Parasitized G. albolineatus usually carries one to three externae with a maximum of seven.Externae at different status might be found on one crab.

• 被寄生的白纹方蟹通常有多外体的现象，通常带有一至三个外体的个体，最多则有七个外体，同一寄主身上的外体有处在不同发育状态。