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Dytiscidae sp. (family)

Unidentified diving beetle at Cook, ACT

Dytiscidae sp. (family) at Cook, ACT - 18 Apr 2020
Dytiscidae sp. (family) at Cook, ACT - 18 Apr 2020
Dytiscidae sp. (family) at Cook, ACT - 18 Apr 2020
Dytiscidae sp. (family) at Cook, ACT - 18 Apr 2020
Dytiscidae sp. (family) at Cook, ACT - 18 Apr 2020
Dytiscidae sp. (family) at Cook, ACT - 18 Apr 2020
Dytiscidae sp. (family) at Cook, ACT - 18 Apr 2020
Dytiscidae sp. (family) at Cook, ACT - 18 Apr 2020
Dytiscidae sp. (family) at Cook, ACT - 18 Apr 2020
Dytiscidae sp. (family) at Cook, ACT - 18 Apr 2020
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Identification history

Dytiscidae sp. (family) 4 Feb 2021 michaelb
Unidentified 19 Apr 2020 CathB

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User's notes

Actively swimming just below the surface of the water. Others seen crawling on the bottom in shallow water. Seem to 'breathe' through their tail end. A previous sighting (3398125) of what seems to be the same thing was tentatively identified as a Dipter(i)a larva, but the mouthparts were not visible. They always seem to be covered in debris.

