The Hexacentrinae, are a subfamily of predatory
bush crickets or katydids. The type genus is ''
Hexacentrus
''Hexacentrus'' is the type genus of bush-crickets in the subfamily Hexacentrinae. Most species of this genus occur in Southeast Asia and in Africa
Africa is the world's second-largest and second-most populous continent, after Asia in ...
'', which may be known as "balloon-winged" bush crickets/katydids etc., is also the most speciose and widespread in Africa and Asia.
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Description
The group has sometimes been treated as a tribe (as "Hexacentrini") within Conocephalinae
Conocephalinae, meaning "conical head", is an Orthopteran subfamily in the family Tettigoniidae.
Genera
The Orthoptera Species File lists the following subtribes and genera:
Tribe Agraeciini
Mostly South America, Africa, South-East Asia an ...
, which may be a sister group.[
A.V. Gorochov described the following characters for this subfamily:][
* ]rostrum
Rostrum may refer to:
* Any kind of a platform for a speaker:
**dais
**pulpit
* Rostrum (anatomy), a beak, or anatomical structure resembling a beak, as in the mouthparts of many sucking insects
* Rostrum (ship), a form of bow on naval ships
* Ros ...
of head narrow with simple, moderately long mandibles, without distinct sexual dimorphism;
* flat, wide hind lobe 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 e ...
with thoracic sternites having a pair of spines or finger-like processes;
* fore and middle legs have tibiae with long spines, especially on the ventral surface (for predation);
* hind wings (if not shortened) with developed “costal lobe”, and a characteristic thickened crossvein;
* anal plate and epiproct
This glossary of entomology describes terms used in the formal study of insect species by entomologists.
A–C
A synthetic chlorinated hydrocarbon insecticide, toxic to vertebrates. Though ...
rather simple (no distinct specializations) in both sexes, but male paraproct
Insect morphology is the study and description of the physical form of insects. The terminology used to describe insects is similar to that used for other arthropods due to their shared evolutionary history. Three physical features separate insec ...
s have a finger-like process or distinct lobule at their apex.
Genera and Distribution
, the ''Orthoptera Species File'' lists the following tribes and genera:
South American tribes
Genera have been placed in two tribes, mostly from Ecuador.[
;Ecuanedubini Braun, Chamorro-Rengifo & Morris, 2009
# '' Acanthoraculus'' Braun & Morris, 2009 (1 species)
# '' Ecuaneduba'' Gorochov, 2006 (3 spp.)
;Nubimystrigini Braun, 2016
# '' Nubimystrix'' Braun, 2016 (2 sp.)
]
Unplaced genera
# '' Aerotegmina'' Hemp, 2001 (4 spp. E Africa)
# '' Alison'' Rentz, 2001 (4 spp. Australia, New Guinea
New Guinea (; Hiri Motu
Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea).
It is a simplified version of ...
)
# '' Euhexacentrus'' Hebard, 1922 (1 sp. Philippines)
# '' Glenophisis'' Karny, 1926 (5 spp. Malesia
Malesia is a biogeographical region straddling the Equator and the boundaries of the Indomalayan and Australasian realms, and also a phytogeographical floristic region in the Paleotropical Kingdom. It has been given different definitions. The ...
)
# ''Hexacentrus
''Hexacentrus'' is the type genus of bush-crickets in the subfamily Hexacentrinae. Most species of this genus occur in Southeast Asia and in Africa
Africa is the world's second-largest and second-most populous continent, after Asia in ...
'' Serville, 1831 (28 spp. Africa, SE Asia)
# '' Nepheliphila'' Hugel, 2010 (1 sp. Indian Ocean)
# '' Parahexacentrus'' Karny, 1912 (1 sp. New Guinea)
# '' Parateuthras'' Bolívar, 1905 (2 spp. New Guinea)
# '' Philippicentrus'' Willemse, 1961 (1 sp. Philippines)
# '' Teuthroides'' Bolívar, 1905 (1 sp. New Guinea)
References
{{Taxonbar, from=Q3135013
Tettigoniidae
Orthoptera subfamilies
Orthoptera of Africa
Orthoptera of Asia
Orthoptera of South America