''Cercotmetus'' is a genus of water
bugs in the subfamily
Ranatrinae
Nepidae is a family of exclusively aquatic Heteropteran insects in the order Hemiptera. They are commonly called water scorpions for their superficial resemblance to scorpions, due to their raptorial forelegs and the presence of a long slender p ...
("water stick-insects"). The recorded distribution of this genus is from is from mainland Asia to New Guinea and northern Australia.
Description
''Cercotmetus'' species are similar to the related genus ''
Ranatra
''Ranatra'' is a genus of slender predatory insects of the family Nepidae, known as water scorpions or water stick-insects. There are around 100 ''Ranatra'' species found in freshwater habitats around the world, both in warm and temperate regions ...
'', but have distinctly shorter respiratory siphons (posterior breathing tubes, which are ΒΌ or less of the body length) and the front
femur
The femur (; ), or thigh bone, is the proximal bone of the hindlimb in tetrapod vertebrates. The head of the femur articulates with the acetabulum in the pelvic bone forming the hip joint, while the distal part of the femur articulates with ...
is shorter than length of the
pronotum
The prothorax is the foremost of the three segments in the thorax of an insect, and bears the first pair of legs. Its principal sclerites (exoskeletal plates) are the pronotum (dorsal), the prosternum (ventral), and the propleuron (lateral) on ea ...
.
Species
The
Global Biodiversity Information Facility
The Global Biodiversity Information Facility (GBIF) is an international organisation that focuses on making scientific data on biodiversity available via the Internet using web services. The data are provided by many institutions from around the ...
lists:
[Global Biodiversity Information Facility: ''Cercotmetus'' Amyot & Serville, 1843 (retrieved 13 January 2021)]
/ref>
* ''Cercotmetus asiaticus
''Cercotmetus'' is a genus of water bugs in the subfamily Ranatrinae ("water stick-insects"). The recorded distribution of this genus is from is from mainland Asia to New Guinea and northern Australia.
Description
''Cercotmetus'' species are s ...
'' Amyot & Serville, 1843 - type species
* ''Cercotmetus brevipes
''Cercotmetus'' is a genus of water bugs in the subfamily Ranatrinae ("water stick-insects"). The recorded distribution of this genus is from is from mainland Asia to New Guinea and northern Australia.
Description
''Cercotmetus'' species are s ...
'' Montandon, 1909
* ''Cercotmetus compositus
''Cercotmetus'' is a genus of water bugs in the subfamily Ranatrinae ("water stick-insects"). The recorded distribution of this genus is from is from mainland Asia to New Guinea and northern Australia.
Description
''Cercotmetus'' species are s ...
'' Montandon, 1903
* ''Cercotmetus dissidens
''Cercotmetus'' is a genus of water bugs in the subfamily Ranatrinae ("water stick-insects"). The recorded distribution of this genus is from is from mainland Asia to New Guinea and northern Australia.
Description
''Cercotmetus'' species are ...
'' Montandon, 1911
* ''Cercotmetus fumosus
''Cercotmetus'' is a genus of water bugs in the subfamily Ranatrinae ("water stick-insects"). The recorded distribution of this genus is from is from mainland Asia to New Guinea and northern Australia.
Description
''Cercotmetus'' species are s ...
'' Distant, 1904
* ''Cercotmetus horni
''Cercotmetus'' is a genus of water bugs in the subfamily Ranatrinae ("water stick-insects"). The recorded distribution of this genus is from is from mainland Asia to New Guinea and northern Australia.
Description
''Cercotmetus'' species are s ...
'' Montandon, 1911
* ''Cercotmetus minutus
''Cercotmetus'' is a genus of water bugs in the subfamily Ranatrinae ("water stick-insects"). The recorded distribution of this genus is from is from mainland Asia to New Guinea and northern Australia.
Description
''Cercotmetus'' species are s ...
'' Keffer & J.Polhemus, 1999
* ''Cercotmetus pilipes
''Cercotmetus'' is a genus of water bugs in the subfamily Ranatrinae ("water stick-insects"). The recorded distribution of this genus is from is from mainland Asia to New Guinea and northern Australia.
Description
''Cercotmetus'' species are s ...
'' (Dallas, 1850)
* ''Cercotmetus robustus
''Cercotmetus'' is a genus of water bugs in the subfamily Ranatrinae ("water stick-insects"). The recorded distribution of this genus is from is from mainland Asia to New Guinea and northern Australia.
Description
''Cercotmetus'' species are s ...
'' Montandon, 1911
* ''Cercotmetus strangulatus
''Cercotmetus'' is a genus of water bugs in the subfamily Ranatrinae ("water stick-insects"). The recorded distribution of this genus is from is from mainland Asia to New Guinea and northern Australia.
Description
''Cercotmetus'' species are s ...
'' Montandon, 1911
References
External links
*
{{taxonbar, from=Q21230783
Nepidae
Nepomorpha genera
Hemiptera of Asia