Buprestidae of South Australia
( Jewel beetles )
by Peter J. Lang
Castiarina obscura   (Saunders, 1869)
subfamily  Buprestinae » tribe  Stigmoderini » subtribe  Stigmoderina
Castiarina  species group: cruentata
Castiarina obscura   Adult images
Castiarina obscura, PL2015, on Leptospermum coriaceum, EP Castiarina obscura, PL2015, on Leptospermum coriaceum, EP Castiarina obscura, PL0842A, male, on Grevillea pterosperma, EP, 8.7 × 3.1 mm Castiarina obscura, PL3637H, male, from Melaleuca pauperiflora ssp. mutica, EP, 9.6 × 3.4 mm Castiarina obscura, PL2646A, on Melaleuca pauperiflora ssp. mutica, EP Castiarina obscura, PL2646A, on Melaleuca pauperiflora ssp. mutica, EP Castiarina obscura, PL0834D, on Grevillea pterosperma, EP, 8.9 × 3.1 mm
Actual
size¹:
8.5 mm
×
3.0 mm
Measurements (mm)
malefemale
L18.5
7.3 – 9.6
 n = 168.6
6.7 – 9.9
 n = 11
L28.0
7.1 – 9.25
 n = 108.4
6.6 – 9.7
 n = 9
W2.9
2.5 – 3.4
 n = 163.1
2.5 – 3.55
 n = 11
Legend  L1length from clypeus/frons to elytral apex (mean, range, sample size)
L2length from anterior of edge of eyes to elytral apex
Wmaximum width with elytra fully closed
Distribution
SA Regions¹:  EP,  MU
Australian States:  SA,  VIC
Southern South Australian occurrences
LegendP.J.Lang collection vouchered records
other private collection or museum specimens, or sightings
Satellite map
Terrain map
Enlarge map
Adult activity records for Castiarina obscura  (total of 78 beetles)
8
5 29 17
12 7
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Legend
live emerged adults, count > median value of 12 per quarter month
live emerged adults, count <= median value of 12
live non-emerged adults only, for that quarter month
12
number of active beetles for that quarter month
Adult host plants
beetles sites SA regions¹ family position on host plant
Melaleuca pauperiflora ssp. mutica454EPM
Grevillea pterosperma132EPP
Leptospermum coriaceum64EPM
Calytrix tetragona41EPM
Eucalyptus socialis ssp. socialis11EPM
Hakea sp.11EPP
Hysterobaeckea behrii11EPM
Leptospermum sp.11MUM
Legendbeetlescount of beetles collected from, or sighted on, host plant taxon
sitescount of major sites (unique 10 km grid cells +/- some distinct approximate localities)
Plant names in green are hyperlinked to a matching host species page with plant photos.
Plant family
Code beetles % host plant taxa
M Myrtaceae 58 81% 5
P Proteaceae 14 19% 2
Position on adult host
positionbeetlessites
on flower(s)334
on flowering plant235
on plant (unspecified)167
¹ LegendregionsSA 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
sizeThe ellipse is the correct size when printed, indicative on a desktop screen, and likely to be wrong on a mobile device.