Rounded Nearcha at O'Connor, ACT
Identification history
| Nearcha nullata | 11 Jan 2023 | donhe | ||
| Nearcha nullata | 11 Jan 2023 | GlennCocking | ||
| Dichromodes molybdaria | 11 Jan 2023 | donhe | ||
| Epidesmia hypenaria | 9 Jan 2023 | donhe | ||
| Unidentified | 9 Jan 2023 | ConBoekel |
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6 comments
ibaird
wrote:
10 Jan 2023
This moth has filamentous antennae which seem to me to be different to those of E. hypenaria. Dichromodes?
donhe
wrote:
11 Jan 2023
On the left side of the prothorax of this moth in the first and second photos, I think I see a feathery antenna,, but I cannot discern whether it is unipectinate or bipectinate. But I thought the males of both Epidesmia and Dichromodes have unipectinate antennae?
ibaird
wrote:
11 Jan 2023
OK, but I think the form the unipectinate antennae take is different in Epidesmia. The palpi to short for E. hypenaria amd the dots pattern doesn't match Epidesmia.
donhe
wrote:
11 Jan 2023
I think the palpi are foreshortened by being bent down, like the nose of Concorde when landing. I can see no Dichromodes with palpi of a matching length.
ibaird
wrote:
11 Jan 2023
Bold Systems lists abour 150 species of Dichromodes, many very plain looking. I agree the length of the palpi is an issue for Dichromodes.
GlennCocking
wrote:
11 Jan 2023
Looking at the features of several "similar" genera discussed on p181,2,3 of Moths in the ACT:
1. The pectinate antennae make it Dichromodes, Nearcha or Epidesmia, not Taxeotis;
2. I think the labial palpi are too long for Dichromodes and too short for Epidesmia (even after allowing for foreshortening in the photo); and
3. The downward angle of the palpi is characteristic of Nearcha and not of Epidesmia hypenaria which seems to hold them directly forwards even in set specimens;
suggests Nearcha is the most likely genus. Looking at the wing pattern, it is a good match for Nearcha nullata (see p182 in Moths in the ACT, and CNM)
1. The pectinate antennae make it Dichromodes, Nearcha or Epidesmia, not Taxeotis;
2. I think the labial palpi are too long for Dichromodes and too short for Epidesmia (even after allowing for foreshortening in the photo); and
3. The downward angle of the palpi is characteristic of Nearcha and not of Epidesmia hypenaria which seems to hold them directly forwards even in set specimens;
suggests Nearcha is the most likely genus. Looking at the wing pattern, it is a good match for Nearcha nullata (see p182 in Moths in the ACT, and CNM)
Location information
- Coordinates 149.110055-35.260868
- Altitude 634.0m
- Maps Dryandra St Woodland
- Places O'Connor, ACT
Sighting information
- 1 Abundance
- 8 Jan 2023 11:41 AM Recorded on
- ConBoekel Recorded by
-
Collections
Insects Moths (Lepidoptera) Geometer moths (Geometridae)
Additional information
- 12mm to 25mm Animal size
Species information
- Nearcha nullata Scientific name
- Rounded Nearcha Common name
- Not Sensitive
- Local native
- Non-invasive or negligible
- Up to 653m Recorded at altitude
- Machine learning
- External link More 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
