Isturgia penthearia

Delta Geometrid at Melba, ACT

Isturgia penthearia at Melba, ACT - 17 Jan 2021
Isturgia penthearia at Melba, ACT - 17 Jan 2021
Isturgia penthearia at Melba, ACT - 17 Jan 2021
Isturgia penthearia at Melba, ACT - 17 Jan 2021
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Identification history

Isturgia penthearia 31 Jan 2021 donhe
Isturgia penthearia 31 Jan 2021 ibaird
Unidentified 25 Jan 2021 kasiaaus

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8 comments

ibaird wrote:
   25 Jan 2021
Yes, an unusual grey, worn form of the species I suspect.
kasiaaus wrote:
   25 Jan 2021
I think this might be Epidesmia perfabricata. The colour matches better and the hind wings on this one showed no orange.
ibaird wrote:
   25 Jan 2021
I considered E perfabricata too, but I wasn't convinced given the shape and position of the main forewing line, which seemed to me to match E. chilonaria better.
kasiaaus wrote:
   26 Jan 2021
I wonder if you could have another look (I added two more photos that you may not have seen). The third photo shows a bit of the underwing and there is no orange. It was also quite a fresh moth and not a worn one.
ibaird wrote:
   26 Jan 2021
This is a male judging by the antennae. Referring to the underwing pattern for E. chilonaria given by Moths of Victoria on their supporting disc (Part 4), there is orange on the top side of the hindwing but not on the bottom side of the hindwing. There is also orange on the underside of the forewing and a conspicuous black blotch provided the plain hindwiing is not obscuring the yellow forewing underside. On the underside of the forewing the entire wing is not yellow, the wing near the costa and almost a third of forewing towards the tip remains plain. Similarly, the entire top side of the hindwing is not yellow the trailing edges are plain and a large are toward the tornus of the hindwing (normally exposed when the moth is at rest) also remains plain. I think its entirely plausible that the yellow of the hindwings for E. chilonaria is invisible in your photos because it is obscured by overlapping forewings or hindwings. Also there are clear dots along the forewing mainline topside in E. perfabricata and along its forewing hindmargin which appear to be absent here. Nevertheless, to attract a third moderator's opinion on this identification I will add the ID of Epidesmia (genus) to reflect the uncertainty.
donhe wrote:
   26 Jan 2021
The hindwing tornal area of E. chilonaria is brown, and consistent with your 3rd photo.
ibaird wrote:
   31 Jan 2021
Not Epidesmia genus, this is Isturgia penthearia.
kasiaaus wrote:
   31 Jan 2021
Thanks Ian. I was worried about this one ;-)

