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Beetle fauna of Germany © 2007–2017 Christoph Benisch
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  Order Coleoptera      Superfamily Caraboidea 61,355  
  Noteridae

Dytiscidae (diving beetles)

Gyrinidae  
The diving beetles (Dytiscidae) are a speciose family comprising more than 3000 species worldwide. 150 species are known to occur in Germany. Most species are of oval shape and their body length varies considerably, e.g. Hydroporus scalesianus is only 2 mm long, whereas Cybister lateralimarginalis is one of our largest species with close to 40 mm body length. They are good swimmers and can be found in different types of waters rich in plants, e.g. ponds, lakes, brooks, even in brackish water. They are predators of other insects, tadpoles and fry. Many of them are able to fly and can easily colonize new habitats. Many species exhibit a marked sexual dimorphism: males have suction pads on their front legs, females may show rippled elytra while the elytra of the male are plain.
World: 3200 Europe: 375 Germany: 149 collected: 58 fraction: 39%

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4.5 - 5 mm
Hyphydrus ovatus ♂
1.8 - 2.3 mm
Hydroglyphus pusillus
2 - 2 mm
Bidessus grossepunctatus
2.8 - 3 mm
Hydrovatus cuspidatus
4 - 5 mm
Coelambus impressopunctatus
2.7 - 3.2 mm
Coelambus confluens
3 - 3.5 mm
Hygrotus versicolor
3 - 3.7 mm
Hygrotus inaequalis
2 - 2.5 mm
Hygrotus decoratus
1.7 - 2 mm
Hydroporus scalesianus
3 - 3.2 mm
Hydroporus angustatus
3 - 3.2 mm
Hydroporus palustris
4 - 4.5 mm
Hydroporus erythrocephalus
4 - 5 mm
Hydroporus planus
3.4 - 3.8 mm
Hydroporus pubescens
3.5 - 4 mm
Hydroporus ferrugineus
4.5 - 5.5 mm
Suphrodytes dorsalis
2.2 - 2.5 mm
Graptodytes pictus
3 - 3.5 mm
Porhydrus lineatus
4 - 4.8 mm
Deronectes aubei
4.5 - 5 mm
Nebrioporus canaliculatus
4.5 - 5.2 mm
Nebrioporus elegans
2.5 - 3 mm
Oreodytes sanmarkii
3 - 4 mm
Laccophilus ponticus
4.2 - 4.8 mm
Laccophilus minutus
4.2 - 4.8 mm
Laccophilus hyalinus
6.5 - 8 mm
Copelatus haemorrhoidalis
7 - 8.5 mm
Platambus maculatus
8.5 - 9 mm
Agabus chalconatus
7 - 8.5 mm
Agabus montanus
7.5 - 9.2 mm
Agabus guttatus
8 - 11 mm
Agabus bipustulatus
8 - 9 mm
Agabus sturmii
6.5 - 7.5 mm
Agabus uliginosus
7.5 - 8.5 mm
Agabus nebulosus
6 - 7.2 mm
Agabus affinis
8 - 9 mm
Agabus didymus
7.5 - 8 mm
Agabus undulatus
11 - 11.5 mm
Ilybius fenestratus
13 - 14 mm
Ilybius ater
10 - 11 mm
Ilybius fuliginosus
10.5 - 11.5 mm
Ilybius quadriguttatus
8.5 - 9 mm
Ilybius aenescens
10 - 11 mm
Nartus grapii
11.5 - 12.5 mm
Rhantus suturalis
9 - 10 mm
Rhantus exsoletus
17 - 19 mm
Colymbetes fuscus
17 - 19 mm
Colymbetes paykulli
12 - 13 mm
Hydaticus transversalis
14.5 - 15.5 mm
Hydaticus seminiger
14 - 15 mm
Graphoderus cinereus
15 - 18 mm
Acilius sulcatus
15 - 16 mm
Acilius canaliculatus
24 - 30 mm
Dytiscus semisulcatus
32 - 38 mm
Dytiscus dimidiatus
27 - 35 mm
Dytiscus marginalis ♂
27 - 33 mm
Dytiscus circumflexus ♂
30 - 37 mm
Cybister lateralimarginalis ♂


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 Dytiscidae (diving beetles) – currently missing species (91):
 Hydroglyphus hamulatus
 Bidessus minutissimus
 Bidessus delicatulus
 Bidessus unistriatus
 Bidessus nasutus
 Yola bicarinata
 Coelambus parallelogrammus
 Coelambus novemlineatus
 Coelambus nigrolineatus
 Coelambus flaviventris
 Coelambus enneagrammus
 Hygrotus quinquelineatus
 Hydroporus umbrosus
 Hydroporus tristis
 Hydroporus glabriusculus
 Hydroporus notatus
 Hydroporus gyllenhalii
 Hydroporus incognitus
 Hydroporus striola
 Hydroporus morio
 Hydroporus nigellus
 Hydroporus obscurus
 Hydroporus elongatulus
 Hydroporus marginatus
 Hydroporus rufifrons
 Hydroporus fuscipennis
 Hydroporus discretus
 Hydroporus brevis
 Hydroporus foveolatus
 Hydroporus nivalis
 Hydroporus nigrita
 Hydroporus memnonius
 Hydroporus obsoletus
 Hydroporus melanarius
 Hydroporus longicornis
 Hydroporus neglectus
 Hydroporus longulus
 Hydroporus kraatzii
 Stictonectes lepidus
 Graptodytes concinnus
 Graptodytes granularis
 Graptodytes bilineatus
 Graptodytes varius
 Laccornis oblongus
 Deronectes platynotus
 Deronectes latus
 Stictotarsus duodecimpustulatus
 Stictotarsus griseostriatus
 Nebrioporus depressus
 Nebrioporus assimilis
 Oreodytes davisii
 Oreodytes septentrionalis
 Scarodytes halensis
 Agabus subtilis
 Agabus erichsoni
 Agabus neglectus
 Agabus biguttatus
 Agabus nitidus
 Agabus melanarius
 Agabus solieri
 Agabus striolatus
 Agabus wasastjernae
 Agabus fuscipennis
 Agabus paludosus
 Agabus conspersus
 Agabus unguicularis
 Agabus congener
 Agabus clypealis
 Agabus brunneus
 Agabus labiatus
 Ilybius crassus
 Ilybius subaeneus
 Ilybius similis
 Ilybius angustior
 Ilybius guttiger
 Rhantus notaticollis
 Rhantus notatus
 Rhantus suturellus
 Rhantus bistriatus
 Rhantus consputus
 Rhantus latitans
 Colymbetes striatus
 Hydaticus modestus
 Hydaticus aruspex
 Hydaticus grammicus
 Graphoderus bilineatus
 Graphoderus zonatus
 Graphoderus austriacus
 Dytiscus latissimus
 Dytiscus circumcinctus
 Dytiscus lapponicus
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