296 P. CAMERON, HYMENOPTERA OF THE DUTCH EXPEDITION 
are broadly rounded and covered with longish white pubescence 
First abdominal segment clearly petiolated at the base, beco- 
ming gradually widened towards the apex, smooth and shining. 
The hind tibiae are curved, twisted inwardly at the base. 
The undernoted species is in the collection of the Natura 
Artis Magistra, Amsterdam without a locality label. It is 
probably Malay or Australian where red is common with the 
Odynerine. 
Odynerus (Symmorphus) Meijereanus sp. nov. 
Black, the underside of scape, the clypeus to shortly below 
the middle and farther down along the sides, a small trian- 
gular mark on the base of the mandibles, a transverse one 
over the antennæ, two lines, almost united and dilated back- 
wards in the middle, the dilated part being gradually narrowed, 
on the pronotum, the 15 abdominal segment from the trans- 
verse keel to the apex, except for a large irregular black mark 
in the middle at the base, a broad band, roundly dilated back- 
wards, on the sides of the middle, the dilated parts reaching 
almost to the middle of the segment, a narrow, distinct line 
on the apex of the 3" and. a narrower, less distinct one, not 
reaching to the outer edges, reddish orange. Wings uniformely © 
fuscous violaceous, the nervures and stigma black. 9. 
Length to end of 2"! abdominal segment 12 m.m. 
Stout, robust, more like a Rhynchium than an Odynerus. 
Upper part of head closely and strongly punctured. Clypeus 
large, rounded above, the apex broad, almost transverse. Thorax 
strongly, rugosely punctured, except on the basal slope, which 
is smooth and sbining and on the apical slope, which is 
obscurely, sparsely punctured and deeply furrowed down the 
middle. The apex of the metanotum has a steep slope; its 
sides are margined as is also the top; the sides roundly, 
slightly projecting in the middle. The basal slope of the abdo- 
men is shining, irregularly punctured, ridged round the edges ; 
