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Geometer moth (Geometridae)Nearcha sp. (genus)

A Nearcha Geometer moth at Tuggeranong Hill

Nearcha sp. (genus) at Tuggeranong Hill - 11 Mar 2019

Identification history

Geometer moth (Geometridae) Nearcha sp. (genus) 12 Mar 2019 ibaird
Nearcha species (genus) 12 Mar 2019 donhe
Unidentified 11 Mar 2019 Owen

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Author's notes

Suspect Nearcha ursaria due to wing patterning but wingtips unclear. WS approx 25-30mm

3 comments

donhe wrote:
   11 Mar 2019
Also the pattern is more muted than N. ursaria, so I think it is more likely N. curtaria
ibaird wrote:
   11 Mar 2019
I am uncertain whether the specimen is a Nearcha species. The Nearcha males have pectinate antennae which are not clearly evident here (unless there are other images) - so it would likely be a female. I am not sure the overall forewing shape is pointed enough and angular to be typical of the Nearcha images I see online. Images on the Moths Victoria supporting CDs of both N. usraria and N. curtaria range from light to darker in colouration, so I don't know whether one species is generally muted than the other. The specimen on CNM already identified as N. ursaria appears similar in colouration to this one. N. curtaria's given common name is ''√Āngular Nearcha'' given, presumably, because it shows a more angular shape than other Nearcha. Moths of Victoria's images do show this angular shape for N. curtaria. Yet this specimen, to me, doesn't look very angular in shape overall. Moths of Victoria rely on overall hindwing shape, marking and fine details visible on the underside of the fore and hindwings to distinguish Nearcha species. Moths of Victoria say N. curtaria can be distinguished from N. ursaria by hindwing shape, with N. curtaria having an angular hindwing shape whereas N. ursaria is rounded. I don't think we can see enough of the hindwing in this case to be sure on that criterion. If this is a Nearcha sp. and not a Taxeotis sp. I'm not sure which one.
donhe wrote:
   12 Mar 2019
I think it is not a Taxeotis species as in that genus the first line stops short of the costa, whereas in this specimen it extends all the way from hind-margin to costa.
I agree that the only sure way to distinguish N. ursaria and N. curtaria is the pattern of ridges and tufts on the undersides, so I suggest we just say it is a Nearcha species.

