Key to the Japanese species of Cordilura (males and females)

1. Postpedicel long, about 3 times as long as wide (Fig. 18).......................................... C. remmi Elberg - Postpedicel normal, about 2 times as long as wide (Fig. 6)..................................................... 2 2. Thoracic sclerites wholly black.......................................................................... 3 - Thoracic sclerites wholly or partly yellow to greyish microtrichose.............................................. 4 3. Fore legs wholly yellow (Fig. 10)............................................................ C. katoi sp. nov. - Fore femora wholly black and fore tibiae yellow (Fig. 24).................................... C. shinonagai sp. nov.

4. Scutum and thoracic sclerites greyish microtrichose (Fig. 28)................................... C. yezoana sp. nov.

- Scutum shining or subshining........................................................................... 5

5. Scutum subshining; thoracic sclerites greyish microtrichose......................... C. richterae Ozerov & Krivosheina

- Scutum shining; thoracic sclerites shining and wholly or partly yellow........................................... 6

6. Thoracic sclerites wholly yellow........................................................... C. albipes (Fallén)

- Thoracic sclerites partly yellow; anepimeron black........................................................... 7

7. Frons wholly yellow (Fig. 16); wing with a dark spot apically (Fig. 15); posterior lobe of male surstylus more setigerous and ventrally projected (see Sasakawa (1986)) ................................................. C. nubecula Sasakawa

- Frons wholly or posteriorly dark brown to black; wing without a dark spot apically (Fig. 5); posterior lobe of male surstylus weakly setigerous and ventrally not projected (Figs 8, 9)..................................... C. cuspidata Sasakawa