310 MEMOIRS OF THE QUEENSLAND MUSEUM. 



AUSTRALIAN 

 HYMENOPTERA CHALCIDOIDEA XIII.* 



The Family Agaonidas with Descriptions of Four New Genera, Six New Species, 



and One New Variety. 



By a. a. Girault. 



Family AGAONIDJE. 

 Subfamily AGAONIN^. 



Genus BLASTOPHAGA Graveuliorst. 



1. BLASTOPHAGA INSULARIS new species. Female. 



Length, 1.40 mm., exclusive of ovijiositor. 



Tbis species runs to Idariics Walker of the Iilaruin;u but the scutellum without grooved 

 lines, subcpiadrate and flat but the lateral margins carinafed, concave and the others concave 

 to some extent ; axillas very widely separated. Parapsidal furrows complete, narrow. Post- 

 marginal vein about the length of the long and .slender stigmal which runs nearly directly 

 caiidad. Exsertcd part of the ovipositor a little longer than the abdomen. Mandibles 

 bidentate; antenna' 11 -jointed, without a ring-joint, the third joint prolonged into a snbniem- 

 braneons sheath, acute at tip, which surrounds tlie second funicle joint which is shortest yet 

 longer than wide and subequal to tlie first which ajipears to be membraneous. Scape dilated, 

 beneath with a tubercle-like tooth at proximal third. Joints of antennas beyond the second with 

 numerous, flattened glume like seta' which project beyond the ajiex of eacli. Fore and hind 

 legs swollen. Head quadrate. Middle club joint shortest, nuu'h wider than long, club 3 longest, 

 somewhat longer than wide, with a minute terminal nipple. 



Brown, the wings hyaline, the legs concdhn'ous except Hie tarsi which are yellow; 

 funicle and club black, the scape (also jiedicel) yellowish hrowii. Fore and hind tibia^ very 

 short, much shorter than their femora or tarsi. 



Habitat: Thursday Island, Torres Strait, (Queensland. Forest, March 12, 1912. 



Type: No. Hy SStil. Queensland Mu.seum, Brisbane, the female on a slide. 



Genu-S PLEISTODOXTES S.iunders. 



This genus is characterised by the very long head which is two and a half times longer 

 tlian wide. Head oblong, or very long, from two and a half to three times as long as wide, 

 tlie facial channel narrow; mandibles at apex bidentate; antenna) 11 -jointed; the first funicle 

 joint with a distinct jirocess; marginal, stigmal and postmarginal veins fully developed. 



In the male the tlunax is trapesoidal in outline; the antenna; 6-jointed with three ring- 

 joints; the cejihalic tarsi .") jointed. Body somewhat narrow. The cephalic tarsus not reposing 

 \n a sulcus at the tip of the front tiliia. Basal jiart of antenna' not enclosed in a canal. 



* Contribution No. 36. Entomological Laboratory, Bureau of Sugar Experiment Stations, 

 Bundaberg, Queensland. 



