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Genus Agabus

Carrhydrus crassipes - Agabus crassipes - female Agabus bicolor Kirby - Agabus bicolor Agabus strigulosus - male Agabus austinii - male Agabus tristis Aubé - Agabus tristis - female Agabus antennatus Leech - Agabus antennatus - male Agabus ancillus (Fall) - Agabus ancillus - male Dytiscid... - Agabus
Classification
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 Agabus
Explanation of Names
Agabus Leach 1817
Numbers
51 spp. in our area, >170 spp. in 3 subgenera total(1)(2)
Size
5-14 mm
Range
primarily Holarctic, with a few spp. in SE Asia and Subsaharan Africa (at high altitudes)(1)
Habitat
from vegetation-rich permanent ponds to lotic environments (streams and rivers); some also occur in temporary pools, others inhabit barren, mineral-rich aquatic environs in the arctic and alpine zones(3)
Food
aquatic insects
Life Cycle
most overwinter as adults with breeding, egg laying and immature stages occuring in spring and summer; others may overwinter as larvae and/or eggs(3)