 When viewed retrolaterally, the palpal bulb of "B. hamorii" is narrower and less straight than the broad, spoon-shaped one of "B. smithi".It also has a narrower keel at the apex.In mature females of "B. hamorii", the baseplate of the spermatheca is elliptical, rather than divided and subtriangular as in "B. smithi"; also, the ventral face of the spermatheca is smooth rather than striated.