The antibacterial peptide inside insect bodies is an im portant component of host immunity defensive system,having the char acteristics of small molecular weight,heat stability and broad antibacterial sp ectrum.

• 昆虫体内的抗菌肽是宿主免疫防御系统的重要成分,具有分子量小、热稳定性好、抗菌谱广等特点。