Center for Systematic Entomology, Gainesville, Florida


Date of this Version

October 1986


Published in Insecta Mundi Vol. 1 , no. 3, October 1986. Copyright © 1986 Staines, Jr.
Insecta Mundi, published by the Center for Systematic Entomology, is available online at


The only published checklist of the Hydradephaga from the Maryland area is Ulke (1902) who records 65 species from the District of Columbia. The present paper lists 121 species as occurring in Maryland. Comparable lists for other states are as follows: Young (1954), 120 species from Florida; Folkerts (1978), 120 species from New York; and Brigham (1982) and Sanderson (1982), 115 species from North and South Carolina. Some of the identifications are questionable until generic revisions are completed. This is especially true of Hydroporus and Gyrinus.

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