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Dytiscidae (family)

1 Unidentified diving beetle at Cook, ACT

Dytiscidae (family) at Cook, ACT - 12 Apr 2020
Dytiscidae (family) at Cook, ACT - 12 Apr 2020
Dytiscidae (family) at Cook, ACT - 12 Apr 2020
Dytiscidae (family) at Cook, ACT - 12 Apr 2020
Dytiscidae (family) at Cook, ACT - 12 Apr 2020
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Identification history

Dytiscidae (family) 2 Aug 2020 MichaelMulvaney
Dytiscidae (family) 21 Apr 2020 KenT
Unidentified 20 Apr 2020 CathB

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User's notes

Same as sighting 4257061, but giving different views. The legs of this one have less ?algal growth on them.

4 comments

KenT wrote:
   21 Apr 2020
Larval form, the mandibles appear serrated when the image is magnified so it is not Hydrophilidae
CathB wrote:
   22 Apr 2020
Thanks Ken. I didn't know where to start with this one.
KenT wrote:
   22 Apr 2020
Cath, if you want to dip your toes in the water and chase freshwater macroinvertebrates two easy basic technical books (lots of pictures) are (i) The Waterbug Book by John Gooderham & Edward Tsyrlin (2002; with reprints every few years), and (ii) Colour Guide to Invertebrates of Australian Inland Waters by John H Hawking and Felicity J Smith (1997). They each have lists of references that will get you into the scientific literature.
Illilanga wrote:
   23 Apr 2020
Ditto to The Waterbug Book. Great photos and an excellent key with drawings. Thanks Ken for the other suggestion. Cheers, Sandra

