Couplet 35

35a:  Either with antenna moniliform and body elongate (Figure 26-84A) (Brentine, Cyphagoginae, Trachelizinae); or antenna straight and clubbed, body pear-shaped, hind trochanter cylindrical, squarely joined to femur (Apioninae, Nanophyinae); or antenna geniculate, body pear-shaped and hind trochanter cylindrical, squarely joined to femur (Nanophyinae); or antenna with 9-10 antennomeres and body elongate-cylindrical (Figure 26-86) (Cyladinae, Nanophyinae)

Brentidae  p.453

35b:  Antenna straight, not geniculate, with 11 antennomeres, club distinct (Figure 26-85C-D); hind trochanter triangular o diamond-shaped, obliquely joined to femur; body form variable.