b rown planthopper

phragmites planthopper

Planthopper

planthopper population

resistance to brown planthopper

rice brown planthopper

Rice planthopper

pale planthopper

Small brown planthopper

White-backed planthopper

Small brown planthopper Laodelphax striatellus Fal

smaller brown planthopper

whiteback planthopper

white backed planthopper

smaller pellucid broad-winged planthopper

structure of planthopper community

whitebacked planthopper

Occurrence area of rice planthopper

maculated long-nosed planthopper

black rice planthopper