Tenthredo notha, a common sawfly, is a species belonging to the family Tenthredinidae subfamily Tenthrediniinae.

[1] This species is mainly present in British Isles, Bulgaria, Croatia, Czech Republic, France, Germany, Italy, Austria, Belgium, Slovakia, Sweden, Switzerland, Poland, Russia, Ukraine and Greece.

[3] These quite large sawflies have a lemon-yellow abdomen with black markings.

[4] They can be encountered from June through September feeding on small insects and on nectar and pollen of flowers (especially on Apiaceae species).

[3] The larvae mainly feed on clover (Trifolium repens), they overwinter as eonymph, pupating and emerging the following Spring.