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MEMOIRS OF THE QUEENSLAND MUSEUM. 
DIAGNOSIS OF THE AUSTRALIAN SPECIES OF TETRASTICRUS HALID AY. 
The species of Walker (1839) are omitted from the table for the reason that all we 
know of them is that they bear a median groove on the scutum; most probably* they belong 
to various genera. Walker described all of them in Cwrospilus Westwood — an elachertine 
genus which Westwood describes as bearing 7- jointed antenna) but which Ashmead changes to 
r 9-jointed with one ring-joint without giving reasons for so doing. Thus, if referred to the 
Tetrastichini they should have been placed more properly with Aprostocelus . It is hazardous, 
however, to consider them other than as most-probable tetrastiehine because of the thoracic 
grooves. To attempt to identify them without seeing their types would be the more hazardous. 
None of the following species are likely to be Walker's since the latter are mostly from 
'Tasmania. 
I. Metallic green. 
Abdomen normal, only slightly produced. 
Head and abdomen all concolorous; femora concolorous. 
Propodeal spiracle laterad of the lateral carina. 
Dark green, the coxae and femora concolorous; propodeum short, the 
antennal club without a terminal spur. laddi Girault. 
The same; propodeum long, the distal club joint spined at apex. 
miltagongensis Girault. 
Propodeal spiracle mesad of the lateral carina. queenslandensis Girault. 
Either the head or the abdomen partly yellowish; femora white. 
Dark aeneous green, the face beneath antennae straw T yellow; legs white, the 
hind coxa) blue; distal funicle joint a little longer than wide. 
flavios Girault. 
Brilliant metallic green, the legs the same; proximal third of abdomen orange 
yellow, the rest purple. saintpierrei Girault. 
Abdomen produced into a stylus. 
Dark green; funicle joints about twice longer than wide and more or less equal. 
poincarei Girault. 
II. Black or dark purple. 
Abdomen all black. 
Median groove of scutum and lateral margins of scutellum straw yellow; also the 
antennae, venation, knees, tarsi and portions of the tibia); joint 2 of funicle 
shortest, subquadrate. mctoriensis Girault. 
Abdomen partly or mostly yellow\ 
Head all black. 
Abdomen deep orange yellow, black at distal fourth and down each margin 
from base; legs colored like the abdomen (except coxae); antennae 
black; pedicel and funicle joints elongate; lateral carina leading 
directly from the spiracle. margiventris Girault. 
Abdomen lemon yellow, margined along each side from base to distal third 
with black and the extreme tip colored; legs except coxa, yellow; 
funicle joints not elongate. marginatus Girault. 
Head partly or mostly yellow. 
Face beneath antennae yellow; distal joint of funicle longer than wide; 
proximal third of abdomen lemon yellow, also the tegulae and legs; 
hind coxa black. ticolor Girault. 
