vin. 
ANNALES MUSEI NATIONALIS HUNG ALICI. 
1910. 
NEW SPECIES OF THYNNIDAE 
FROM THE AUSTRALIAN AND AU STRO - AI AL A YAN REGIONS 
IN THE COLLECTION OF THE HUNGARIAN NATIONAL MUSEUM. 
By Rowland E. Turner. 
Rhagigaster depraedator sp. nov. 
5 . Head rectangular, distinctly longer than broad, shining and 
very sparsely punctured, a small space above the base of the antennæ 
coarsely punctured with the punctures confluent longitudinally ; a short, 
longitudinal, frontal sulcus and a sulcus on each side reaching from 
the inner margin of the eye to the posterior margin of the head, these 
lateral sulci are very slightly convergent posteriorly. Mandibles very 
feebly notched on the inner margin before the apex, forming a very 
short and blunt tooth. Thorax shining and very sparsely punctured; 
the pronotum longer than broad, strongly narrowed anteriorly and 
much narrower than the head; scutellum rectangular, nearly three times 
as broad as long, the mesopleuræ closely punctured and showing a 
distinct dorsal surface. Median segment rather shorter than the prono¬ 
tum, oblique and slightly concave posteriorly, shining and sparsely 
punctured at the base, the oblique area closely punctured. Abdomen 
subcylindrical, only a little broader than the thorax, shining and sparsely 
punctured, most sparsely on the two basal segments, the first ventral 
segment with a minute tubercle at the base, the pygidium deflexed, 
triangular, pointed at the apex, with a tuft of coarse fulvous hairs on 
each side. The first ventral segment is triangular and finely rugulose, 
the remaining ventral segments sparsely punctured, the head coarsely 
punctured beneath. 
Black; the mandibles, except at the extreme apex, the scape, the 
basal joints of the flagellum the apex of the pygidium and the legs 
ferruginous. 
Length 11 mm. 
Hab. Cooktown, Queensland. 
Type in Hungarian National Museum. 
This is nearly allied to R. approximatus Turn, from Cairns, but 
differs markedly in the form of the pygidium and pronotum. From 