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Nearby sightings

Page 1 of 3 - image sightings only 314 1 294

Gymnopilus junonius (Gymnopilus junonius) at Cook, ACT - 26 Apr 2022 by drakes Cytaea severa (Severe Cytaea) at Cook, ACT - 26 Mar 2022 by CathB Thynninae (subfamily) (Smooth flower wasp) at Cook, ACT - 26 Mar 2022 by CathB Ottelia ovalifolia subsp. ovalifolia (Swamp Lily) at Cook, ACT - 26 Mar 2022 by CathB Agriopocoris sp. (genus) (Coreid bug) at Cook, ACT - 26 Mar 2022 by CathB Rayieria basifer (Braconid-mimic plant bug) at Cook, ACT - 26 Mar 2022 by CathB Balta spuria (A Balta Cockroach) at Cook, ACT - 26 Mar 2022 by CathB Elatine gratioloides (Waterwort) at Cook, ACT - 25 Mar 2022 by CathB Carabidae sp. (family) (A ground beetle) at Cook, ACT - 14 Feb 2022 by CathB Taeniogonalos sp. (genus) (A hyperparasitic wasp) at Cook, ACT - 18 Jan 2022 by CathB Phrissogonus laticostata (Apple looper moth) at Cook, ACT - 15 Jan 2022 by CathB Celaenia calotoides (Bird-dropping spider) at Cook, ACT - 15 Jan 2022 by CathB Celaenia calotoides (Bird-dropping spider) at Cook, ACT - 13 Jan 2022 by CathB Geitoneura klugii (Klug's Xenica / Marbled Xenica) at Cook, ACT - 11 Jan 2022 by Tammy Cyclosa fuliginata (species-group) (An orb weaving spider) at Cook, ACT - 2 Jan 2022 by CathB Phycitinae (subfamily) (A snout moth) at Cook, ACT - 19 Dec 2021 by CathB Arrade destituta (Arrade destituta) at Cook, ACT - 19 Dec 2021 by CathB Tetrigidae (family) (Pygmy grasshopper) at Cook, ACT - 18 Dec 2021 by CathB Celaenia calotoides (Bird-dropping spider) at Cook, ACT - 16 Dec 2021 by CathB Caesia calliantha (Blue Grass-lily) at Cook, ACT - 15 Dec 2021 by SarahHnatiuk Crypsiphona ocultaria (Red-lined Looper Moth) at Cook, ACT - 25 Nov 2021 by CathB Ephemeroptera (order) (Unidentified Mayfly) at Cook, ACT - 23 Nov 2021 by CathB Melanterius sp. (genus) (Unidentified Melanterius weevil) at Cook, ACT - 23 Nov 2021 by CathB Tetragnatha sp. (genus) (Long-jawed spider) at Cook, ACT - 22 Nov 2021 by CathB Macrobathra desmotoma ( A Cosmet moth) at Cook, ACT - 22 Nov 2021 by CathB Austrolestes leda (Wandering Ringtail) at Cook, ACT - 22 Nov 2021 by CathB Edusella sp. (genus) (A leaf beetle) at Cook, ACT - 22 Nov 2021 by CathB Dictyotus conspicuus (A shield or stink bug) at Cook, ACT - 14 Oct 2021 by CathB Hypoxylon sp. at Cook, ACT - 11 Oct 2021 by tpreston Limnodynastes tasmaniensis (Spotted Grass Frog) at Cook, ACT - 11 Oct 2021 by tpreston Philobota undescribed species near arabella (A concealer moth) at Cook, ACT - 11 Oct 2021 by tpreston Scopula rubraria (Plantain Moth) at Cook, ACT - 11 Oct 2021 by tpreston Stackhousia monogyna (Creamy Candles) at Cook, ACT - 11 Oct 2021 by tpreston Nacoleia rhoeoalis (Spilomelinae) at Cook, ACT - 11 Oct 2021 by trevorpreston Platyptilia celidotus (Plume Moth) at Cook, ACT - 11 Oct 2021 by tpreston Schoenus apogon (Common Bog Sedge) at Cook, ACT - 4 Oct 2021 by drakes Stackhousia monogyna (Creamy Candles) at Cook, ACT - 27 Sep 2021 by drakes Phaeoceros sp. at Cook, ACT - 16 Sep 2021 by CathB Anthoceros sp. at Cook, ACT - 16 Sep 2021 by CathB Plecoptera sp. (order) (Unidentified Stone fly) at Cook, ACT - 10 Sep 2021 by CathB Acacia pravissima (Wedge-leaved Wattle) at Cook, ACT - 9 Sep 2021 by drakes