Entomologie, ornithologie et herpétologie : recherches en cours
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The Species Assassin Bugs (Heteroptera: Reduviidae) and Their Preys in the Mountainous Region of Northern Vietnam

Truong Xuan Lam

In the mountainous region of Northern Vietnam, field surveys in 2 National Parks, 7 Nature Reserves, Lao Cai, Cao Bang, Hoa Binh, Son La, Bac Kan and Lang Son provinces shows that the 76 species of 43 genera, 7 subfamilies of family Reduviidae (Heteroptera) were recorded, among them 5 species are newly recorded in Vietnam. The Lao Cai (Bat Xat, Hoang Lien) has the highest diversity index and Bac Kan (Nam Xuan Lac), Lang Son (Huu Lien) have the lowest diversity index. The index of similarity of species composition at 6 surveyed sites were divided into group 1, Lao Cai (Bat Xat, Hoang Lien) and Cao Bang (Phia Oac-Phia Den); group 2, Hoa Binh (Thuong Tien, Hoang Kia-Pa Co) and Son La (Xuan Nha, Copia) and group 3, Bac kan (Nam Xuan Lac) and Lang Son (Huu Lien). The number of species in higher montane evergreen forest and lower montane evergreen forest is the biggest (69 species), in the lowland evergreen forest and lowland semi-evergreen forest have 28 species, in agricultural ecosystems is containing 26 species, the buffer zone is containing 13 species and grassland is containing 17 species. The prey of 60 species of the family Reduviidae was recorded.