OOTHECA ( EGG CASE ) ON LUDWIGIA OCTOVALVIS

[Bimal Sar kar]

In my childhood I have seen froth like substance on some plants. Elders used to tell the substance is the spit of Monitor Lizard and is poisonous. I heard another story narrated by an old lady. As per that story the substance is the spit of ghost ( BHOOT ). But literature says it is the egg case of some insect ( may be praying mantis ). Other day I saw this substance on a Balsam plant. In the attached image  ootheca is on Ludwigia octovavis.

[J.M. Garg]

Thanks, Bimal ji.

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With regards,
J.M.Garg

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[dr.rakesh Singh]

https://extension.umn.edu/yard-and-garden-insects/spittlebugs 

 https://www.nytimes.com/video/science/100000006346172/how-the-spittlebug-builds-its-bubbly-fortress.html

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[ushadi]

Journal of experimental biology has nice paper this year's february

https://jeb.biologists.org/content/222/3/jeb191973

but I am not sure we have this same species in westBengal

does any body have data?

Regards

Ushadi

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