TY - CHAP T1 - Diptera T2 - Entomology 133: biology of aquatic and littoral insects Y1 - 1948 A1 - Wirth, W.W. SP - 86‒136, 223‒239 JF - Entomology 133: biology of aquatic and littoral insects PB - University of California CY - Berkley. ER -