1 1 6 
Psyche 
[December 
523-530). I have specimens of all the 16 full species named in this 
key except cyaneotinctus. 
1. 
2 . 
3 . 
4 - 
5 - 
6 . 
7 - 
8 . 
9 - 
10. 
11. 
Tentative key to Trichosternus of eastern 
Australia south of tropics 
Elytral intervals 3, 5, 7 with seta-bearing punctures (Mt. Royal 
Range and highest part of Dorrigo-Ebor plateau; 2 species?) 
australicus SI. 
Only 3rd interval (if any) with seta-bearing punctures on elytral 
disc 2 
Mesosternum setose anteriorly 3 
Mesosternum not setose anteriorly 7 
Male front tarsi not dilated, not squamulose 4 
Male front tarsi dilated, 3 segments squamulose below 5 
Alternate discal elytral intervals scarcely differentiated ; greenish 
(extreme SE. Q. & adjacent N. S. W. border) .... subvirens Chd. 
Alternate discal intervals slightly elevated ; black or nearly so, 
with cupreous or greenish margins (Bunya Mts., S. Q.) 
sim plicipes SI. 
Seventh elytral intervals sharply carinate at base ; prothorax rela- 
tively broad at base; length c. 22 mm. (extreme NE. N. S. W. 
and adjacent Q. border) angulosus Chd. 
Seventh intervals roundly costate at base 6 
Very large, c. 33-40 mm. (SE. Q. to Blackall and Bunya Mts. 
etc.) renardi Chd. 
Not so large, c. 25-32 mm. (N. S. W. S. to Dorrigo, Williams 
River, Booral, etc., and N. to Stanthorpe-Dalveen area, S.Q.) 
vigor si Gory 
Three supra-ocular setae each side 8 
Two supra-ocular setae each side 9 
Purplish (savannah woodlands of N. N. S. W. chiefly west of 
the rain forest zone) superbus Cast. 
Greenish (unknown to me; may be another savannah woodland 
species) cyaneotinctus Boisd. inch atroviridis SI. 
Additional lateral prothoracic setae present (savannah woodland 
and drier rain forest of S.Q., N. into edge of tropics; probably 
includes he cate Tsch.) cordatus Chd. 
Only usual 2 pairs lateral prothoracic setae present 10 
Very large, 34 mm. or more 1 1 
Smaller, 34 mm. (maximum size of cyaneus only) or less 12 
Prosternal process setose; black; length 37-42 mm. (extreme NE. 
N. S. W. and adjacent Q. border) perator Sh 
