Dytiscidae (family)

2 Unidentified diving beetle at Molonglo Valley, ACT

Dytiscidae (family) at Molonglo Valley, ACT - 8 Nov 2022
Dytiscidae (family) at Molonglo Valley, ACT - 8 Nov 2022
Dytiscidae (family) at Molonglo Valley, ACT - 8 Nov 2022
Dytiscidae (family) at Molonglo Valley, ACT - 8 Nov 2022
Dytiscidae (family) at Molonglo Valley, ACT - 8 Nov 2022
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Identification history

Dytiscidae (family) 10 Nov 2022 michaelb
Dytiscidae (family) 10 Nov 2022 michaelb
Trichoptera sp. (order) 9 Nov 2022 RobG1

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User's notes

In a little stream running over the fire trail. Several tadpoles close to the larvae, but when they swam too close the larvae would launch a sudden attack and scare them off.

1 comment

Alice wrote:
   13 Nov 2022
Certainly looks like a dytiscid larva. Nice images, and description of predatory behaviour.

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Nearby sightings

Page 2 of 3 - image sightings only

Themeda triandra (Kangaroo Grass) at Stromlo, ACT - 19 Feb 2022 by MatthewFrawley
Eucalyptus macrorhyncha (Red Stringybark) at Molonglo Valley, ACT - 19 Feb 2022 by MatthewFrawley
Asura lydia (Lydia Lichen Moth) at Molonglo Valley, ACT - 18 Feb 2022 by KMcCue
Araneinae (subfamily) (Orb weaver) at Molonglo Valley, ACT - 17 Feb 2022 by AlisonMilton
Calomela curtisi (Acacia leaf beetle) at Molonglo Valley, ACT - 17 Feb 2022 by AlisonMilton
Iptergonus cionoides (A weevil) at Molonglo Valley, ACT - 17 Feb 2022 by AlisonMilton
Opisthoncus abnormis (Long-legged Jumper) at Molonglo Valley, ACT - 17 Feb 2022 by AlisonMilton
Oxyops fasciculatus (A weevil) at Stromlo, ACT - 17 Feb 2022 by AndyRussell
Paropsisterna cloelia (Eucalyptus variegated beetle) at Stromlo, ACT - 17 Feb 2022 by AndyRussell
Glycaspis sp. (genus) (Unidentified sugary lerp) at Molonglo Valley, ACT - 17 Feb 2022 by AlisonMilton
Curculionidae (family) (Unidentified weevil) at Stromlo, ACT - 17 Feb 2022 by AlisonMilton
Paropsisterna fastidiosa (Eucalyptus leaf beetle) at Stromlo, ACT - 17 Feb 2022 by AlisonMilton
Paropsis obsoleta (Leaf beetle) at Stromlo, ACT - 17 Feb 2022 by AlisonMilton
Amorbus sp. (genus) (Eucalyptus Tip bug) at Molonglo Valley, ACT - 17 Feb 2022 by AlisonMilton
Paropsisterna cloelia (Eucalyptus variegated beetle) at Molonglo Valley, ACT - 17 Feb 2022 by AlisonMilton
Syrphini sp. (tribe) (Unidentified syrphine hover fly) at Stromlo, ACT - 14 Feb 2022 by BarrieR
Araneinae (subfamily) (Orb weaver) at Stromlo, ACT - 14 Feb 2022 by BarrieR
Melichrus urceolatus (Urn Heath) at Stromlo, ACT - 13 Feb 2022 by pixelnips
Platyzosteria similis (Red-legged litter runner) at Molonglo Valley, ACT - 10 Feb 2022 by tpreston
Hypocisseis suturalis (Cherry Ballart Jewel Beetle) at Molonglo Valley, ACT - 6 Feb 2022 by Harrisi
Phaulacridium vittatum (Wingless Grasshopper) at Molonglo Valley, ACT - 6 Feb 2022 by Harrisi
Lomandra longifolia (Spiny-headed Mat-rush, Honey Reed) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Verbena incompta (Purpletop) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Cyperus sanguinolentus (A Sedge) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Tricoryne elatior (Yellow Rush Lily) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Acacia rubida (Red-stemmed Wattle, Red-leaved Wattle) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Commius elegans (Cherry Ballart Shield Bug) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Rubus