310 MEMOIRS OF THE QUEENSLAND MUSEUM. 
AUSTRALIAN 
HYMENOPTERA CHALCIDOIDEA—xXIIL.* 
The Family Agaonide with Descriptions of Four New Genera, Six New Species, 
and One New Variety. 
By A. A. GIRAULT: 
Famiry AGAONID A. 
SuspraMity AGAONINA. 
Genus BLASTOPHAGA Gravenhorst. 
1. BLASTOPHAGA INSULARIS new species. Female. 
Length, 1.40 mm., exclusive of ovipositor. 
This species runs to Idarnes Walker of the Idarninz but the scutellum without grooved 
lines, subquadrate and flat but the lateral margins carinated, concave and the others concave 
to some extent; axille very widely separated. Parapsidal furrows complete, narrow. Post- 
marginal vein about the length of the long and slender stigmal which runs nearly directly 
caudad. Exserted part of the ovipositor a little longer than the abdomen. Mandibles. 
bidentate; antenne 11-jointed, without a ring-joint, the third joint prolonged into a submem- 
braneous sheath, acute at tip, which surrounds the second funicle joint which is shortest yet 
longer than wide and subequal to the first which appears to be membraneous. Seape dilated, 
beneath with a tubercle-like tooth at proximal third. Joints of antennze beyond the second with 
numerous, flattened glume-like setee which project beyond the apex of each. Fore and hind 
legs swollen. Head quadrate. Middle club joint shortest, much wider than long, club 3 longest, 
somewhat longer than wide, with a minute terminal nipple. 
Brown, the wings hyaline, the legs concolorous except the tarsi which are yellow; 
funicle and club black, the scape (also pedicel) yellowish brown. Fore and hind tibize very 
short, much shorter than their femora or tarsi. 
Habitat: Thursday Island, Torres Strait, Queensland. Forest, March 12, 1912. 
Type: No. Hy 8361, Queensland Museum, Brisbane, the female on a slide. 
GeNus PLEISTODONTES Saunders. 
This genus is characterised by the very long head which is two and a half times longer 
than wide. Head oblong, or very long, from two and a half to three times as long as wide, 
the facial channel narrow; mandibles at apex bidentate; antenne 11-jointed; the first funicle 
joint with a distinet process; marginal, stigmal and postmarginal veins fully developed. 
In the male the thorax is trapezoidal in outline; the antenne 6-jointed with three ring- 
joints; the cephalie tarsi 5-jointed. Body somewhat narrow. The cephalic tarsus not reposing 
in a suleus at the tip of the front tibia. Basal part of antenne not enclosed in a canal. 
* Contribution No. 36, Entomological Laboratory, Bureau of Sugar Experiment Stations, 
Bundaberg, Queensland. 
