According to Levey 2018 'look very like small specimens of Melobasis nervosa which might be the most closely related species'. Elytra with ridges (especially outer ones) less well developed than in M. nervosa and not reaching base.
| 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 | ||
| Senna sp. | 1 | 1 | EP | F |
| 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 | |
| F | Fabaceae | 1 | 100% | 1 |
| position | beetles | sites | |
| on plant (unspecified) | 1 | 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 |