First record of mermithid parasitism in adult biting midges, Culicoides huffi (Diptera: Ceratopogonidae), collected from Southern Thailand, with ultrastructural and molecular characterization. - Promrangsee, Chulaluk; Sanprasert, Vivornpun; Thepparat, Arunrat; Sunantaraporn, Sakone; Ampol, Rinnara; Boonserm, Rungfar; Siriyasatien, Padet; Preativatanyou, Kanok (Parasites & Vectors, 2025)