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 Lesser Marsh Grasshopper  Chorthippus albomarginatus


 

Lesser Marsh Grasshopper (Chorthippus albomarginatus)  Fraser Simpson

female Lesser Marsh Grasshopper (Chorthippus albomarginatus), Benfleet Creek, England, Aug 2019

 

Lesser Marsh Grasshopper (Chorthippus albomarginatus)  Fraser Simpson

female Lesser Marsh Grasshopper (Chorthippus albomarginatus), Regent's Park, England, Sep 2019

 

 

Lesser Marsh Grasshopper (Chorthippus albomarginatus)  Fraser Simpson

female Lesser Marsh Grasshopper (Chorthippus albomarginatus), Rainham Marshes, England, Aug 2020

 

 

Lesser Marsh Grasshopper (Chorthippus albomarginatus)  Fraser Simpson

female Lesser Marsh Grasshopper (Chorthippus albomarginatus), Rainham Marshes, England, Aug 2020

 

 

Lesser Marsh Grasshopper (Chorthippus albomarginatus)  Fraser Simpson

male Lesser Marsh Grasshopper (Chorthippus albomarginatus), Rainham Marshes, England, Aug 2020

 

 

Lesser Marsh Grasshopper (Chorthippus albomarginatus)  Fraser Simpson

male Lesser Marsh Grasshopper (Chorthippus albomarginatus), Rainham Marshes, England, Aug 2020

 

 

Sonogram of Lesser Marsh Grasshopper calling song stridulation [lessermarshgrasshopper117352capcut2]

Indoor recording in terrarium  17 August 2020  01:30h

Calling song/stridulation from a captive male Lesser Marsh Grasshopper (Chorthippus albomarginatus) in a terrarium with an adult female.

A short (1.0-1.4 sec) fast rattle which begins and ends fairly abruptly, repeated every 5 secs or so, interspersed with occasional shorter 3-4 element rattles (at 25.42C ambient room temp, no heat lamp or direct sun).

[File name: lessermarshgrasshopper117352capcut2] Click here for the MP3 file


     

 

Oscillogram of Lesser Marsh Grasshopper calling song stridulation [lessermarshgrasshopper117352capcut2]

Oscillogram of Lesser Marsh Grasshopper calling song stridulation [lessermarshgrasshopper117352capcut2]

Oscillogram of Lesser Marsh Grasshopper calling song stridulation [lessermarshgrasshopper117352capcut2]

Indoor recording in terrarium  17 August 2020  01:30h

Calling song/stridulation from a captive male Lesser Marsh Grasshopper (Chorthippus albomarginatus) in a terrarium with an adult female.

 

 

 

Sonogram of Lesser Marsh Grasshopper calling song stridulation [lessermarshgrasshopper117352capcut1]

Indoor recording in terrarium  17 August 2020  01:50h

Courtship song from a captive male Lesser Marsh Grasshopper (Chorthippus albomarginatus) in a terrarium with an adult female.

A complex mix of stridulations consisting of repeated cycles (up to 27 sec) of very soft hissing interspersed with louder rasps, ending with lower-frequency ticking (at 25.42C ambient room temp, no heat lamp or direct sun).

[File name: lessermarshgrasshopper117352capcut1] Click here for the MP3 file


     

 

Sonogram of Lesser Marsh Grasshopper courtship stridulation [lessermarshgrasshopper117352capcut1]

Sonogram of Lesser Marsh Grasshopper courtship stridulation [lessermarshgrasshopper117352capcut1]

Sonogram of Lesser Marsh Grasshopper courtship stridulation [lessermarshgrasshopper117352capcut1]

Indoor recording in terrarium  17 August 2020  01:50h

Courtship song from a captive male Lesser Marsh Grasshopper (Chorthippus albomarginatus) in a terrarium with an adult female.

 

 

 

Sonogram of Lesser Marsh Grasshopper courtship stridulation

Benfleet Creek, Essex, England  51 32' 14.9" N   00 35' 54.3" E  26 August 2019  17:59h

Courtship song from male  Lesser Marsh Grasshopper (Chorthippus albomarginatus) facing a female in coastal grassland.

A complex mix of stridulations consisting of repeated cycles (up to 10 sec) of very soft hissing interspersed with 0.4 sec louder rasps, ending with a two second, lower-frequency ticking (10 elements/sec) (at 30C).

[File name: lessermarshgrasshopper112781ecut1] Click here for the MP3 file


     

 

Oscillogram of Lesser Marsh Grasshopper courtship stridulation

Oscillogram of Lesser Marsh Grasshopper courtship stridulation

Oscillogram of Lesser Marsh Grasshopper courtship stridulation

Benfleet Creek, Essex, England  51 32' 14.9" N   00 35' 54.3" E  26 August 2019  17:59h

Oscillogram of courtship song from male  Lesser Marsh Grasshopper (Chorthippus albomarginatus) facing a female in coastal grassland.

 

 

Sonogram of Lesser Marsh Grasshopper aggression stridulation

Benfleet Creek, Essex, England  51 32' 14.9" N   00 35' 54.3" E  26 August 2019  18:00h

Aggressive encounter between two male Lesser Marsh Grasshoppers (Chorthippus albomarginatus) following disruption of courtship behaviour (at 30C).

[File name: lessermarshgrasshopper112781ecut2] Click here for the MP3 file


     

 


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   Fraser Simpson    www.fssbirding.org.uk