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 (last updated: 19 Jun 2020)
Castiarina obscura, PL2015, on Leptospermum coriaceum, EP, 6.6 km SSW Carpie Puntha Hill summit, Heggaton CP, 25 Oct 2011 Castiarina obscura, PL2015, on Leptospermum coriaceum, EP, 6.6 km SSW Carpie Puntha Hill summit, Heggaton CP, 25 Oct 2011 Castiarina obscura, PL0842A, male, on Grevillea pterosperma, EP, 9.2 km NNE Midgee HS, Munyaroo CP, 29 Oct 2009, 8.7 × 3.1 mm Castiarina obscura, PL3637H, male, from Melaleuca pauperiflora ssp. mutica, EP, 16.7 km NNE Lock, Hambidge CP, 5 Nov 2016, 9.6 × 3.4 mm Castiarina obscura, PL2646A, on Melaleuca pauperiflora ssp. mutica, EP, 16.5 km NNE Lock, Hambidge CP, 8 Oct 2013 Castiarina obscura, PL2646A, on Melaleuca pauperiflora ssp. mutica, EP, 16.5 km NNE Lock, Hambidge CP, 8 Oct 2013 Castiarina obscura, PL0834D, on Grevillea pterosperma, EP, 5.8 km NNE Midgee HS, 29 Oct 2009, 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 actual records: 78 beetles)
8
5 29 17
12 7
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Legend
9
number of active beetles, actually recorded in that quarter-month
actual count > 10 (median)
actual count <= 10 (median)
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.