Characters used to identify Asicimbex and closely related genus A head of Asicimbex nanjingensis in front view B head of Agenocimbex maculatus in front view C head of Cimbex femoratus in front view D head of Palaeocimbex crataegum in front view E head of Asicimbex nanjingensis in dorsal view F head of Agenocimbex maculatus in dorsal view G head of Cimbex femoratus in dorsal view H head of Palaeocimbex crataegum in dorsal view I inner spur of hind tibia (Asicimbex nanjingensis) J inner spur of hind tibia (Agenocimbex maculatus) K inner spur of hind tibia (Cimbex femoratus) L inner spur of hind tibia (Palaeocimbex crataegum) M lancet of Asicimbex nanjingensis N lancet of Agenocimbex maculatus O lancet of Cimbex femoratus P lancet of Palaeocimbex crataegum Q middle serrulae of Asicimbex nanjingensis R middle serrulae of Agenocimbex maculatus S middle serrulae of Cimbex femoratus T middle serrulae of Palaeocimbex crataegum U penis valve of Asicimbex nanjingensis V penis valve of Agenocimbex maculatus W penis valve of Cimbex femoratus X penis valve of Palaeocimbex crataegum Y claw of Asicimbex elminus Z claw of Agenocimbex maculatus AA claw of Cimbex femoratus. Scale bars: 1 mm (A–H); 500 μm (I–L, M–P); 200 μm (Y–AA); 50 μm (Q–T).