Buprestidae of South Australia
( Jewel beetles )
by Peter J. Lang
Astraeus obscurus   Barker, 1975
subfamily  Polycestinae » tribe  Astraeini » subtribe  Astraeina
Astraeus obscurus   Adult images (last updated: 4 Jan 2023)
Astraeus obscurus, PL1858, female, on Allocasuarina helmsii, EP, 16.8 km E Kimba, Lake Gilles CP, 2 Feb 2011, 9.4 × 3.6 mm Astraeus obscurus, PL1858, female, on Allocasuarina helmsii, EP, 16.8 km E Kimba, Lake Gilles CP, 2 Feb 2011, 9.4 × 3.6 mm Astraeus obscurus, PL1858, female, from Allocasuarina helmsii, EP, 16.8 km E Kimba, Lake Gilles CP, 2 Feb 2011, 9.4 × 3.6 mm Astraeus obscurus, PL1858, female, from Allocasuarina helmsii, EP, 16.8 km E Kimba, Lake Gilles CP, 2 Feb 2011, 9.4 × 3.6 mm Astraeus obscurus, PL5685, male, on Allocasuarina muelleriana ssp. muelleriana (PJL 3619), EP, 34.6 km NNE Kalanbi, Yumbarra CP, 7 Nov 2022, 9.6 × 3.6 mm Astraeus obscurus, PL5685, male, on Allocasuarina muelleriana ssp. muelleriana (PJL 3619), EP, 34.6 km NNE Kalanbi, Yumbarra CP, 7 Nov 2022, 9.6 × 3.6 mm
Actual
size¹:
9.8 mm
×
3.7 mm
Measurements (mm)
malefemale
L19.6
 n = 19.9
9.4 – 10.3
 n = 2
L29.3
 n = 19.6
9.2 – 10
 n = 2
W3.6
 n = 13.8
3.55 – 3.95
 n = 2
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
Australian States:  WA,  SA
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 Astraeus obscurus  (total actual records: 8 beetles)
2
5
1
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 > 2 (median)
actual count <= 2 (median)
Adult host plants
beetles sites SA regions¹ family position on host plant
Allocasuarina helmsii61EPC
Allocasuarina muelleriana ssp. muelleriana21EPC
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
C Casuarinaceae 8 100% 2
Position on adult host
positionbeetlessites
on foliage or non-flowering plant32
on plant (unspecified)51
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.