The host range phenotype displayed by a Sindbis virus glycoprotein variant results from virion aggregation and retention on the surface of mosquito cells.
Boehme KW, Popov VL, Heidner HW. The host range phenotype displayed by a Sindbis virus glycoprotein variant results from virion aggregation and retention on the surface of mosquito cells. J Virol. 2000 Dec; 74(23):11398-406.