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Topic: Dytiscus


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In the News (Thu 31 Dec 09)

  
  Water Beetle Bibliography: A References
The influence of environmental factors on the neurosecretory activity of the water beetle (Dytiscus marginalis).
Structure of the synapses in the supraoesophageal ganglion of the water beetle Dytiscus marginalis.
Bionomics of Dytiscus alaskanus (Coleoptera: Dytiscidae) in a central Alberta lake.
www.inhs.uiuc.edu /biod/waterbeetles/bibliography/a_references.html   (4164 words)

  
 MICROCOSMOS: Great diving beetle female   (Site not responding. Last check: 2007-10-21)
Because it may harm the fish, many people remove them from their ponds and often kill them which, regarding the fact that a garden pond may be a welcome substitute for the vanishing natural waters is really pity.
The eggs are stitched in plants, the larva appear in June, see the larva pictures on the WaterBeetles-gallery for more on the larva.
Dytiscus is the most representative of the diving-beetles group or dytiscidae, which have many things in common.
www.microcosmos.nl /beet1/dytiscus01.htm   (253 words)

  
 Diving (Water) Beetles.   (Site not responding. Last check: 2007-10-21)
The members of the genus Dytiscus are the largest of our species, with Dytiscus marginalis being the most common species.
The members of this family are mainly dark in colouration, and have their heads drawn back into the prothorax to give a more streamlined outline.
I am fairly certain that this is a female, as the male has large round suckers on the fore feet; and I couldn't see them evident on this specimen.
www.photo-tech.co.uk /wildlife_greatwater_beetle.html   (190 words)

  
 The Provincial Museum of Alberta: Invertebrate Zoology - Bug Facts - Giant Diving Beetle & Water Tiger
They are all aquatic and are voracious predators that will often take prey as large as or larger than themselves.
Most species of predacious diving beetles are dark brown or fl, often with a lighter brown or reddish brown border, and some having a lighter band across the back near the hind end.
Gas stations with their bright lights and car lots, with the combination of bright lights and shiny reflective car tops, can attract large numbers of the medium-sized predacious diving beetles, to the point that they may even become a bit of a nuisance.
www.royalalbertamuseum.ca /natural/insects/bugsfaq/diving.htm   (695 words)

  
 Dytiscus latissimus - Polish Red Data Book of Animals
Dytiscus latissimus - Polish Red Data Book of Animals
Dytiscus latissimus is one of the rarest and more threatened water coleopterans in Europe, inhabiting mostly densely vegetated shores of large ponds and lakes.
In Poland the area of its occurrence has been shrinking for several decades.
www.iop.krakow.pl /pckz/opis.asp?id=36&je=en   (106 words)

  
 Genus text for Haliplus
A lectotype for Dytiscus impressus Fabricius 1787 [=Dytiscus ruficollis DeGeer 1774] is designated by Holmen (1987:133).
Holmen (1987:90) notes that although most European authors follow Balfour-Browne (1938), who proposed Dytiscus obliquus Fabricius 1787 as the type species (see also Guignot 1939:176), this designation is not valid under a ruling by the ICZN (art.
Most recent works on Haliplus use the subgenera proposed by Guignot (1955), but this work, as well as his 1939 paper on Haliplus, are based upon an incorrectly fixed type species for the genus.
www.inhs.uiuc.edu /cbd/waterbeetles/haliplidae/haliplus/genus.html   (418 words)

  
 The Wetlands of northern Tuscany - Dytiscus water beetle   (Site not responding. Last check: 2007-10-21)
It can be distinguished from the other large aquatic beetles by the yellow margins of its pronotum and elytra.
Ferocious predators, Dytiscus feeds on small fish, tadpoles and other invertebrates; they can stay under water for quite long periods thanks to the air supply they keep tucked under their elytra and which they renew at regular intervals at the water surface through the tip of their abdomen.
The larvae, up to 60mm long, are the most dangerous invertebrates there are in the fresh water habitat.
www.zoneumidetoscane.it /accessibilita/files/ditiscoing.html   (285 words)

  
 Great diving beetle - Dytiscus marginalis - English Nature
Great diving beetle - Dytiscus marginalis - English Nature
To search for the complete list of plants and/or creatures type a space in the box before you press Search.
One of our largest beetles, this species has a dark, olive-brown, almond-shaped oval body, about three centimetres long, with the thorax bordered by dull yellow.
www.plantpress.com /wildlife/o215-greatdivingbeetle.php   (368 words)

  
 NANFA Mailing List Archive: Re: NANFA-- Bryozoans and Wierd Dytiscus Beetle Larvae   (Site not responding. Last check: 2007-10-21)
Re: NANFA-- Bryozoans and Wierd Dytiscus Beetle Larvae
Maybe in reply to: Hoover, Jan J WES: "NANFA-- Bryozoans and Wierd Dytiscus Beetle Larvae"
Next in thread: DasArm_at_aol.com: "Re: NANFA-- Bryozoans and Wierd Dytiscus Beetle Larvae"
www.nanfa.org /archive/nanfa/nanfajun00/0117.html   (309 words)

  
 exserted Exserted endophallus of water beetle Dytiscus dauricus Gebler
exserted Exserted endophallus of water beetle Dytiscus dauricus Gebler
Because the world obviously needed another short opinionated any link
All postings are provided "AS IS" with no warranties, and confer no rights.
costal.blog2.theviewblog.com /1143345617.html   (832 words)

  
 NANFA Mailing List Archive: NANFA-- Bryozoans and Wierd Dytiscus Beetle Larvae
NANFA Mailing List Archive: NANFA-- Bryozoans and Wierd Dytiscus Beetle Larvae
Wolff: "Re: NANFA-- Bryozoans and Wierd Dytiscus Beetle Larvae"
Entomology" has beautiful full-color paintings of a dytiscid (Dytiscus) and
www.nanfa.org /archive/nanfa/nanfajun00/0114.html   (554 words)

  
 Lac_inae
genus Laccophilus Leach, 1815: 84 type species Dytiscus minutus Linnaeus, 1758
hyalinus hyalinus DeGeer, 1774: 406 (Dytiscus) E: AB AR AU BE BH BU BY CZ DE EN FI FR GB GE GG GR HU IR IT LA LT LU MC MD NL NR PL RU (NT) SK SL SV SZ UK YU cyprioticus Mouchamps, 1956: 3
minutus Linnaeus, 1758: 412 (Dytiscus) E: AB AL AR AU BE BH BU CR CZ DE EN FI FR GB GE GG GR HU IR IT LA LT LU MA MC MD NL NR PL PT RU (NT ST) SK SL SP SV SZ UK YU N: cimicoides O.F. Müller, 1776: 72 (Dyticus)
www.emg.umu.se /biginst/andersn/Lac_inae.htm   (677 words)

  
 subfamily Copelatinae Branden, 1885
gestroi Sharp, 1882: 597 N: genus Copelatus Erichson, 1832: 18 type species Dytiscus posticatus Fabricius, 1801
= Liopterus Dejean, 1833: 54 type species Dytiscus oblongus Illiger, 1801
haemorrhoidalis Fabricius, 1787: 191 (Dytiscus) E: AB AR AU BE BH BU BY CR CZ DE EN FI FR GB GE GG GR HU IR IT LA LS LT LU MC NL PL PT RU (CT NT ST) SK SL SP SV SZ UK YU N: agilis Fabricius, 1792: 194 (Dytiscus)
www.emg.umu.se /biginst/andersn/Cop_inae.htm   (387 words)

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