female
6 metasomal segments visible dorsally.
mandible shape
robust, but relatively long
large size
body length 17mm
clypeus shape
protruberant but abruptly flattened in apical 2/3 as seen in lateral view
clypeus shape
protruberant but abruptly flattened in apical 2/3 as seen in lateral view
clypeus shape
flattened in apical 2/3, the flattened portion with strong punctures
vertex height
centre of vertex very slightly below eye tops (in full frontal view)
front basitarsus
- 7 amber pecten spines
- basitarsus relatively slender, with 4 large, black lobes
see Fig. 57 (Evans & Matthews, 1973)
front basitarsus
- 7 amber pecten spines
- basitarsus relatively slender, with 4 large, black lobes
scape colour
pale yellow, streaked black above
labrum & clypeus colour
labrum = cream
clypeus = cream, grading to yellow above, with oblique black marks basally (only rarely united to form a chevron … here they are narrowly separated)
frons colour
pale yellow with pair broad black stripes reaching antennal sockets
(broadly black across vertex & ocellar region)
pronotum colour
pale yellow, with thin black streaks laterally
scutellum & metanotum colour
black with transverse yellow marks (variable in shape & extent(
propodeum colour
black with yellow V-shaped mark dorsally
mesopleuron colour
yellow, with black along the sutures only
venter (ventral thorax) colour
black, with yellow anterior girdle
leg colour
yellow with black markings
metasomal dorsum colour pattern
T1-5 white, broken bands
T2 band with nearly-enclosed black spots
T6 black
metasomal colour patterning (lateral & ventral)
S1-S5 with yellow spots laterally
T1 with yellow spots laterally (not joined to the white dorsal bands)
(note the in this long-dead specimen the colour has faded, but the colour is clearly contrasts with the white of the dorsal bands)
mesoscutum pattern & punctation
black, with:
- yellow streaks laterally
- pair yellow discal marks
- transverse posterior spot (isolated from discal marks)
shining, densely covered with very small punctures