Galerucella nymphaeae on:
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''Galerucella nymphaeae'', known generally as the water-lily beetle or water lily leaf beetle, is a species of skeletonizing leaf beetle in the family 
Chrysomelidae
The insects of the beetle family Chrysomelidae are commonly known as leaf beetles, and include over 37,000 (and probably at least 50,000) species in more than 2,500 genera, making up one of the largest and most commonly encountered of all beetle ...
. It is found in North America and Europe.
References
Further reading
* *External links
* Galerucinae Articles created by Qbugbot Beetles described in 1758 Taxa named by Carl Linnaeus {{Galerucinae-stub