(A–C) In response to wasp-infection, lamellocytes in lymph gland (A) control (Kurs6-Gal4/+) in regular food (RF), (B) orco1/orco1 rescue in GABA supplemented food (GF) and (C) orco1/orco1 rescue in succinate supplemented food (SF). This evidence concerns the gene LGALS4 and infection.