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Nearby sightings

Page 1 of 41 - image sightings only

Cermatulus nasalis (Predatory shield bug, Glossy shield bug) at Melba, ACT - 16 Mar 2024 by kasiaaus
Ichneumonidae (family) (Unidentified ichneumon wasp) at Melba, ACT - 14 Mar 2024 by kasiaaus
Apolinus lividigaster (Yellow Shouldered Ladybird) at Melba, ACT - 14 Mar 2024 by kasiaaus
Caedicia simplex (Common Garden Katydid) at Melba, ACT - 14 Mar 2024 by kasiaaus
Amegilla (Zonamegilla) asserta (Blue Banded Bee) at Melba, ACT - 10 Mar 2024 by kasiaaus
Braconidae (family) (Unidentified braconid wasp) at Melba, ACT - 7 Mar 2024 by kasiaaus
Trigonospila sp. (genus) (A Bristle Fly) at Melba, ACT - 7 Mar 2024 by kasiaaus
Lasioglossum (Chilalictus) sp. (genus & subgenus) (Halictid bee) at Melba, ACT - 4 Mar 2024 by kasiaaus
Epilachna sumbana (A Leaf-eating Ladybird) at Melba, ACT - 4 Mar 2024 by kasiaaus
Apis mellifera (European honey bee) at Melba, ACT - 4 Mar 2024 by kasiaaus
Hippodamia variegata (Spotted Amber Ladybird) at Melba, ACT - 4 Mar 2024 by kasiaaus
Lucilia cuprina (Australian sheep blowfly) at Melba, ACT - 18 Feb 2024 by kasiaaus
Illeis galbula (Fungus-eating Ladybird) at Melba, ACT - 18 Feb 2024 by kasiaaus
Epilachna sumbana (A Leaf-eating Ladybird) at Melba, ACT - 18 Feb 2024 by kasiaaus
Papilio anactus (Dainty Swallowtail) at Melba, ACT - 18 Feb 2024 by kasiaaus
Papilio aegeus (Orchard Swallowtail, Large Citrus Butterfly) at Melba, ACT - 18 Feb 2024 by kasiaaus
Culicidae (family) (A mosquito) at Melba, ACT - 11 Jan 2024 by kasiaaus
Camponotus aeneopilosus (A Golden-tailed sugar ant) at Melba, ACT - 26 Jun 2022 by kasiaaus
Lepidoscia saxosa at Melba, ACT - 25 Jun 2022 by kasiaaus
Chlenias nodosus (A geometer moth) at Melba, ACT - 25 Jun 2022 by kasiaaus
Chlenias ochrocrana (White-point Crest-moth) at Melba, ACT - 24 Jun 2022 by kasiaaus
Lepidoscia (genus) ADULT (A Case moth) at Melba, ACT - 23 Jun 2022 by kasiaaus
Isotenes miserana (Orange Fruit Borer) at Melba, ACT - 23 Jun 2022 by kasiaaus
Agrotis porphyricollis (Variable Cutworm) at Melba, ACT - 22 Jun 2022 by kasiaaus
Lepidoscia saxosa at Melba, ACT - 20 Jun 2022 by kasiaaus
Lepidoscia saxosa at Melba, ACT - 20 Jun 2022 by kasiaaus
Chlenias nodosus (A geometer moth) at Melba, ACT - 20 Jun 2022 by kasiaaus
Thrincophora impletana (a Tortrix moth) at Melba, ACT - 19 Jun 2022 by kasiaaus
Chlenias banksiaria group (A Geometer moth) at Melba, ACT - 18 Jun 2022 by kasiaaus
Holocola (genus) (Olethreutinae) at Melba, ACT - 17 Jun 2022 by kasiaaus
Lepidoscia saxosa at Melba, ACT - 17 Jun 2022 by kasiaaus
Monopis icterogastra (Wool Moth) at Melba, ACT - 17 Jun 2022 by kasiaaus
Hoplostega ochroma (a Eulechria Group moth) at Melba, ACT - 16 Jun 2022 by kasiaaus
Capusa stenophara (Dusky Wedge-moth) at Melba, ACT - 14 Jun 2022 by kasiaaus
Capua intractana (A Tortricid moth) at Melba, ACT - 5 Jun 2022 by kasiaaus
Leptocroca sanguinolenta (A Concealer moth) at Melba, ACT - 3 Jun 2022 by kasiaaus
Lepidoscia adelopis, annosella and similar species (A Case moth) at Melba, ACT - 2 Jun 2022 by kasiaaus
Gelechioidea (superfamily) (Unidentified Gelechioid moth) at Melba, ACT - 2 Jun 2022 by kasiaaus
Oxycanus silvanus (Pale Oxycanus) at Melba, ACT - 27 May 2022 by kasiaaus
Simplicia armatalis (Crescent Moth) at Melba, ACT - 27 May 2022 by kasiaaus
Epyaxa subidaria (Subidaria Moth) at Melba, ACT - 26 May 2022 by kasiaaus
Oecophoridae (family) (Unidentified Oecophorid concealer moth) at Melba, ACT - 26 May 2022 by kasiaaus
Oxycanus dirempta (Variable Oxycanus) at Melba, ACT - 25 May 2022 by kasiaaus
Epyaxa sodaliata (Sodaliata Moth, Clover Moth) at Melba, ACT - 25 May 2022 by kasiaaus
Dasygaster padockina (Tasmanian Cutworm) at Melba, ACT - 25 May 2022 by kasiaaus
Metasia pharisalis (A Crambid moth) at Melba, ACT - 23 May 2022 by kasiaaus
Bondia nigella (A Fruitworm moth (Family Carposinidae)) at Melba, ACT - 22 May 2022 by kasiaaus
Epiphyas caryotis (A Tortricid moth) at Melba, ACT - 21 May 2022 by kasiaaus
Diarsia intermixta (Chevron Cutworm, Orange Peel Moth.) at Melba, ACT - 21 May 2022 by kasiaaus
Ectropis (genus) (An engrailed moth) at Melba, ACT - 17 May 2022 by kasiaaus
Oxycanus silvanus (Pale Oxycanus) at Melba, ACT - 17 May 2022 by kasiaaus
Thrincophora impletana (a Tortrix moth) at Melba, ACT - 14 May 2022 by kasiaaus