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Nearby sightings

Page 1 of 3 - image sightings only

Eucalyptus blakelyi (Blakely's Red Gum) at Mount Painter - 21 Jun 2024 by lbradley
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Limnodynastes tasmaniensis (Spotted Grass Frog) at PAI200: Wildflower Triangle Dam - 7 Apr 2024 by SarahHnatiuk
Cosmodes elegans (Green Blotched Moth) at Mount Painter - 31 Mar 2024 by CathB
Apiformes (informal group) (Unidentified bee) at Mount Painter - 12 Feb 2024 by CathB
Limnodynastes tasmaniensis (Spotted Grass Frog) at PAI200: Wildflower Triangle Dam - 7 Jan 2024 by SarahHnatiuk
Uperoleia laevigata (Smooth Toadlet) at PAI200: Wildflower Triangle Dam - 7 Jan 2024 by SarahHnatiuk
Isomoralla eriscota (A concealer moth) at Mount Painter - 30 Dec 2023 by CathB
Praxibulus sp. (genus) (A grasshopper) at Mount Painter - 30 Nov 2023 by CathB
Saprinus (Saprinus) sp. (genus & subgenus) (Metallic hister beetle) at Mount Painter - 29 Nov 2023 by CathB
Ptomaphila lacrymosa (Carrion Beetle) at Mount Painter - 29 Nov 2023 by CathB
Creophilus erythrocephalus (Devil's coach horse, Rove beetle) at Mount Painter - 29 Nov 2023 by CathB
Achoria inopina (A Longhorned Moth (family Leciithoceridae)) at Mount Painter - 29 Nov 2023 by CathB
Sidymella hirsuta (Hairy crab spider) at Mount Painter - 27 Nov 2023 by CathB
Nacoleia rhoeoalis (Spilomelinae) at Mount Painter - 24 Nov 2023 by CathB
Crinia parinsignifera (Plains Froglet) at PAI200: Wildflower Triangle Dam - 20 Oct 2023 by SarahHnatiuk
Uperoleia laevigata (Smooth Toadlet) at PAI200: Wildflower Triangle Dam - 20 Oct 2023 by SarahHnatiuk
Limnodynastes tasmaniensis (Spotted Grass Frog) at PAI200: Wildflower Triangle Dam - 20 Oct 2023 by SarahHnatiuk
Crinia signifera (Common Eastern Froglet) at PAI200: Wildflower Triangle Dam - 20 Oct 2023 by SarahHnatiuk
Litoria peronii (Peron's Tree Frog, Emerald Spotted Tree Frog) at PAI200: Wildflower Triangle Dam - 20 Oct 2023 by SarahHnatiuk
Ranunculus lappaceus (Australian Buttercup) at Belconnen, ACT - 2 Oct 2023 by CathB
Chalcopteroides cupripennis (Rainbow darkling beetle) at Belconnen, ACT - 7 Sep 2023 by CathB
Salsa fuliginata (Sooty Orb-weaver) at Belconnen, ACT - 7 Sep 2023 by CathB
Australomisidia sp. (genus) (Flower spider) at Belconnen, ACT - 7 Sep 2023 by CathB
Lemidia subaenea (Clerid beetle) at Belconnen, ACT - 7 Sep 2023 by CathB
Sarothrocrepis civica (An arboreal 'ground' beetle) at Belconnen, ACT - 7 Sep 2023 by CathB
Calomela curtisi (Acacia leaf beetle) at Belconnen, ACT - 7 Sep 2023 by CathB
Stenolemus sp. (genus) (Thread-legged assassin bug) at Cook, ACT - 12 May 2023 by CathB
Euryopis sp. (genus) (An ant eating spider) at Cook, ACT - 3 Apr 2023 by CathB
Aquila audax (Wedge-tailed Eagle) at Cook, ACT - 9 Mar 2023 by dwise
Chara sp. (genus) (A charophyte green algae) at Cook, ACT - 4 Mar 2023 by CathB
Mentha diemenica (Wild Mint, Slender Mint) at Molonglo Valley, ACT - 12 Jan 2023 by SarahHnatiuk
Lophyrotoma interrupta (Cattle Poisoning Sawfly) at Cook, ACT - 29 Dec 2022 by CathB
Chrysopilus sp. (genus) (A snipe fly) at Molonglo Valley, ACT - 17 Dec 2022 by CathB
Aaaaba fossicollis (Raspberry jewel beetle) at Cook, ACT - 17 Dec 2022 by CathB
Rhinotia phoenicoptera (Belid weevil) at Cook, ACT - 8 Dec 2022 by CathB
Uperoleia laevigata (Smooth Toadlet) at PAI200: Wildflower Triangle Dam - 4 Oct 2022 by SarahHnatiuk
Crinia signifera (Common Eastern Froglet) at PAI200: Wildflower Triangle Dam - 4 Oct 2022 by SarahHnatiuk
Crinia parinsignifera (Plains Froglet) at PAI200: Wildflower Triangle Dam - 4 Oct 2022 by SarahHnatiuk
Limnodynastes tasmaniensis (Spotted Grass Frog) at PAI200: Wildflower Triangle Dam - 4 Oct 2022 by SarahHnatiuk
Crinia signifera (Common Eastern Froglet) at PAI200: Wildflower Triangle Dam - 1 Aug 2022 by SarahHnatiuk
Crinia parinsignifera (Plains Froglet) at PAI200: Wildflower Triangle Dam - 1 Aug 2022 by SarahHnatiuk
Monolepta minima (Leaf beetle) at Cook, ACT - 13 Jul 2022 by trevorpreston
Conicochernes sp. (genus) (Chernetid Pseudoscorpion) at Cook, ACT - 13 Jul 2022 by trevorpreston
Clematis leptophylla (Small-leaf Clematis, Old Man's Beard) at Cook, ACT - 7 Jul 2022 by trevorpreston
Corticioid fungi at Cook, ACT - 7 Jul 2022 by trevorpreston
Cladonia sp. (genus) (Cup Lichen) at Cook, ACT - 7 Jul 2022 by trevorpreston
Hypoxylon howeianum at Cook, ACT - 7 Jul 2022 by trevorpreston
Epiphyas postvittana (Light Brown Apple Moth) at Cook, ACT - 12 Apr 2022 by CathB
Chalcidoidea (superfamily) (A gall wasp or Chalcid wasp) at Cook, ACT - 27 Mar 2022 by CathB
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
Trilaccus mimeticus (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
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
Geitoneura klugii (Marbled Xenica) at Cook, ACT - 11 Jan 2022 by Tammy
Salsa fuliginata (Sooty Orb-weaver) at Cook, ACT - 2 Jan 2022 by CathB
Micromus tasmaniae (Tasmanian Brown Lacewing) at Cook, ACT - 19 Dec 2021 by CathB
Celaenia calotoides (Bird-dropping spider) at Cook, ACT - 16 Dec 2021 by CathB
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
Paropsisterna gloriosa (Glorious eucalyptus leaf beetle) at Molonglo Valley, ACT - 7 Nov 2021 by CathB
Rhytidoponera aspera (Greenhead ant) at Molonglo Valley, ACT - 7 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 (Reddish Wave, 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
Limnodynastes tasmaniensis (Spotted Grass Frog) at PAI200: Wildflower Triangle Dam - 2 Oct 2021 by SarahHnatiuk
Crinia parinsignifera (Plains Froglet) at PAI200: Wildflower Triangle Dam - 2 Oct 2021 by SarahHnatiuk
Uperoleia laevigata (Smooth Toadlet) at PAI200: Wildflower Triangle Dam - 2 Oct 2021 by SarahHnatiuk
Crinia signifera (Common Eastern Froglet) at PAI200: Wildflower Triangle Dam - 2 Oct 2021 by SarahHnatiuk
Neobatrachus sudellae (Sudell's Frog or Common Spadefoot) at PAI200: Wildflower Triangle Dam - 2 Oct 2021 by SarahHnatiuk
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, Ovens Wattle) at Cook, ACT - 9 Sep 2021 by drakes
Acacia rubida (Red-stemmed Wattle, Red-leaved Wattle) at Cook, ACT - 16 Aug 2021 by drakes
Parmeliaceae (family) (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
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
Eupelmidae (family) (Eupelmid wasp) at Cook, ACT - 11 May 2021 by CathB
Eucalyptus melliodora (Yellow Box) at Cook, ACT - 9 May 2021 by drakes

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Location information

Sighting information

  • 1 - 3 Abundance
  • 12 Apr 2020 04:06 PM Recorded on
  • CathB Recorded by

Additional information

  • 12mm to 25mm Animal size

Species information

Record quality

  • Images or audio
  • More than one media file
  • Verified by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
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