''Exema'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
leaf beetle
The insects of the beetle family Chrysomelidae are commonly known as leaf beetles, and include over 37,000 (and probably at least 50,000) species in more than 2,500 genera, making up one of the largest and most commonly encountered of all beetle ...
s in the
tribe
The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English language, English is in the discipline of anthropology. This definition is contested, in p ...
Fulcidacini
The Fulcidacini, sometimes known as the warty leaf beetles, are a tribe within the leaf beetle subfamily Cryptocephalinae, though historically they were often treated as a distinct subfamily, Chlamisinae. 11 genera with altogether about 400 s ...
. They occur worldwide, with 9
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
in
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
for example.
Selected species
*''
Exema byersi''
Karren, 1966[Balsbaugh & Hays (1972)]
*''
Exema canadensis''
Pierce, 1940[Insect Photo Album]
''Exema'' Species
Retrieved 2006-DEC-17.
*''Exema chiricahuana''
Pierce, 1941
*''
Exema conspersa''
Mannerheim, 1843
*''
Exema deserti''
Pierce, 1940
*''
Exema dispar''
Lacordaire, 1848
*''
Exema elliptica''
Karren, 1966
*''
Exema gibber''
Fabricius, 1798
*''Exema globensis''
Pierce, 1940
*''Exema inyoensis''
Pierce, 1940
*''Exema jenksi''
Pierce, 1940
*''
Exema mormona''
Karren, 1966
*''
Exema neglecta''
Blatchley, 1920
*''Exema parvisaxi''
Pierce 1940
Footnotes
References
* (1972): The Leaf Beetles of Alabama. ''Bulletin of the Alabama Agricultural Experiment Station'' 441: 1–223
HTML fulltext
External links
*
Cryptocephalinae
Chrysomelidae genera
Taxa named by Jean Théodore Lacordaire
{{Cryptocephalinae-stub