Predacious Diving Beetle

Republic of Equatorial Guinea 1978Czechoslovakia 1962Finland 1996Czechoslovakia 1992
Predacious Diving Beetle
Dytiscus dytiscus
(Dytiscidae)
Eupopean Great Diving Beetle
Dytiscus marginalis
(Dytiscidae)
Eupopean Great Diving Beetle
Dytiscus marginalis
(Dytiscidae)
Predacious Diving Beetle
Dytiscus latissimus
(Dytiscidae)
British Tristan da Cunha 1993Singapore 2011Republic of Korea 1991Tuvalu 2012United States of America 1999
Predacious Diving Beetle
Senilites tristanicola
(Dytiscidae)
Diving Beetle
Cybister rugosus
(Dytiscidae)
Great Diving Beetle
Cybister japonicus
(Dytiscidae)
Lesser Diving Beetle
Acilius sulcatus
(Dytiscidae)
Spotted Water Beetle
Thermonectus marmoratus
(Dytiscidae)
Hungary 1954Great Britan 2013
Great Silver Water Beetle
Hydrophilus piceus
(Hydrophilidae)
Lesser Silver Water Beetle
Hydrochara caraboides
(Hydrophilidae)


Great Diving Beetle
Cybister japonicus
(Dytiscidae)
(COLEOPTERA)
Great Diving Beetle
Cybister japonicus
(Dytiscidae)
(COLEOPTERA)
Great Diving Beetle
Cybister japonicus
(Dytiscidae)
(COLEOPTERA)


A form is a spindle shape and its back is flat. The point that convenience is good long hair being located in a line with the point which stores air between a front shuttlecock and an abdomen and breathes, and brawny hind legs, writing water underwater, and obtaining impelling force etc. is the feature of Predacious Diving Beetle. An imago and a larva inhabit underwater , such as a pond, a swamp, and a brook. By meat diet nature, it preys on underwater Insecta, frogs, small fish, etc.
On the other hand, a Water Beetle friend can distinguish from Predacious Diving Beetle of other aquatic lives at the point that the tip of Section 3 of an antenna becomes round, the point that the mustache of a mouth is long, etc. Swimming preys on the small Insecta of other larva not much well, and an imago eats an underwater alga etc.

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