Figure 4From: Molecular characterization of the piggyBac-like element, a candidate marker for phylogenetic research of Chilo suppressalis (Walker) in ChinaSampling locations and potential migration directions of C. suppressalis . The letters in the brackets are the location abbreviations. The putative original settlement of C. suppressalis in China is indicated by red circle. The putative migration directions of C. suppressalis are indicated by yellow arrows.Back to article page