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My opinion in this matter is based on the following material:
USA, RI, Coventry Co, 1♂, 1♀, identified as Ph. atlanis Malloch, 1923.
USA, TX, Brazos Co, 3♀♀ which keys to Ph. fuscana (= Ph. fusca Stein, 1989) on Malloch (1923).
Ph. atlanis fits Malloch (1923) description well (strong apical pd on t3; only 1 spine-like pv on f2; small size: 5-5.5 mm; setulae on ventral side of radial node; abdominal pattern as in Ph. fuscata).
Females from TX are of larger size and somewhat enigmatic:
1 female fits Ph. fuscata (radial node bare; abdomen with dark median vitta consisting of triangular spots; f2 with 1 spine-like pv).
Other 2 females have: radial node with 3-4 remarkably strong setulae; 2 pv setae on f2; abdominal pattern slightly different (Ph. fuscana ?)
So, John, check again your female specimen.