Acacia rubida (Red-leaved Wattle) at Cook, ACT - 16 Aug 2021 by drakes Acacia baileyana (Cootamundra Wattle, Golden Mimosa) at Cook, ACT - 2 Aug 2021 by drakes Parmeliaceae (A lichen family) at Cook, ACT - 1 Aug 2021 by drakes Coprinellus etc. (An Inkcap) at Cook, ACT - 4 Jul 2021 by drakes zz agaric (stem; gills white/cream) at Cook, ACT - 4 Jul 2021 by drakes Coprinellus micaceus group at Cook, ACT - 27 Jun 2021 by drakes Cortinarius sp. (Cortinarius) at Cook, ACT - 20 Jun 2021 by drakes zz agaric (stem; gills white/cream) at Cook, ACT - 27 May 2021 by drakes zz agaric (stem; gills not white/cream) at Cook, ACT - 13 May 2021 by drakes Eucalyptus melliodora (Yellow Box) at Cook, ACT - 9 May 2021 by drakes Orobanche minor (Broomrape) at Cook, ACT - 6 May 2021 by drakes Eucalyptus rubida subsp. rubida (Candlebark) at Cook, ACT - 3 May 2021 by drakes Gymnopilus junonius (Gymnopilus junonius) at Cook, ACT - 8 Apr 2021 by drakes Phylloporus sp. (Phylloporus sp.) at Cook, ACT - 8 Apr 2021 by drakes Amanita sp. (Amanita sp.) at Cook, ACT - 1 Apr 2021 by drakes Tiliqua scincoides scincoides (Eastern Blue-tongue) at Cook, ACT - 1 Apr 2021 by drakes Crypsiphona ocultaria (Red-lined Looper Moth) at Cook, ACT - 16 Mar 2021 by Tammy Oenochroa and Artiastis (genera) at Cook, ACT - 9 Mar 2021 by CathB Perga dorsalis (Steel-blue sawfly, spitfire) at Cook, ACT - 26 Feb 2021 by CathB Camponotus nigroaeneus (Sugar ant) at Cook, ACT - 19 Feb 2021 by CathB Opisthoncus sp. (genus) (Unidentified Opisthoncus jumping spider) at Cook, ACT - 13 Feb 2021 by CathB Neotartessus flavipes (A leafhopper) at Cook, ACT - 13 Feb 2021 by CathB Rhytidoponera aspera (Greenhead ant) at Cook, ACT - 10 Feb 2021 by CathB Tiphiidae sp. (family) (Unidentified Smooth flower wasp) at Cook, ACT - 9 Feb 2021 by CathB Pluteus 'yellow' at Cook, ACT - 7 Feb 2021 by drakes Rosa rubiginosa (Sweet Briar, Eglantine) at Cook, ACT - 24 Jan 2021 by drakes Araneus circulissparsus (species group) (Speckled Orb-weaver) at Cook, ACT - 23 Jan 2021 by CathB Camponotus suffusus (Golden-tailed sugar ant) at Cook, ACT - 23 Jan 2021 by CathB Miridae sp. (family) (Unidentified plant bug) at Cook, ACT - 23 Jan 2021 by CathB Diomus notescens (Little two-spotted ladybird) at Cook, ACT - 23 Jan 2021 by CathB Conocephalus sp. (genus) (A Tussock Katydid) at Cook, ACT - 21 Jan 2021 by CathB Cadmus (Cadmus) litigiosus (Leaf beetle) at Cook, ACT - 21 Jan 2021 by CathB Psyllidae sp. (family) (Unidentified psyllid or lerp insect) at Cook, ACT - 21 Jan 2021 by CathB Opisthoncus sexmaculatus (Six-marked jumping spider) at Cook, ACT - 21 Jan 2021 by CathB Megastigmus sp. (genus) (Parasitic wasp) at Cook, ACT - 21 Jan 2021 by CathB Psyllidae sp. (family) (Unidentified psyllid or lerp insect) at Cook, ACT - 21 Jan 2021 by CathB Deliochus pulcher (Beautiful Deliochus spider) at Cook, ACT - 21 Jan 2021 by CathB Lactuca serriola f. serriola (Prickly Lettuce) at Cook, ACT - 18 Jan 2021 by drakes Ancita marginicollis (A longhorn beetle) at Cook, ACT - 9 Jan 2021 by CathB Cynosurus echinatus (Rough Dog's Tail Grass) at Cook, ACT - 2 Jan 2021 by CathB Dichelachne crinita (Long-hair Plume Grass) at Cook, ACT - 31 Dec 2020 by CathB Tetragnatha demissa (Tetragnatha demissa) at Cook, ACT - 31 Dec 2020 by