Couplet 190

190a:  Median longitudinal line (discrimen) of metasternum short, extended from hind margin less than half total length of sclerite; mid coxa normal, convex and punctate anterior to trochanteral insertion

190b:  Median longitudinal line (discrimen) of metasternum longer, extended from hind margin more than half total length of sclerite; mid coxa with unique, polished, ventral face anterior to trochanteral insertion

Tetratomidae   p. 434

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