| 1.Apical wing spot large (Fig. 5); 2nd sternum with basomedial digitate process (Fig. 8). Mesonotum and 3rd tergum black pilose; occiput extensively white pollinose .....aemula Williston |
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1.'Apical wing spot small (Fig. 6); 2nd sternum without process (Fig. 7) .....2 |