CathB Lophyrotoma sp. (genus) (Sawfly) at Cook, ACT - 31 Dec 2020 by CathB Psaltoda moerens (Redeye cicada) at Cook, ACT - 31 Dec 2020 by CathB Comptosia apicalis (A bee fly) at Cook, ACT - 14 Dec 2020 by CathB Convolvulus angustissimus subsp. angustissimus (Australian Bindweed) at Cook, ACT - 13 Dec 2020 by drakes Heteronympha merope (Common Brown) at Cook, ACT - 13 Dec 2020 by drakes Hackelia suaveolens (Sweet Hounds Tongue) at Cook, ACT - 29 Nov 2020 by drakes Acaena echinata (Sheeps Burr) at Cook, ACT - 29 Nov 2020 by drakes Dissomorphia australiaria (Dissomorphia australiaria) at Cook, ACT - 27 Nov 2020 by AlisonMilton Paropsisterna m-fuscum (Eucalyptus Leaf Beetle) at Cook, ACT - 26 Nov 2020 by AlisonMilton Goniaea opomaloides (Mimetic Gumleaf Grasshopper) at Cook, ACT - 26 Nov 2020 by AlisonMilton Dolophones sp. (genus) (Wrap-around spider) at Cook, ACT - 26 Nov 2020 by AlisonMilton Dicranosterna immaculata (Acacia leaf beetle) at Cook, ACT - 26 Nov 2020 by AlisonMilton Leptotarsus (Macromastix) costalis (Common Brown Crane Fly) at Cook, ACT - 26 Nov 2020 by AlisonMilton Coccidae sp. (family) (Unidentified coccid scale insect) at Cook, ACT - 26 Nov 2020 by AlisonMilton Atrapsalta furcilla (Southern Mountain Squeaker) at Cook, ACT - 21 Nov 2020 by CathB Clania lewinii (Lewin's case moth) at Cook, ACT - 21 Nov 2020 by CathB Rosopaella cuprea (A leafhopper) at Cook, ACT - 21 Nov 2020 by CathB
Gymnopilus junonius (Gymnopilus junonius) at Cook, ACT - 26 Apr 2022 by drakes
Cytaea severa (Severe Cytaea) at Cook, ACT - 26 Mar 2022 by CathB
Thynninae (subfamily) (Smooth flower wasp) at Cook, ACT - 26 Mar 2022 by CathB
Ottelia ovalifolia subsp. ovalifolia (Swamp Lily) at Cook, ACT - 26 Mar 2022 by CathB
Agriopocoris sp. (genus) (Coreid bug) at Cook, ACT - 26 Mar 2022 by CathB
Rayieria basifer (Braconid-mimic plant bug) at Cook, ACT - 26 Mar 2022 by CathB
Balta spuria (A Balta Cockroach) at Cook, ACT - 26 Mar 2022 by CathB
Elatine gratioloides (Waterwort) at Cook, ACT - 25 Mar 2022 by CathB
Carabidae sp. (family) (A ground beetle) at Cook, ACT - 14 Feb 2022 by CathB
Taeniogonalos sp. (genus) (A hyperparasitic wasp) at Cook, ACT - 18 Jan 2022 by CathB
Phrissogonus laticostata (Apple looper moth) at Cook, ACT - 15 Jan 2022 by CathB
Celaenia calotoides (Bird-dropping spider) at Cook, ACT - 15 Jan 2022 by CathB
Celaenia calotoides (Bird-dropping spider) at Cook, ACT - 13 Jan 2022 by CathB
Geitoneura klugii (Klug's Xenica / Marbled Xenica) at Cook, ACT - 11 Jan 2022 by Tammy
Cyclosa fuliginata (species-group) (An orb weaving spider) at Cook, ACT - 2 Jan 2022 by CathB
Phycitinae (subfamily) (A snout moth) at Cook, ACT - 19 Dec 2021 by CathB
Arrade destituta (Arrade destituta) at Cook, ACT - 19 Dec 2021 by CathB
Tetrigidae (family) (Pygmy grasshopper) at Cook, ACT - 18 Dec 2021 by CathB
Celaenia calotoides (Bird-dropping spider) at Cook, ACT - 16 Dec 2021 by CathB
Caesia calliantha (Blue Grass-lily) at Cook, ACT - 15 Dec 2021 by SarahHnatiuk
Crypsiphona ocultaria (Red-lined Looper Moth) at Cook, ACT - 25 Nov 2021 by CathB
Ephemeroptera (order) (Unidentified Mayfly) at Cook, ACT - 23 Nov 2021 by CathB
Melanterius sp. (genus) (Unidentified Melanterius weevil) at Cook, ACT - 23 Nov 2021 by CathB
