Reclustering the cluster flies (Diptera: Oestroidea, Polleniidae) Author Cerretti, Pierfilippo Author Stireman III, John O. Author Badano, Davide Author Gisondi, Silvia Author Rognes, Knut Author Giudice, Giuseppe Lo Author Pape, Thomas text Systematic Entomology 2019 2019-08-31 44 957 972 journal article 10.1111/syen.12369 991d3cda-9d4f-4daa-b869-bf15935c1842 3402822 Family Polleniidae Brauer & Bergenstamm, 1889 stat. rev . Diagnosis . Small to medium-sized oestroid flies varying from yellow to black in ground colour. Facial sclerite at least weakly carinate [with few exceptions, e.g. Pollenia griseotomentosa (Jacentkovský) ]. Stem vein bare dorsally. Anal vein not reaching wing margin. Posterodorsal margin of hind coxa bare. Prosternum and proepisternal depression bare. Postalar wall setose (occasionally bare in small specimens of Morinia ). Female: ovipositor sclerite length moderate; sternite 8 of ovipositor elongate with apex entire; cerci long and narrow. Male: ventral and ventrolateral surface of distalmost parts of distiphallus smooth.