The surveys were caried out in the field of twokm both sides along the Ho Chi Minh Highwar passing 194 locations (communes, towns) of 11 provinces through Central Vietnam including Tay Nguyen Plateau. Three protect areas were chose as the control namely Chu Mom Ray NP, Kon Ka Kinh NP and Song Thanh NR. A total of 5273 Insect species belonging to 168 families of 14 orders were recorded
among them five species were newly described, namely Polydictya vietnamica Constant eI Pham, 2008 (Fulgoridae, Homoptera), Purana trui Thai et al., 2012 (Cicadidae, Homoptera1 Camptotypus trui Pham et al., 2012 (Ichneumonidae, Hymenoptera), Dendrolimus bazarovi Zolotuhin eI Tran, 2009 (Lasiocampidae, Lepidoptera) and Tyloperla trui Cao et Bae. 2007 (Perlidae, Plecoptera)
422 species were newly recorded for Vietnam Fauna. Two long horned beetles Dorysthenes granu/osus and Dorysthenes walkeri were newly recorded on the sugar cane
two bugs Acestra yunana and Udonga spinidens were newly recorded on the bamboo
two cicadas Pomponia backanensis va Tanna kimtaewooi were newly recorded on the coffee. Within 194 locations were observed 65 locations cI which ecosystem are with light level of impact. 62 locations with moderate level of impact and 67 ones with strong level of impact. The Insect diversity calculatting by the Shannon deversity Index H' and the Species richness Index d' showed the lessened values in the locations with strongly level of impact in comparison with other locations as well as with the control.