104 HEMIPTERA. 



Degeer, Ins. 3. p. 396. t. 19 /• 1, & 



Roesel. Ins. 3. App. 1. £. 23. 



Schaeff. Icon. Lis. t. 5.f. 5, 6. 



Inhabits Europe, and is found in stagnant waters. 



PI. 37. 



( 



