Abstract: According to reports, Phyllortreta striolata (Fabricius) is a polyphagous insect.Its meal scope includs 19 species of plants in 8 families,some of which are from very far away branch of families.With the non-selectivity trial,the results indicate that SFB is an oligophagous insect.Its food is limited to the plants which contain glucosinolates belonging to Capparales Order in the Takhtajan or Cronquist plant system.Its food source has also been found in other plants that also contain glucosinates such as Tropaeolum majus.

Key words: Gahai Wetland, organic carbon storage, soil carbon density, distribution.