Blue, identified neuropeptide precursors; White, not found. AKH: adipokinetic hormone; ACP: AKH/corazonin-relate peptide; AST: allatostatin; AVLP: arginine-vasopressin-like peptide; CAPA: cardioacceleratory peptide 2b; CCAP: crustacean cardioactive peptide; DH: diuretic hormone; EH: eclosion hormone; ETH: ecdysis triggering hormone; FMRFa: FMRFamide-like peptide; ILP: insulin-like peptide; ITP: ion transport peptide; ITPL: ITP-like peptide; NPF: neuropeptide F; NPLP1: neuropeptide-like precursor 1; PDF: pigment dispersing factor; PTTH: prothoracicotropic hormone; sNPF: short neuropeptide F. The data of other insects are mainly referred from D. melanogaster [5], An. gambiae [6], A. mellifera [7], B. mori [8], T. castaneum [9], Ac. pisum [10], R. prolixus [11], Z. nevadensis [12], L. migratoria [12], N. lugens [13], C. suppressalis [15].