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Thus, in June in particular, mating and egg-laying came one after the other in the terrariums.


Nesting boxes filled with Crau soil enabled the females to lay their eggs by pressing the tip of their abdomen into the substrate.

The rice grain-looking eggs are surrounded by a foam produced by the female as she lays her eggs. This foam mixes with the soil and solidifies to form a rigid protective envelope.

Each clutch, called an ootheca, can contain up to 19 eggs.


These were quickly transferred to the aviaries set up in the Crau, to be incubated under natural conditions. There are now more than 150 oothecae waiting to hatch at the end of March.


Communicating and raising awareness

An educational kit dedicated to the Crau Grasshopper

Published: Octobre 16 2023

The Conservatoire d’espaces naturels de Provence-Alpes-Côte d’Azur, La Barben Zoo and the Zoological Park of the Museum of Besançon have produced an educational kit to be used at local events  to raise awareness among ...

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Communicating and raising awareness

New treasure hunt game “In search of Mr Crau Grasshopper”

Published: Octobre 02 2023


Since last spring, the Ecomusée has been offering visitors the chance to take advantage of their visit to go in search of “Mr Crau Grasshopper”.

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Communicating and raising awareness

An InterLIFE trip for the Crau Grasshopper

Published: Septembre 29 2023

The Crau grasshopper is becoming increasingly popular, and there are many national and international requests for information on this unique insect. Lisbeth Zechner, LIFE SOS Crau grasshopper project manager at the Conservatoire ...

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Breeding and reintroduction
Deux oothèques ressemblant à deux tas de terre

A new generation of grasshoppers for 2024

Published: Septembre 07 2023

The Crau grasshoppers were busy at the start of the summer! Having become adults within a few weeks timeframe and after undergoing five moults, the grasshoppers from the three breeding stations (La Barben Zoological Park, Besançon Museum ...

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