world. Fragmental records on their occurrence in paddy water, however, have been presented. Yet no extensive works have been done before anywhere else. Several papers such as Morett