Oxycanus silvanus (Pale Oxycanus) at Melba, ACT - 14 May 2022 by kasiaaus
Diarsia intermixta (Chevron Cutworm, Orange Peel Moth.) at Melba, ACT - 14 May 2022 by kasiaaus
Epyaxa sodaliata (Sodaliata Moth, Clover Moth) at Melba, ACT - 14 May 2022 by kasiaaus
Euphronarcha luxaria (Striated Bark Moth) at Melba, ACT - 13 May 2022 by kasiaaus
Nola paromoea (Divided Tuft-moth) at Melba, ACT - 13 May 2022 by kasiaaus
Leucania diatrecta (A Noctuid moth) at Melba, ACT - 13 May 2022 by kasiaaus
Zelleria cynetica (Rectangular Ermine Moth) at Melba, ACT - 12 May 2022 by kasiaaus
Oxycanus silvanus (Pale Oxycanus) at Melba, ACT - 12 May 2022 by kasiaaus
Tortricinae (subfamily) (A tortrix moth) at Melba, ACT - 12 May 2022 by kasiaaus
Eutorna tricasis (A Depressariid moth) at Melba, ACT - 11 May 2022 by kasiaaus
Simplicia armatalis (Crescent Moth) at Melba, ACT - 11 May 2022 by kasiaaus
Chenuala heliaspis (Rose Anthelid) at Melba, ACT - 11 May 2022 by kasiaaus
Oecophoridae (family) (Unidentified Oecophorid concealer moth) at Melba, ACT - 10 May 2022 by kasiaaus
Opogona omoscopa (Detritus Moth) at Melba, ACT - 10 May 2022 by kasiaaus
Plesanemma fucata (Lemon Gum Moth) at Melba, ACT - 9 May 2022 by kasiaaus
Ceromitia (genus) (A Fairy moth) at Melba, ACT - 9 May 2022 by kasiaaus
Cystopelta sp. (genus) (Unidentified Cystopelta Slug) at Melba, ACT - 9 May 2022 by kasiaaus
Blastobasis (genus) at Melba, ACT - 9 May 2022 by kasiaaus
Spoladea recurvalis (Beet Webworm) at Melba, ACT - 9 May 2022 by kasiaaus
Proteuxoa tibiata (Horseshoe Noctuid) at Melba, ACT - 9 May 2022 by kasiaaus
Agrotis porphyricollis (Variable Cutworm) at Melba, ACT - 8 May 2022 by kasiaaus
Thrincophora lignigerana (A Tortricid moth) at Melba, ACT - 8 May 2022 by kasiaaus
Monomachus antipodalis (A parasitic wasp) at Melba, ACT - 8 May 2022 by kasiaaus
Agrotis porphyricollis (Variable Cutworm) at Melba, ACT - 8 May 2022 by kasiaaus
Oxycanus dirempta (Variable Oxycanus) at Melba, ACT - 8 May 2022 by kasiaaus
Rentinus dilatatus (Fulgorid planthopper) at Melba, ACT - 8 May 2022 by kasiaaus
Agrotis porphyricollis (Variable Cutworm) at Melba, ACT - 8 May 2022 by kasiaaus
Oxycanus dirempta (Variable Oxycanus) at Melba, ACT - 8 May 2022 by kasiaaus
Oecophoridae (family) (Unidentified Oecophorid concealer moth) at Melba, ACT - 8 May 2022 by kasiaaus
Proteuxoa tibiata (Horseshoe Noctuid) at Melba, ACT - 8 May 2022 by kasiaaus
Poecilasthena pulchraria (Australian Cranberry Moth) at Melba, ACT - 7 May 2022 by kasiaaus
Stibaroma melanotoxa (Grey-caped Line-moth) at Melba, ACT - 7 May 2022 by kasiaaus
Faveria tritalis (Couchgrass Webworm) at Melba, ACT - 3 May 2022 by kasiaaus
Mnesampela privata (Autumn Gum Moth) at Melba, ACT - 3 May 2022 by kasiaaus
Ceromitia iolampra (A Fairy moth) at Melba, ACT - 2 May 2022 by kasiaaus
Fisera perplexata (Light-tan Crest-moth) at Melba, ACT - 2 May 2022 by kasiaaus
Nyctemera amicus (Senecio Moth, Magpie Moth, Cineraria Moth) at Melba, ACT - 2 May 2022 by kasiaaus
Uresiphita ornithopteralis (Tree Lucerne Moth) at Melba, ACT - 2 May 2022 by kasiaaus
Stibaroma melanotoxa (Grey-caped Line-moth) at Melba, ACT - 1 May 2022 by kasiaaus
Phryganeutis cinerea (Chezala Group moth) at Melba, ACT - 30 Apr 2022 by kasiaaus
Persectania ewingii (Southern Armyworm) at Melba, ACT - 30 Apr 2022 by kasiaaus
Smyriodes undescribed species nr aplectaria at Melba, ACT - 30 Apr 2022 by kasiaaus
Sapromyza sp. (genus) (A lauxaniid fly) at Melba, ACT - 30 Apr 2022 by kasiaaus
Asura lydia (Lydia Lichen Moth) at Melba, ACT - 30 Apr 2022 by kasiaaus
Artiastis (genus) (Chezala Group) at Melba, ACT - 29 Apr 2022 by kasiaaus
Idaea inversata (Purple Wave) at Melba, ACT - 29 Apr 2022 by kasiaaus
Lobesia (genus) (A Tortricid moth) at Melba, ACT - 29 Apr 2022 by kasiaaus
Metasia (genus) (A Crambid moth) at Melba, ACT - 29 Apr 2022 by kasiaaus

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Location information

Sighting information

  • 1 - 3 Abundance
  • 17 Jan 2021 01:16 AM Recorded on
  • kasiaaus Recorded by

Additional information

  • 25mm to 50mm Animal size

Species information

Record quality

  • Overall Fit for scientific/research use
  • Images or audio
  • More than one media file
  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
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