anglocandicans (Blackberry) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Eucalyptus globulus subsp. bicostata (Southern Blue Gum, Eurabbie) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Austracantha minax (Christmas Spider, Jewel Spider) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Wahlenbergia stricta subsp. stricta (Tall Bluebell) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Wahlenbergia capillaris (Tufted Bluebell) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Vittadinia cuneata var. cuneata (Fuzzy New Holland Daisy) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Wahlenbergia capillaris (Tufted Bluebell) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Rytidosperma sp. (Wallaby Grass) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Verbascum thapsus subsp. thapsus (Great Mullein, Aaron's Rod) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Cheilanthes sieberi (Rock Fern) at Molonglo Valley, ACT - 6 Feb 2022 by abread111
Celibe limbata (Pie-dish beetle) at Molonglo Valley, ACT - 5 Feb 2022 by SarahB
Eutrichopidia latinus (Yellow-banded Day-moth) at Molonglo Valley, ACT - 5 Feb 2022 by SarahB
Rhipidura albiscapa (Grey Fantail) at Molonglo Valley, ACT - 5 Feb 2022 by EggShell
Orthetrum caledonicum (Blue Skimmer) at Molonglo Valley, ACT - 2 Feb 2022 by MatthewFrawley
Geitoneura klugii (Marbled Xenica) at Stromlo, ACT - 2 Feb 2022 by MatthewFrawley
Oedaleus australis (Australian Oedaleus) at Stromlo, ACT - 31 Jan 2022 by tpreston
Rytidosperma pallidum (Red-anther Wallaby Grass) at Molonglo Valley, ACT - 31 Jan 2022 by tpreston
Gminatus australis (Orange assassin bug) at Molonglo Valley, ACT - 31 Jan 2022 by tpreston
Utetheisa pulchelloides (Heliotrope Moth) at Molonglo Valley, ACT - 31 Jan 2022 by tpreston
Goodenia hederacea subsp. hederacea (Ivy Goodenia, Forest Goodenia) at Molonglo Valley, ACT - 27 Jan 2022 by tpreston
Dichromodes disputata (Scaled Heath Moth) at Molonglo Valley, ACT - 24 Jan 2022 by tpreston
Habronestes bradleyi (Bradley's Ant-Eating Spider) at Molonglo Valley, ACT - 24 Jan 2022 by tpreston
Poa sieberiana (Poa Tussock) at Molonglo Valley, ACT - 1 Jan 2022 by tpreston
Lasioglossum (Chilalictus) sp. (genus & subgenus) (Halictid bee) at Stromlo, ACT - 22 Dec 2021 by AJB
Pergidae sp. (family) (Unidentified Sawfly) at Stromlo, ACT - 22 Dec 2021 by AJB
Chrysocephalum semipapposum (Clustered Everlasting) at Molonglo Valley, ACT - 15 Dec 2021 by tpreston
Tasmanicosa sp. (genus) (Unidentified Tasmanicosa wolf spider) at Stromlo, ACT - 13 Dec 2021 by tpreston
Phaulacridium vittatum (Wingless Grasshopper) at Stromlo, ACT - 13 Dec 2021 by tpreston
Polichne sp. (genus) (Small Grassland Katydid) at Stromlo, ACT - 13 Dec 2021 by tpreston
Conocephalus semivittatus (Meadow katydid) at Stromlo, ACT - 13 Dec 2021 by tpreston
Dichromodes estigmaria (Pale Grey Heath Moth) at Molonglo Valley, ACT - 13 Dec 2021 by tpreston
Fletchamia quinquelineata (Five-striped flatworm) at Molonglo Valley, ACT - 13 Dec 2021 by tpreston
Truncospora ochroleuca at Stromlo, ACT - 13 Dec 2021 by tpreston
Cerdistus sp. (genus) (Yellow Slender Robber Fly) at Stromlo, ACT - 13 Dec 2021 by tpreston
Podomyrma gratiosa (Muscleman tree ant) at Stromlo, ACT - 13 Dec 2021 by tpreston
Aades cultratus (Weevil) at Stromlo, ACT - 13 Dec 2021 by tpreston
Persoonia rigida (Hairy Geebung) at Molonglo Valley, ACT - 1 Dec 2021 by mcosgrove
Thysanotus tuberosus (Common Fringe-lily) at Stromlo, ACT - 27 Nov 2021 by tpreston
