''Tegra novaehollandiae'' is a species of
bush crickets in the tribe Cymatomerini and the subfamily
Pseudophyllinae
The subfamily Pseudophyllinae contains numerous species in the family Tettigoniidae, the katydids or bush crickets. Sometimes called "true katydids", together with the crickets of suborder Ensifera, they form part of the insect order Orthoptera ...
; it is native to
tropical Asia.
[
R. W. G. Hingston (1927), ]
The liquid-squirting habit of oriental grasshoppers
'. Transactions of the Entomological Society of London, part I, volume 75, pages 65-69.
[
(2013]
''Tegra novaehollandiae viridinotata'' (Stål 1874)
from Orthoptera Species File (OSF) Online. Accessed on 2013-01-30.
[
(2013]
''Tegra novaehollandiae novaehollandiae'' (Haan, 1842)
from Orthoptera Species File (OSF) Online. Accessed on 2013-01-30.
Subspecies
* ''T. novaehollandiae viridinotata'' -
India[
* ''T. novaehollandiae novaehollandiae'' - Malaysia, ]Sumatra
Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...
[
* ''T. novaehollandiae immunis'' - Indo-China, Northern ]Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
[
(2013]
''Tegra novaehollandiae immunis'' (Brunner von Wattenwyl, 1893)
from Orthoptera Species File (OSF) Online. Accessed on 2013-01-30.
Habits
The subspecies ''T. n. viridinotata'' has one generation per year. It overwinters in the trunk of pear trees． Nymph and adult eat the leaves of ''Glochidion puberum
''Glochidion puberum'' is a species of shrub or small tree in the family Phyllanthaceae. It is native to China, where it is widely distributed in both subtropical and temperate regions ( Anhui, Fujian, Gansu, Guangdong, Guizhou, Hainan, He ...
''. The eggs are laid in pear trees.[
She Desong, Zhou Chuanliang, Feng Fujuan, Dong Liyun, Lian Fei, Liu Xionglan (2004)]
''Preliminary study on biological properties of ''Tegra novaehollandiae-viridinotata''.''
Journal of Zhejiang Forestry Science and Technology, volume 24, issue 5, pages 30-31.
The mottled colors and texture if ''T. n. novaehollandiae'' allow it to blend into the bark of the trees where it is usually found, motionless, with legs and antenna
Antenna ( antennas or antennae) may refer to:
Science and engineering
* Antenna (radio), also known as an aerial, a transducer designed to transmit or receive electromagnetic (e.g., TV or radio) waves
* Antennae Galaxies, the name of two collid ...
e thrust out in front. Some spots
of green on the tegmina are said to resemble moss on the bark.[
When its thorax is pinched, ''T. n. novaehollandiae'' emits two large drops of a yellow ]fluid
In physics, a fluid is a liquid, gas, or other material that continuously deforms (''flows'') under an applied shear stress, or external force. They have zero shear modulus, or, in simpler terms, are substances which cannot resist any shear ...
from openings on the dorsal surface of its protonum, as well as smaller amounts from other apertures on its body. The fluid is also produced by the tegmina when they are compressed.[
]
See also
* '' Poecilocerus pictus'', another squirting grasshopper.[
* '' Aularches miliaris'', a foam-squirting grasshopper from ]Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...
.[
* '' Parasanaa donovani'', a grasshopper from north India, squirts a yellow slimy liquid several inches.][
]
References
External links
*
{{Taxonbar, from=Q7694762
Pseudophyllinae
Insects of Asia
Insects described in 1842