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Nearby Sightings

Page 1 of 1 pages - image sightings only 33 0 31

Galanga labeculata (Double-spotted cicada) at Tuggeranong Hill - 11 Dec 2019 by Owen Heteronympha merope (Common Brown) at Tuggeranong Hill - 4 Nov 2019 by Owen Acacia cultriformis (Knife Leaf Wattle) at Tuggeranong Hill - 30 Apr 2019 by Owen Muellerina eucalyptoides (Creeping Mistletoe) at Tuggeranong Hill - 30 Apr 2019 by Owen Acacia ulicifolia (Prickly Moses) at Tuggeranong Hill - 29 Apr 2019 by Owen Chrysolarentia severata (Finely-lined Carpet) at Tuggeranong Hill - 25 Apr 2019 by Owen Jalmenus ictinus (Stencilled Hairstreak) at Tuggeranong Hill - 27 Jan 2019 by Owen Junonia villida (Meadow Argus) at Tuggeranong Hill - 10 Sep 2018 by Owen Indigofera adesmiifolia (Tick Indigo) at Tuggeranong Hill - 27 Oct 2014 by michaelb Calytrix tetragona (Common fringe-myrtle) at Tuggeranong Hill - 27 Oct 2014 by michaelb Acacia mearnsii (Black Wattle) at Tuggeranong Hill - 27 Oct 2014 by michaelb Pimelea curviflora (Curved Rice-flower) at Tuggeranong Hill - 27 Oct 2014 by michaelb Acaena x ovina (Sheep's Burr) at Tuggeranong Hill - 27 Oct 2014 by michaelb Indigofera adesmiifolia (Tick Indigo) at Tuggeranong Hill - 27 Oct 2014 by michaelb Wahlenbergia stricta subsp. stricta (Tall Bluebell) at Tuggeranong Hill - 27 Oct 2014 by michaelb Diuris sulphurea (Tiger orchid) at Tuggeranong Hill - 27 Oct 2014 by michaelb Dillwynia sericea (Egg and Bacon Peas) at Tuggeranong Hill - 27 Oct 2014 by michaelb Diuris sulphurea (Tiger orchid) at Tuggeranong Hill - 27 Oct 2014 by michaelb Lepidosperma laterale (Variable Sword Sedge) at Tuggeranong Hill - 27 Oct 2014 by michaelb Bossiaea buxifolia (Bush Pea) at Tuggeranong Hill - 27 Oct 2014 by michaelb Diuris sulphurea (Tiger orchid) at Tuggeranong Hill - 27 Oct 2014 by michaelb Acacia mearnsii (Black Wattle) at Tuggeranong Hill - 27 Oct 2014 by michaelb Dianella longifolia var. longifolia (Pale Flax Lily, Blue Flax Lily) at Tuggeranong Hill - 27 Oct 2014 by michaelb Diuris semilunulata (Late leopard orchid) at Tuggeranong Hill - 6 Oct 2014 by michaelb Diuris semilunulata (Late leopard orchid) at Tuggeranong Hill - 6 Oct 2014 by michaelb Galium gaudichaudii subsp. gaudichaudii (Rough bedstraw) at Tuggeranong Hill - 6 Oct 2014 by michaelb Hardenbergia violacea (False Sarsaparilla) at Tuggeranong Hill - 13 Sep 2014 by michaelb Cryptandra speciosa subsp. speciosa at Tuggeranong Hill - 13 Sep 2014 by michaelb Veronica persica (Creeping Speedwell) at Tuggeranong Hill - 8 Sep 2014 by michaelb Acacia buxifolia subsp. buxifolia (Box-leaf Wattle) at Tuggeranong Hill - 8 Sep 2014 by michaelb Themeda triandra (Kangaroo Grass) at Tuggeranong Hill - 3 Jan 2000 by michaelb
Galanga labeculata (Double-spotted cicada) at Tuggeranong Hill - 11 Dec 2019 by Owen
Heteronympha merope (Common Brown) at Tuggeranong Hill - 4 Nov 2019 by Owen
Acacia cultriformis (Knife Leaf Wattle) at Tuggeranong Hill - 30 Apr 2019 by Owen
Muellerina eucalyptoides (Creeping Mistletoe) at Tuggeranong Hill - 30 Apr 2019 by Owen
Acacia ulicifolia (Prickly Moses) at Tuggeranong Hill - 29 Apr 2019 by Owen
Chrysolarentia severata (Finely-lined Carpet) at Tuggeranong Hill - 25 Apr 2019 by Owen
Jalmenus ictinus (Stencilled Hairstreak) at Tuggeranong Hill - 27 Jan 2019 by Owen
Junonia villida (Meadow Argus) at Tuggeranong Hill - 10 Sep 2018 by Owen
Indigofera adesmiifolia (Tick Indigo) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Calytrix tetragona (Common fringe-myrtle) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Acacia mearnsii (Black Wattle) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Pimelea curviflora (Curved Rice-flower) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Acaena x ovina (Sheep's Burr) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Indigofera adesmiifolia (Tick Indigo) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Wahlenbergia stricta subsp. stricta (Tall Bluebell) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Diuris sulphurea (Tiger orchid) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Dillwynia sericea (Egg and Bacon Peas) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Diuris sulphurea (Tiger orchid) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Lepidosperma laterale (Variable Sword Sedge) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Bossiaea buxifolia (Bush Pea) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Diuris sulphurea (Tiger orchid) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Acacia mearnsii (Black Wattle) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Dianella longifolia var. longifolia (Pale Flax Lily, Blue Flax Lily) at Tuggeranong Hill - 27 Oct 2014 by michaelb
Diuris semilunulata (Late leopard orchid) at Tuggeranong Hill - 6 Oct 2014 by michaelb
Diuris semilunulata (Late leopard orchid) at Tuggeranong Hill - 6 Oct 2014 by michaelb
Galium gaudichaudii subsp. gaudichaudii (Rough bedstraw) at Tuggeranong Hill - 6 Oct 2014 by michaelb
Hardenbergia violacea (False Sarsaparilla) at Tuggeranong Hill - 13 Sep 2014 by michaelb
Cryptandra speciosa subsp. speciosa at Tuggeranong Hill - 13 Sep 2014 by michaelb
Veronica persica (Creeping Speedwell) at Tuggeranong Hill - 8 Sep 2014 by michaelb
Acacia buxifolia subsp. buxifolia (Box-leaf Wattle) at Tuggeranong Hill - 8 Sep 2014 by michaelb
Themeda triandra (Kangaroo Grass) at Tuggeranong Hill - 3 Jan 2000 by michaelb

1 

Location information

Species information

  • Not Sensitive
  • Local Native
  • Non-Invasive

Sighting information

  • 1 - 3 Abundance
  • 11 Mar 2019 Recorded on
  • Owen Recorded by

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