510 Mr. T. D. A. Cockerell — Descriptions and 



Euryglussa trident if rons, sp. n. 



£ . — Length nearly 5 mm. 



Head and thorax black and chrome-yellow, with a little 

 pale hair ; labrmn, mandibles (except reddish tips), whole 

 of face below antennas, very broad lateral face-marks (ending 

 above middle of front), a large frontal patch (continuous 

 with the supraclypeal area, sending a narrow pointed process 

 upward, and having large lateral processes curving over the 

 antennae), and the checks all bright yellow ; antennas rela- 

 tively short, like those of a female ; scape yellow ; flagellum 

 light ferruginous, a little dusky above ; front dullish, vertex 

 more shining; mesothorax black, not evidently punctured, 

 the margin and two longitudinal stripes yellow ; scutellum 

 black, with the posterior margin and sides, also the axillae, 

 yellow ; postscutellum black anteriorly, yellow posteriorly ; 

 metathorax black, reddish at sides, its base dullish, the 

 truncation shining ; prothorax and pleura yellow, marked 

 with black; tegulae pale reddish testaceous. Wings hyaline, 

 stigma and nervures pale reddish ; second s.m. longer than 

 high, receiving the second r.n. nearer its apex than the first 

 to its base. Legs yellow, the femora with dark streaks and 

 the hind tibiae somewhat dusky on outer side. Abdomen 

 dark reddish, the bases of the segments abruptly and broadly 

 pale red (only at sides on fourth), these basal bands possibly 

 yellow in life. 



Hub. " Nagambie, Victoria " (French; Froggatt, 194). 



A distinct little species, peculiar for the combination of 

 yellow markings on head and thorax and reddish abdomen. 

 The tririd or tridentate frontal mark is also distinctive. 



Euryylossa alboevneata, sp. n. 



$ . — Length a little over 5 mm. 



Very robust and compact ; head, thorax, and legs black, 

 with white markings ; abdomen with the hind margins of 

 the segments pallid ; head large and broad ; middle of face 

 and clypeus depressed, concave; clypeus very delicately 

 longitudinally striate, with a median impressed line; lateral 

 face-marks present, consisting of large white triangles, filling 

 space between clypeus and eye, and extending above to level 

 of antennae, the upper outer corner with a very small pro- 

 jection along the orbit ; flagellum short and stout, obscure 

 reddish beneath ; upper edge of prothorax narrowly (inter- 

 rupted in middle), tubercles (except a small spot), and a spot 

 on the reddish tegukc white; mesothorax broad, dull, so 