Tetragnatha sp. (genus) (Long-jawed spider) at Cook, ACT - 22 Nov 2021 by CathB
Macrobathra desmotoma ( A Cosmet moth) at Cook, ACT - 22 Nov 2021 by CathB
Austrolestes leda (Wandering Ringtail) at Cook, ACT - 22 Nov 2021 by CathB
Edusella sp. (genus) (A leaf beetle) at Cook, ACT - 22 Nov 2021 by CathB
Dictyotus conspicuus (A shield or stink bug) at Cook, ACT - 14 Oct 2021 by CathB
Hypoxylon sp. at Cook, ACT - 11 Oct 2021 by tpreston
Limnodynastes tasmaniensis (Spotted Grass Frog) at Cook, ACT - 11 Oct 2021 by tpreston
Philobota undescribed species near arabella (A concealer moth) at Cook, ACT - 11 Oct 2021 by tpreston
Scopula rubraria (Plantain Moth) at Cook, ACT - 11 Oct 2021 by tpreston
Stackhousia monogyna (Creamy Candles) at Cook, ACT - 11 Oct 2021 by tpreston
Nacoleia rhoeoalis (Spilomelinae) at Cook, ACT - 11 Oct 2021 by trevorpreston
Platyptilia celidotus (Plume Moth) at Cook, ACT - 11 Oct 2021 by tpreston
Schoenus apogon (Common Bog Sedge) at Cook, ACT - 4 Oct 2021 by drakes
Stackhousia monogyna (Creamy Candles) at Cook, ACT - 27 Sep 2021 by drakes
Phaeoceros sp. at Cook, ACT - 16 Sep 2021 by CathB
Anthoceros sp. at Cook, ACT - 16 Sep 2021 by CathB
Plecoptera sp. (order) (Unidentified Stone fly) at Cook, ACT - 10 Sep 2021 by CathB
Acacia pravissima (Wedge-leaved Wattle) at Cook, ACT - 9 Sep 2021 by drakes
Acacia rubida (Red-leaved Wattle) at Cook, ACT - 16 Aug 2021 by drakes
Acacia baileyana (Cootamundra Wattle, Golden Mimosa) at Cook, ACT - 2 Aug 2021 by drakes
Parmeliaceae (A lichen family) at Cook, ACT - 1 Aug 2021 by drakes
Coprinellus etc. (An Inkcap) at Cook, ACT - 4 Jul 2021 by drakes
zz agaric (stem; gills white/cream) at Cook, ACT - 4 Jul 2021 by drakes
Coprinellus micaceus group at Cook, ACT - 27 Jun 2021 by drakes
Cortinarius sp. (Cortinarius) at Cook, ACT - 20 Jun 2021 by drakes
zz agaric (stem; gills white/cream) at Cook, ACT - 27 May 2021 by drakes
zz agaric (stem; gills not white/cream) at Cook, ACT - 13 May 2021 by drakes
Eucalyptus melliodora (Yellow Box) at Cook, ACT - 9 May 2021 by drakes
Orobanche minor (Broomrape) at Cook, ACT - 6 May 2021 by drakes
Eucalyptus rubida subsp. rubida (Candlebark) at Cook, ACT - 3 May 2021 by drakes
Gymnopilus junonius (Gymnopilus junonius) at Cook, ACT - 8 Apr 2021 by drakes
Phylloporus sp. (Phylloporus sp.) at Cook, ACT - 8 Apr 2021 by drakes
Amanita sp. (Amanita sp.) at Cook, ACT - 1 Apr 2021 by drakes
Tiliqua scincoides scincoides (Eastern Blue-tongue) at Cook, ACT - 1 Apr 2021 by drakes
Crypsiphona ocultaria (Red-lined Looper Moth) at Cook, ACT - 16 Mar 2021 by Tammy
Oenochroa and Artiastis (genera) at Cook, ACT - 9 Mar 2021 by CathB
Perga dorsalis (Steel-blue sawfly, spitfire) at Cook, ACT - 26 Feb 2021 by CathB
Camponotus nigroaeneus (Sugar ant) at Cook, ACT - 19 Feb 2021 by CathB
Opisthoncus sp. (genus) (Unidentified Opisthoncus jumping spider) at Cook, ACT - 13 Feb 2021 by CathB
Neotartessus flavipes (A leafhopper) at Cook, ACT - 13 Feb 2021 by CathB
Rhytidoponera aspera (Greenhead ant) at Cook, ACT - 10 Feb 2021 by CathB
Tiphiidae sp. (family) (Unidentified Smooth flower wasp) at Cook, ACT - 9 Feb 2021 by CathB
Pluteus 'yellow' at Cook, ACT - 7 Feb 2021 by drakes
Rosa rubiginosa (Sweet Briar, Eglantine) at Cook, ACT - 24 Jan 2021 by drakes
