Costal vein chaetotaxy, a neglected character source in Fanniidae and Muscidae (Diptera: Calyptratae) Author Michelsen, Verner 9BD4846E-F4D0-4DB2-A567-FAF0A58B6D98 Natural History Museum of Denmark, University of Copenhagen, Denmark. vmichelsen@snm.ku.dk text European Journal of Taxonomy 2022 2022-06-28 826 94 134 http://dx.doi.org/10.5852/ejt.2022.826.1839 journal article 86210 10.5852/ejt.2022.826.1839 ed37ce13-a67c-4146-b99e-db8ede0a145b 2118-9773 6784127 34BA1AB7-6107-4636-9645-B1C0216DCE5E Tribe Dichaetomyiini Emden, 1951 This is a relatively small tribe distributed primarily in the tropics of the Old World and Australia . Species from four of totally five recognized genera were examined ( Table 1 ). • Aethiopomyia Malloch, 1921 , Alluaudinella Giglio-Tos, 1895 , Dichaetomyia Malloch, 1921 , Ochromusca Malloch, 1927 All examined species representing these genera reveal the prevalent muscid state in which vein C is bare dorsally and setulose ventrally (state A4 ): Aethiopomyia patersoni Zumpt, 1969 , A. steini Curran, 1935 , Alluaudinella bivittata (Macquart, 1843) , A. phasiaeformis (Stein, 1906) , Dichaetomyia (18 spp) and Ochromusca secunda Pont & Dear, 1976 .