Lumbriculus japonicus
Encyclopedia
Lumbriculus japonicus was described by Yamaguchi in 1936 from locations on Hokkaidō
. It is distinguished from other species mainly by the location of the genital elements, which are positioned two segments posteriorly to their position in L. variegatus
.
Hokkaido
, formerly known as Ezo, Yezo, Yeso, or Yesso, is Japan's second largest island; it is also the largest and northernmost of Japan's 47 prefectural-level subdivisions. The Tsugaru Strait separates Hokkaido from Honshu, although the two islands are connected by the underwater railway Seikan Tunnel...
. It is distinguished from other species mainly by the location of the genital elements, which are positioned two segments posteriorly to their position in L. variegatus
Lumbriculus variegatus
Lumbriculus variegatus, sometimes known as blackworm , is the name given to at least three distinct species of worms which are identical in outward appearance...
.