Araneus circulissparsus (species group) (Speckled Orb-weaver) at Cook, ACT - 23 Jan 2021 by CathB
Camponotus suffusus (Golden-tailed sugar ant) at Cook, ACT - 23 Jan 2021 by CathB
Miridae sp. (family) (Unidentified plant bug) at Cook, ACT - 23 Jan 2021 by CathB
Diomus notescens (Little two-spotted ladybird) at Cook, ACT - 23 Jan 2021 by CathB
Conocephalus sp. (genus) (A Tussock Katydid) at Cook, ACT - 21 Jan 2021 by CathB
Cadmus (Cadmus) litigiosus (Leaf beetle) at Cook, ACT - 21 Jan 2021 by CathB
Psyllidae sp. (family) (Unidentified psyllid or lerp insect) at Cook, ACT - 21 Jan 2021 by CathB
Opisthoncus sexmaculatus (Six-marked jumping spider) at Cook, ACT - 21 Jan 2021 by CathB
Megastigmus sp. (genus) (Parasitic wasp) at Cook, ACT - 21 Jan 2021 by CathB
Psyllidae sp. (family) (Unidentified psyllid or lerp insect) at Cook, ACT - 21 Jan 2021 by CathB
Deliochus pulcher (Beautiful Deliochus spider) at Cook, ACT - 21 Jan 2021 by CathB
Lactuca serriola f. serriola (Prickly Lettuce) at Cook, ACT - 18 Jan 2021 by drakes
Ancita marginicollis (A longhorn beetle) at Cook, ACT - 9 Jan 2021 by CathB
Cynosurus echinatus (Rough Dog's Tail Grass) at Cook, ACT - 2 Jan 2021 by CathB
Dichelachne crinita (Long-hair Plume Grass) at Cook, ACT - 31 Dec 2020 by CathB
Tetragnatha demissa (Tetragnatha demissa) at Cook, ACT - 31 Dec 2020 by CathB
Lophyrotoma sp. (genus) (Sawfly) at Cook, ACT - 31 Dec 2020 by CathB
Psaltoda moerens (Redeye cicada) at Cook, ACT - 31 Dec 2020 by CathB
Comptosia apicalis (A bee fly) at Cook, ACT - 14 Dec 2020 by CathB
Convolvulus angustissimus subsp. angustissimus (Australian Bindweed) at Cook, ACT - 13 Dec 2020 by drakes
Heteronympha merope (Common Brown) at Cook, ACT - 13 Dec 2020 by drakes
Hackelia suaveolens (Sweet Hounds Tongue) at Cook, ACT - 29 Nov 2020 by drakes
Acaena echinata (Sheeps Burr) at Cook, ACT - 29 Nov 2020 by drakes
Dissomorphia australiaria (Dissomorphia australiaria) at Cook, ACT - 27 Nov 2020 by AlisonMilton
Paropsisterna m-fuscum (Eucalyptus Leaf Beetle) at Cook, ACT - 26 Nov 2020 by AlisonMilton
Goniaea opomaloides (Mimetic Gumleaf Grasshopper) at Cook, ACT - 26 Nov 2020 by AlisonMilton
Dolophones sp. (genus) (Wrap-around spider) at Cook, ACT - 26 Nov 2020 by AlisonMilton
Dicranosterna immaculata (Acacia leaf beetle) at Cook, ACT - 26 Nov 2020 by AlisonMilton
Leptotarsus (Macromastix) costalis (Common Brown Crane Fly) at Cook, ACT - 26 Nov 2020 by AlisonMilton
Coccidae sp. (family) (Unidentified coccid scale insect) at Cook, ACT - 26 Nov 2020 by AlisonMilton
Atrapsalta furcilla (Southern Mountain Squeaker) at Cook, ACT - 21 Nov 2020 by CathB
Clania lewinii (Lewin's case moth) at Cook, ACT - 21 Nov 2020 by CathB
Rosopaella cuprea (A leafhopper) at Cook, ACT - 21 Nov 2020 by CathB

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Location information

Species information

  • Not Sensitive
  • Local Native
  • Non-Invasive

Sighting information

  • 4 - 15 Abundance
  • 18 Apr 2020 02:09 PM Recorded on
  • CathB Recorded by

Additional information

  • 12mm to 25mm Animal size

Record quality

  • Images or audio
  • More than one media file
  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
1,288,336 sightings of 8,043 species in 1,325 locations from 5,230 members
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