AstC M-ASH allatostatin C Drostatin-C CG14919 CG149199 ast2 Astc Allatostatin Manduca-type Drm-AST C flatline flt Ast2 DAP-C Drm-AST-C BcDNA:RH36507 BEST:GH06087 AST-C Allatostatin C ASTC drostatin-C allatostatin-C ASC FLT Flt Allatostatin 2 Ast-C gh06087 gene