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Neoxabea bipunctata (De Geer, 1773)
TWO-SPOTTED TREE CRICKET
Life   Insecta   Orthoptera   Gryllidae   Neoxabea

Neoxabea bipunctata
© John Pickering, 2004-2019 · -1
Neoxabea bipunctata

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two-spotted tree cricket

Neoxabea bipunctata (De Geer 1773)

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map male male male
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male female female 2nd instar juvenile
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3rd instar juvenile 4th instar juvenile 5th instar juvenile 5th instar juvenile
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postcopulatory behavior postcopulatory behavior tarsal claw antennal segments
20 s of calling song; male from Shelby Co., Ohio; 24.2°C. (WTL601-4)
21 s of courtship; male from Shelby Co., Ohio; 24.5°C. (WTL601-3a)
spectrogram
 Click on sound bar to hear graphed song.
Sound spectrogram of 1 s of calling at 24.2°C (from WTL601-4). Dominant frequency 3.4 kHz.
Click on spectrogram to expand its spectrographic image.
Identification: Length 14–18 mm.
Seasonal data: n. Fla . seasonal data.
References: Fulton 1915 ; Funk 1989 ; Walker 1962 , 1967 , 1978 . Collins 2010-date .
Nomenclature: OSF (Orthoptera Species File Online)
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HOME
TAXONOMY
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Key to ID of U.S. Species
Alexander
Black-horned -- nigricornis
Broad-winged -- latipennis
Davis
Different-horned -- varicornis
Fast-calling -- celerinictus
Forbes
4-spotted - quadripunctatus
Narrow-winged -- niveus
Pine -- pini
Prairie -- argentinus
Riley
Snowy -- fultoni
Tamarack -- laricis
Texas -- texensis
Thin-lined -- leptogrammus
Walker
Western -- californicus
Great  -- major
Two-spotted - N. bipunctata
Allard
Nicaraguan Oecanthus x3
Nicaragua Neoxabea x2
New species from Mexico
Song of Otomi tree cricket
Mexico sp. n. 2
3rd new sp. from Mexico
Sage tree cricket
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Warm up singing
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Of Special Interest
     
 



If you look carefully, so can see the wings moving up against the hole in the leaf as the male sings.  This species commonly makes a hole the same size and shape of his opened wings -- so that when he sings, the wings are flush with the leaf.  This amplifies the volume of his singing -- a self-made baffle.
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This photo shows several leaves from one branch of grapevine with holes made by a male Neoxabea bipunctata. Note they are the same general size, shape and on the same quadrant of each leaf.


Male Neoxabea bipunctata.


Female Neoxabea bipunctata.  The 'knob' is visible on the pedicel of the right-sided antenna.

























Knob seen through a microscope.  (Neoxabea ottei from Nicaragua)


This is the male Two-spotted tree cricket who sent me on my journey in 2006 to find out more about the little bug that was making so much noise on my patio.  He chewed the hole in this sunflower leaf - an exact size and shape of his opened wings - to act as a baffle or amplifier for his song.

Nice view of the metanotal gland as the male raises his wings to sing.








































Tree crickets in the genus Neoxabea use a different mating tactic than those in the genus Oecanthus.  Oecanthus species grasp onto vegetation with all 6 limbs. Neoxabean males grasp vegetation with their 4 front limbs and the back 2 limbs dangle down; Neoxabean females grasp onto the male with their front limbs. They flail around as they dangle downward - probably to keep the female from prematurely removing the spermatophore.



Video of a Two-spotted male tree cricket taking flight - quite possibly the first time this has been caught on video for this species. 
[Note: Videos will not play with Microsoft Edge]

Description by Charles DeGeer.

 
     

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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Neoxabea+bipunctata&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Animal ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Neoxabea+bipunctata&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Animal

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Number of matches : 3
Query: SELECT * FROM img WHERE ready=1 and taxon like "Neoxabea bipunctata%" and (lifeform != "specimen_tag" OR lifeform != "Animal") ORDER BY taxon

Click on the thumbnail to see an enlargement

Neoxabea bipunctata
Neoxabea bipunctata
Two-spotted Tree Cricket
ID: 0000 0000 0209 0840 [detail]
© 2009 Nancy Collins

Neoxabea bipunctata
Neoxabea bipunctata
Two-spotted Tree Cricket
ID: 0000 0000 0210 2602 [detail]
© 2010 Nancy Collins

Neoxabea bipunctata
Neoxabea bipunctata
Two-spotted Tree Cricket
ID: 0000 0000 0210 2603 [detail]
© 2010 Nancy Collins

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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Updated: 2019-11-22 03:20:02 gmt
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