Given the assertion 'I collected, in northeastern Colorado, a very large (ca. 1 inch) species of robber fly (family Asilidae ).  ', does 'Robber flies are only a centimeter in length. ' offer a contrary position?
I collected, in northeastern Colorado, a very large (ca. 1 inch) species of robber fly (family Asilidae ).  ###Robber flies are only a centimeter in length. 