Ewingella

Newly named genus of bacteria (family Enterobacteriaciae) that are usually motile, produce acid but not gas from glucose, use citrate as a carbon source, and do not produce hydrogen sulfide on triple sugar; the type species is E. americana, found in the human respiratory tract and recovered from cases of septicemia, usually in association with polymicrobial sepsis.

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Ew·ing·el·la (u″ing-elґə) [William H. Ewing, American bacteriologist, 1914–1998] a genus of gram-negative, rod-shaped bacteria of the family Enterobacteriaceae, consisting of facultatively anaerobic, oxidase-negative, catalase-positive organisms that are motile by peritrichous flagella. The type species is E. americaґna.