The upper one is 5.5 -- 8.5 millimetres ( 0.22 -- 0.33 in ) long while the other one is ovate .
Is 6 -- 10 millimetres ( 0.24 -- 0.39 in ) long .
The upper one is 5.5 -- 8.5 millimetres ( 0.22 -- 0.33 in ) long while the other one is ovate and is 6 -- 10 millimetres ( 0.24 -- 0.39 in ) long .