Buprestidae of South Australia
( Jewel beetles )
by Peter J. Lang
Diphucrania duodecimmaculata   (Fabricius, 1801)
subfamily  Agrilinae » tribe  Coraebini » subtribe  Cisseina
Diphucrania duodecimmaculata   Adult images
Diphucrania duodecimmaculata, PL0414, male, on Xanthorrhoea semiplana ssp. semiplana, SL, 9.4 × 3.6 mm Diphucrania duodecimmaculata, PL3518A, male, on Allocasuarina verticillata, MU, 9.7 × 3.6 mm Diphucrania duodecimmaculata, PL4313, on Allocasuarina muelleriana ssp. muelleriana, EP, 9.6 × 3.6 mm Diphucrania duodecimmaculata, PL3774A, female, on Allocasuarina verticillata, SL, 11.5 × 4.5 mm Diphucrania duodecimmaculata, PL4313, male, EP, 9.6 × 3.6 mm Diphucrania duodecimmaculata, PL4313, male, EP, 9.6 × 3.6 mm Diphucrania duodecimmaculata, DAY182, from Xanthorrhoea semiplana ssp. tateana, KI, 10.6 × 4.0 mm Diphucrania duodecimmaculata, PL3518A, male, on Allocasuarina verticillata, MU, 9.7 × 3.6 mm Diphucrania duodecimmaculata, PL3518A, male, on Allocasuarina verticillata, MU, 9.7 × 3.6 mm Diphucrania duodecimmaculata, PL3518A, male, on Allocasuarina verticillata, MU, 9.7 × 3.6 mm Diphucrania duodecimmaculata, PL0414, male, on Xanthorrhoea semiplana ssp. semiplana, SL, 9.4 × 3.6 mm Diphucrania duodecimmaculata, PL0414, male, on Xanthorrhoea semiplana ssp. semiplana, SL, 9.4 × 3.6 mm Diphucrania duodecimmaculata, PL3732B, female, on Xanthorrhoea semiplana ssp. semiplana, MU, 9.4 × 3.6 mm Diphucrania duodecimmaculata, PL3732B, female, on Xanthorrhoea semiplana ssp. semiplana, MU, 9.4 × 3.6 mm Diphucrania duodecimmaculata, PL3732B, female, on Xanthorrhoea semiplana ssp. semiplana, MU, 9.4 × 3.6 mm Diphucrania duodecimmaculata, PL3774A, female, on Allocasuarina verticillata, SL, 11.5 × 4.5 mm Diphucrania duodecimmaculata, PL3774A, female, on Allocasuarina verticillata, SL, 11.5 × 4.5 mm Diphucrania duodecimmaculata, PL3774A, female, on Allocasuarina verticillata, SL, 11.5 × 4.5 mm Diphucrania duodecimmaculata, PL3774A, female, on Allocasuarina verticillata, SL, 11.5 × 4.5 mm Diphucrania duodecimmaculata, PL3774A, female, on Allocasuarina verticillata, SL, 11.5 × 4.5 mm Diphucrania duodecimmaculata, PL4313, on Allocasuarina muelleriana ssp. muelleriana, EP, 9.6 × 3.6 mm Diphucrania duodecimmaculata, PL4313, on Allocasuarina muelleriana ssp. muelleriana, EP, 9.6 × 3.6 mm
Actual
size¹:
9.8 mm
×
3.7 mm
Measurements (mm)
malefemale
L19.5
8.35 – 10.3
n = 1410.6
9.4 – 11.5
n = 5
L29.3
8.25 – 10.2
n = 810.7
9.3 – 11.4
n = 3
W3.6
3.1 – 4.05
n = 144.1
3.6 – 4.5
n = 5
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:  EPNLMUYPSLKISE
Australian States:  WASAVICNSWQLD
Southern South Australia distribution
LegendP.J.Lang collection vouchered records
other private collection or museum specimens, or sightings
Satellite map
Terrain map
Enlarge map
Adult activity records for Diphucrania duodecimmaculata  (total of 123 beetles)
4 1
1 1 5
11 4 19 52
6 2 6 5
3 2
1
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Legend
live emerged adults, count > median value of 4 per quarter month
live emerged adults, count <= median value of 4
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
Xanthorrhoea semiplana ssp. tateana392KIX
Allocasuarina verticillata255NL, MU, SLC
Allocasuarina muelleriana ssp. muelleriana1611EP, MU, SEC
Xanthorrhoea semiplana ssp. semiplana127MU, SLX
Xanthorrhoea sp.103SL, KIX
Allocasuarina sp.31SLC
Casuarinaceae sp.31EPC
Hakea sp.31KIP
Xanthorrhoea semiplana ssp.11EPX
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 family
Code beetles % host plant taxa
X Xanthorrhoeaceae 61 55% 2
C Casuarinaceae 47 42% 2
P Proteaceae 3 3% 1
Position on adult host
positionbeetlessites
on flower(s)31
on flowering plant22
on foliage or non-flowering plant5320
on plant (unspecified)548
Host plant notes

It is intriguing that this species is found almost exclusively on the foliage of two very structurally different and unrelated host plant genera: Allocasuarina and Xanthorrhoea.

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.