male | female | |||||
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L1 | 12.1 | 11.35 – 12.65 | n = 6 | 13.2 | 9.6 – 14.7 | n = 6 |
L2 | 12.1 | 11.1 – 12.6 | n = 4 | 13.6 | 13.5 – 13.8 | n = 4 |
W | 4.5 | 4 – 4.7 | n = 6 | 5.0 | 3.5 – 5.45 | n = 6 |
Legend | L1 | length from clypeus/frons to elytral apex (mean, range, sample size) |
L2 | length from anterior of edge of eyes to elytral apex | |
W | maximum width with elytra fully closed |
Dirty orange background coloration of elytra, and upper legs with strongly defined zone of red to pink.
Related to Castiarina adelaidae (also in the octospilota group of Barker 2006a) but confined to dryer habitats than that species, usually mallee communities with sandy soils. There is considerable overlap in distribution with C. adelaidae, but no sign of intergradation where the two species occur together.
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 7 per quarter month | |
live emerged adults, count <= median value of 7 | ||
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 | ||||
Leptospermum coriaceum | 84 | 19 | GT, EP, MU | M | ||||
Hysterobaeckea behrii | 32 | 12 | EP, MU, SE | M | ||||
Leptospermum myrsinoides | 5 | 3 | MU, SE | M | ||||
Leptospermum sp. | 4 | 4 | EP, SE | M | ||||
Homoranthus wilhelmii | 3 | 2 | EP | M | ||||
*Brassica x napus | 1 | 1 | SE | |||||
Calytrix tetragona | 1 | 1 | EP | M | ||||
Eucalyptus sp. | 1 | 1 | EP | M | ||||
Eucalyptus yumbarrana | 1 | 1 | EP | M |
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) | |
* | indicates alien (non-native) plant occurrences, either wild or planted (the species may be alien in SA, or native in parts of its SA range) |
Code | beetles | % | host plant taxa | |
M | Myrtaceae | 131 | 100% | 6 |
position | beetles | sites | |
on flower(s) | 62 | 14 | |
on flowering plant | 30 | 19 | |
on plant (unspecified) | 40 | 11 |
colour | beetles | sites | SA regions¹ |
blue | 5 | 1 | MU |
The SA adult host plant records are almost entirely from plants of the Myrtle family (Myrtaceae) and the beetles are often found feeding on their nectar-rich flowers. There is a particularly strong association with Mallee Tea-tree Leptospermum coriaceum.
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 |
size | The ellipse is the correct size when printed, indicative on a desktop screen, and likely to be wrong on a mobile device. |