''Ligidium'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
woodlice
Woodlice are terrestrial isopods in the suborder Oniscidea. Their name is derived from being often found in old wood, and from louse, a parasitic insect, although woodlice are neither parasitic nor insects.
Woodlice evolved from marine isopods ...
. It contains about 68 species,
six of which are probably
taxonomic synonyms of ''
Ligidium hypnorum'' or ''
Ligidium germanicum''.
Of the remainder, 18 species are found in North America,
six in
Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...
, two in
Taiwan
Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...
, four in
China
China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
, 12 in
Turkey
Turkey, officially the Republic of Türkiye, is a country mainly located in Anatolia in West Asia, with a relatively small part called East Thrace in Southeast Europe. It borders the Black Sea to the north; Georgia (country), Georgia, Armen ...
, the
Caucasus
The Caucasus () or Caucasia (), is a region spanning Eastern Europe and Western Asia. It is situated between the Black Sea and the Caspian Sea, comprising parts of Southern Russia, Georgia, Armenia, and Azerbaijan. The Caucasus Mountains, i ...
, and
Central Asia
Central Asia is a region of Asia consisting of Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, and Uzbekistan. The countries as a group are also colloquially referred to as the "-stans" as all have names ending with the Persian language, Pers ...
, and six in
Greece
Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...
.
The following is an incomplete list of ''Ligidium'' species:
*''
Ligidium acuminatum''
Li, 2022
*''
Ligidium acutitelson''
Wang & Kwon, 1993
*''
Ligidium anatolicum''
Frankenberger, 1950
*''
Ligidium assimile''
Strouhal, 1971
*''
Ligidium beieri''
Strouhal, 1928
*''
Ligidium birsteini''
Borutzky, 1950
*''
Ligidium blueridgensis''
Schultz, 1964
*''
Ligidium bosniense''
Verhoeff, 1901
*''
Ligidium bosporanum''
Verhoeff, 1941
*''
Ligidium burmanicum''
Verhoeff, 1946
*''
Ligidium cavaticum''
Borutzky, 1950
*''
Ligidium chatoogaensis''
Schultz, 1970
*''
Ligidium cycladicum''
Matsakis, 1978
*''
Ligidium denticulatum''
Shen, 1949
*''
Ligidium duospinatum''
Li, 2022
*''
Ligidium elrodii''
(Packard, 1873)
*''
Ligidium enotahensis''
Recuero & Caterino, 2025
*''
Ligidium euboicum''
Matsakis, 1975
*''
Ligidium floridanum''
Schultz & Johnson, 1984
*''
Ligidium formosanum''
Wang & Kwon, 1993
*''
Ligidium fragile''
Budde-Lund, 1885
*''
Ligidium gadalutsi''
Recuero & Caterino, 2025
*''
Ligidium germanicum''
Verhoeff, 1901
*''
Ligidium ghigii''
Arcangeli, 1928
*''
Ligidium gracile''
(Dana, 1854)
*''
Ligidium hancockensis''
Schultz, 1970
*''
Ligidium hoberlandti''
Frankenberger, 1950
*''
Ligidium hypnorum''
(Cuvier, 1792)
*''
Ligidium inerme''
Nunomura & Xie, 2000
*''
Ligidium intermedium''
Radu, 1950
*''
Ligidium iyoense''
Nunomura, 1983
*''
Ligidium japonicum''
Verhoeff, 1918
*''
Ligidium jiushai''
Tang & Zhou, 1999
*''
Ligidium kiyosumiense''
Nunomura, 1983
*''
Ligidium kofoidi''
Maloney, 1930
*''
Ligidium koreanum''
Flasarová, 1972
*''
Ligidium lapetum''
Mulaik & Mulaik, 1942
*''
Ligidium longisetosum''
Verhoeff & Strouhal, 1967
*''
Ligidium margaritae''
Borutzky, 1955
*''
Ligidium mimense''
Nunomura & Xie, 2000
*''
Ligidium mucronatum''
Mulaik & Mulaik, 1942
*''
Ligidium mylonasi''
Sfenthourakis, 1992
*''
Ligidium nantahala''
Recuero & Caterino, 2025
*''
Ligidium nodulosum''
Verhoeff, 1918
*''
Ligidium pacolet''
Recuero & Caterino, 2025
*''
Ligidium paulum''
Nunomura, 1976
*''
Ligidium protuberans''
Recuero & Caterino, 2025
*''
Ligidium riparum''
Verhoeff, 1943
*''
Ligidium rotundum''
Li, 2022
*''
Ligidium ryukyuense''
Nunomura, 1983
*''
Ligidium schultzi''
Recuero & Caterino, 2025
*''
Ligidium scottensis''
Schultz, 1970
*''
Ligidium shadini''
Borutzky, 1948
*''
Ligidium sichuanensis''
Nunomura, 2002
*''
Ligidium tauricum''
Verhoeff, 1930
*''
Ligidium turcicorum''
Verhoeff, 1949
*''
Ligidium tridentatum''
Li, 2022
*''
Ligidium werneri''
Strouhal, 1937
*''
Ligidium whiteoak''
Recuero & Caterino, 2025
*''
Ligidium zaitzevi''
Borutzky, 1950
*''
Ligidium zernovi''
Borutzky, 1948
References
Woodlice
Isopod genera
{{isopod-stub