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Genus Ilybiosoma

Dytiscidae - Ilybiosoma Predacious Diving Beetle - Ilybiosoma seriatum Ilybiosoma perplexus - Ilybiosoma perplexum - male Ilybiosoma perplexus - Ilybiosoma perplexum - male Ilybiosoma seriatum - female Predaceous Diving Beetle - Ilybiosoma seriatum Dytiscidae - Ilybiosoma Agabus in restored valley stream - Ilybiosoma seriatum
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Adephaga
Family Dytiscidae (Predaceous Diving Beetles)
Subfamily Agabinae
Tribe Agabini
Genus Ilybiosoma
Synonyms and other taxonomic changes
Includes the former Agabus seriatus group: A. perplexus, A. ilybiiformis, A. pandurus, A. brevicollis, A. regularis, A. lugens, A. roguus, A. minnesotensis, and A. seriatus (as I. seriatum). See Nilsson (2001)
Explanation of Names
Ilybiosoma Crotch 1873
13 spp. in our area, 17 total(1)
6.9-13.2 mm(1)
mostly nearctic, primarily western with center of diversity in sw US; only the transcontinentalI. seriatum present in the east(2); a handful of spp. in warmer parts of the Old World(1)
Lotic, in streams/springs(2)
Print References
Nilsson A.N. (2001) World Catalogue of Insects, vol. 3: Dytiscidae (Coleoptera). Apollo Books, 395 pp.