(Dana, 1849)
Females: In dorsal view, one robust spine-like process extending obliquely posteriad from left side, and one robust spine extending posteriad from right side of Gns; both surpass posterior margin of Gns. More characters can be accessed by backtracking the key:
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Males: In dorsal view, process on right side of Gns large, consisting of single broad and rounded projection. More characters can be accessed by backtracking the key:
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