Euchiton sp. (A Cudweed) at Molonglo Valley, ACT - 27 Nov 2021 by tpreston
Melangyna viridiceps (Hover fly) at Molonglo Valley, ACT - 23 Nov 2021 by trevorpreston
Coryphistes ruricola (Bark-mimicking Grasshopper) at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Goodenia hederacea subsp. hederacea (Ivy Goodenia, Forest Goodenia) at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Pottiaceae (family) (A moss) at Stromlo, ACT - 23 Nov 2021 by tpreston
Rytidosperma sp. (Wallaby Grass) at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Dillwynia phylicoides (A Parrot-pea) at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Dichromodes estigmaria (Pale Grey Heath Moth) at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Platyptilia celidotus (Plume Moth) at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Schoenus apogon (Common Bog Sedge) at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Cladonia sp. (genus) (Cup Lichen) at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Bartramiaceae at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Eusemocosma pruinosa (Philobota Group Concealer Moth) at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Gonocarpus tetragynus (Common Raspwort) at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Leptotarsus (Macromastix) costalis (Common Brown Crane Fly) at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Leptospermum obovatum (River Tea Tree) at Molonglo Valley, ACT - 23 Nov 2021 by tpreston
Senecio hispidulus (Hill Fireweed) at Stromlo, ACT - 23 Nov 2021 by tpreston
Senecio diaschides (Erect Groundsel) at Stromlo, ACT - 23 Nov 2021 by tpreston
Senecio quadridentatus (Cotton Fireweed) at Stromlo, ACT - 23 Nov 2021 by tpreston
Hydrocotyle laxiflora (Stinking Pennywort) at Stromlo, ACT - 23 Nov 2021 by tpreston
Rytidosperma pallidum (Red-anther Wallaby Grass) at Stromlo, ACT - 23 Nov 2021 by tpreston
Asura lydia (Lydia Lichen Moth) at Stromlo, ACT - 23 Nov 2021 by tpreston
Trichoderma 'green fluffy' at Stromlo, ACT - 23 Nov 2021 by tpreston
Brachyloma daphnoides (Daphne Heath) at Stromlo, ACT - 23 Nov 2021 by tpreston
Cerdistus sp. (genus) (Yellow Slender Robber Fly) at Stromlo, ACT - 23 Nov 2021 by tpreston
Poranthera microphylla (Small Poranthera) at Stromlo, ACT - 23 Nov 2021 by tpreston
Triptilodiscus pygmaeus (Annual Daisy) at Stromlo, ACT - 23 Nov 2021 by tpreston
Senecio quadridentatus (Cotton Fireweed) at Molonglo Valley, ACT - 22 Nov 2021 by JaneR
Poranthera microphylla (Small Poranthera) at Stromlo, ACT - 8 Nov 2021 by MatthewFrawley
Schoenus apogon (Common Bog Sedge) at Molonglo Valley, ACT - 8 Nov 2021 by MatthewFrawley
Pachycephala rufiventris (Rufous Whistler) at Molonglo Valley, ACT - 8 Nov 2021 by MatthewFrawley
Chironomidae (family) (Non-biting Midge) at Molonglo Valley, ACT - 17 Oct 2021 by LisaH
Psychidae (family) IMMATURE (Unidentified case moth or bagworm) at Molonglo Valley, ACT - 17 Oct 2021 by LisaH
Drosera sp. (A Sundew) at Stromlo, ACT - 17 Oct 2021 by LisaH
Fletchamia quinquelineata (Five-striped flatworm) at Molonglo Valley, ACT - 4 Oct 2021 by tpreston

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Location information

Sighting information

  • 2 Abundance
  • 8 Nov 2022 11:33 AM Recorded on
  • RobG1 Recorded by

Additional information

  • 5mm to 12mm Animal size
  • Unknown Gender
  • Larvae Breeding behaviour
  • Alive / healthy Animal health

Species information

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
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