W. A.  Steffan, ?NORTH AMERICAN SCIARIDAE (Diptera). 1. A NEW SPECIES OF SCATOPSCIARA AND LECTOTYPE DESIGNATION OF EUGNORISTE OCCIDENTALIS COQUILLETT?, Pacific Insects, vol. 10, no. 1, pp. 37-41, 1968.

W. A.  Steffan, ?NORTH AMERICAN SCIARIDAE (Diptera). 1. A NEW SPECIES OF SCATOPSCIARA AND LECTOTYPE DESIGNATION OF EUGNORISTE OCCIDENTALIS COQUILLETT?, Pacific Insects, vol. 10, no. 1, pp. 37-41, 1968.

W. A.  Steffan, ?LYCORIELLA SOLANI (WINNERTZ) FROM THE CROZET ISLANDS (Diptera: Sciaridae)?, Pacific Insects, vol. 14, no. 2, pp. 429-431, 1972.