7. Female with terminal flagellomere enlarged, noticeably wider than penultimate flagellomeres. Flagellomere 3 of male with posterior margin of concavity produced as tooth, flagellomere 4 with concavity more shallow than that of flagellomere 3 (note that male of calva is unknown). Tarsal claws elongate and weakly curved. Distribution: northern North America, south to Colorado.

7’. Female with terminal flagellomere not wider than penultimate flagellomeres. Flagellomere 3 of male with posterior margin not produced, flagellomere 4 with concavity about equal to that of flagellomere 3 (note that male of calva is unknown). Tarsal claws either elongate and weakly curved, or stout and strongly curved.