For this reason, the main form of taxonomic identification used in the past has been close observation of distinctive copulatory structures of males, (although this method is now thought by some entomologists and taxonomists as giving insufficient classification detail).
Por esta razón, a principal forma de identificación taxonómica usada no pasado foi a observación detallada das distintivas estruturas copulatorias dos machos, (aínda que hoxe en día algúns taxonomistas consideran que este método non dá detalles suficientes para a clasificación).