Has antifungal activity against A.niger (MIC=2.1 uM), C.albicans (MIC=8.5 uM), C.fructus (MIC=8.5 uM), F.oxysporum (MIC=16.9 uM), P.pastoris (MIC=16.9 uM), P.tannophilus (MIC=8.5 uM), T.harzianum (MIC=4.2 uM), and Z.marxianus (MIC=8.5 uM). Lacks antibacterial activity against the Gram-positive bacteria L.monocytogenes, M.luteus, S.aureus, and S.lutea, and the Gram-negative bacteria E.coli D31, E.coli ATCC 25922, and S.typhimurium. Secreted in the hemolymph. Hemolymph and midgut. Expressed in fat body of last instar larvae. By bacterial infection (PubMed:17194500). Induced by A.niger alpha-1,3-glucan (PubMed:34443685). Belongs to the invertebrate defensin family. Type 2 subfamily.