Bembidion (Trichoplataphus) fugax (LeConte) 1848
Commonly found in a variety of situations; on coarse gravel and sand mixed with silt, in leaf litter on the secondary floodplain, under small branches on the secondary floodplain, and under bark of a downed tree after high water. On the river bank it can be taken by splashing water over the substrate. The beetles are fully winged and no doubt fly. Many examples were collected on the Island and adjacent shores between 1902 and the present (HSB & EAS, RCS, JLW, PJS, GFH, TLE & DRW, DRW). Subtenerals were collected in July and August. Adults were found in April, May, June, July, August, and September. Hibernation takes place in the adult stage. Total length, 5.0 to 6.0 (5.5).
Synonyms: Ochthedromus fugax, LeConte, 1848; Ochthedromus planipenne, LeConte, 1850; Bembidion Champlaini, Casey, 1918