Ilybius biguttulus, Taxa Only, Exact Match: 2 Treatments

Ilybius biguttulus			Hicks, B. J. & Larson, D. J., 2000, Descriptions And Recognition Of Larvae Of Some Northern North American Species Of Ilybius Erichson (Coleoptera: Dytiscidae), The Coleopterists Bulletin 54 (1), pp. 36-59 : 40	40
Ilybius biguttulus			Majka, Christopher, 2008, The aquatic Coleoptera of Prince Edward Island, Canada: new records and faunal composition, ZooKeys 2 (2), pp. 239-260 : 249	249