BrilliaBrillia is a genus of non-biting midges in the subfamily Orthocladiinae of the family.SpeciesB. bifida B. flavifrons B. flavifrons B. japónica Tokunaga, 1939B. kultia B. laculata Oliver and Roussel, 1983B. longifurca Kieffer 1921B. modesta B. parva Joahnnsen, 1934B. pudorosa Cobo, Gonzales & Vieira-Lanero 1995B. retifinis Sæther, 1969B. sera Roback, 1957