398 Mr. R. BE. Turner on new 
XXXVIIIl.—New Australian Diplopterous Hymenoptera. 
By Rowxanp #. Turner, F.Z.S., FES. 
Paralastor aterrimus, sp. n. 
3g. Niger; clypeo apice anguste, fronte interantennali, scapoque 
subtus flavis; tarsis fusco-brunneis; alis hyalinis, anticis, pra- 
cipue area costali, infuscatis; venis nigris; clypeo apice sub- 
truncato ; sternito secundo basi elevato-tuberculato. 
Long. 10 mm. 
gd. Clypeus closely microscopically punctured, with 
larger scattered punctures, with very delicate close-lying 
pubescence at the base, the apex subtruncate, scarcely emar- 
ginate. Front coarsely and rather closely punctured, vertex 
coarsely punctured-rugose. Thorax and median segment 
coarsely punctured-rugose ; tegulz very coarsely punctured. 
First tergite very coarsely punctured, second much more finely 
and sparsely punctured ; the apical margins of tergites 3-6 
narrowly fuscous brown. Second sternite shining, rather 
strongly, but not very closely punctured, raised and sub- 
tuberculate at the base. The first abdominal segment is 
broad. Antenne, as in all males of the genus, with only 
eight well-developed joints, the joints beyond the eighth 
minute and concealed. 
Hab. Townsville, Queensland (Dodd). 
Paralastor diabolicus, sp. n. 
3. Niger; clypeo apice late maculaque magna basali, fronte 
interantennali scapoque subtus flavis; tarsis articulo apicali 
luteo; alis hyalinis, anticis dimidio costali fortiter infuscatis, 
venis nigris; clypeo apice late emarginato; sternito secundo 
basi fortiter elevato-tuberculato. 
Long. 11 mm. 
&. Clypeus closely micro<copically punctured, with 
sparse larger punctures intermingled, the apex widely, but 
not very deeply emarginate. Head coarsely punctured, 
rather more sparsely on the front ‘than on the vertex; a 
low arched carina above the anterior ocellus. Thorax and 
tegulz very coarsely punctured ; median segment punctured- 
rugose. First tergite broad, very coarsely punctured ; 
second much more finely punctured, shining between the 
punctures ; second sternite very strongly raised and bluntly 
