Rather similar to G. lilliputana, and possibly conspecific, but specimens here assigned this name are slightly broader with the posterior of the pronotum less constricted.
The application of this name in SA is uncertain, but some SA specimens closely match an image of a syntype specimen from Queensland. It seems this species and G. carteri may occur together with G. lilliputana which is the best known species. It is possible that more species are involved and the taxonomy of the genus is much in need of study.
| Legend | P.J.Lang collection vouchered records | |
| other private collection or museum specimens, or sightings |
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| Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun |
| Legend | live emerged adults, count > median value of 1 per quarter month | |
| live emerged adults, count <= median value of 1 | ||
| live non-emerged adults only, for that quarter month | ||
12 | number of active beetles for that quarter month |
| beetles | sites | SA regions¹ | family | position on host plant | |||
| Allocasuarina verticillata | 6 | 3 | SL | C | |||
| Allocasuarina muelleriana ssp. muelleriana | 1 | 1 | SE | C |
| Legend | beetles | count of beetles collected from, or sighted on, host plant taxon |
| sites | count of major sites (unique 10 km grid cells +/- some distinct approximate localities) |
| Code | beetles | % | host plant taxa | |
| C | Casuarinaceae | 7 | 100% | 2 |
| position | beetles | sites | |
| on foliage or non-flowering plant | 3 | 3 | |
| on plant (unspecified) | 4 | 1 |
| ¹ Legend | regions | SA State Herbarium regions (map) EA: Eastern, EP: Eyre Peninsula, FR: Flinders Ranges, GT: Gairdner-Torrens, KI: Kangaroo Island, LE: Lake Eyre, MU: Murray, NL: Northern Lofty, NU: Nullarbor, NW: North-Western, SE: South-Eastern, SL: Southern Lofty, YP: Yorke Peninsula |