CHALCID PARASITES OF AUSTRALIAN SHEEP MAGGOT-FLIES. 123 



the eyes is considerably wider than the width of eyes, and 

 the scutellum is not sculptured ; while the post -marginal vein 

 is very slightly shorter than stignial. 



Type specimens (allotype and holotype) deposited in the 

 Queensland Museum, Brisbane. Bred from various blowfly 

 pupse in Brisbane. 



Paraspilomicrus froggatti n. gen., n. sp. (Proctotrypoidea — 

 Family Diapriida^). (Figs. 4, 8, 18, 19.) 



Description of 31 ale. 



Length 1-7 mm. (excluding antennge) ; shining black. 



Head. — Length -34 mm. ; height -45 mm. ; breadth -37 

 mm. Frons not protruding in front of eye. Eye rather small, 

 bare, distant its own height from mouth ; depth less than half 

 the height of head. OceUi very prominent, as near to each 

 other as to eyes. Head smooth, sliiny black, without pattern, 

 with numerous short bristles. Antennae (fig. 18) inserted on a 

 marked prominence ; very long (I- 15 mm.), consisting of 

 thirteen joints ; scape -32 mm. long ; pedicel and next two 

 joints about equal (-08 mm.) ; remaining joints shorter, broader, 

 and rounded, last elongated and conical, the whole covered 

 with numerous rather short bristles. Palps long, brown, 

 terminal segments slightly longer than sub-terminal ; both 

 bearing six setae. 



TJiorax. — Length two and a half times the breadth. 

 Tegulse very prominent, forming large angular prominences at 

 sides. Pronotal neck short, with longitudinal shallow excava- 

 tions ; pronotum itself hardly visible from above. Scutum 

 smooth, shiny black, without any pattern ; parapsidal furrows 

 very prominent ; rather wider than long ; with a small number 

 of moderately long, brown rechnate bristles, developing into 

 a more pronounced growth laterally just behind pronotum. 

 Scutellum four-fifths length of scutum, with a hght growth of 

 hairs ; a pair of large square depressions on either side of 

 mid-line, just beliind scutum ; and a transverse row of nine 

 small rounded depressions crossing the scutellum two-thirds 

 the distance from anterior end. Behind these, a row of four 

 larger rectangular depressions. Epinotum \\\i\v a complete 

 median longituchnal carina ; with four irregular ridged de- 

 pressions laterally. Petiole with a complete median carina 

 and two pairs of longitudinal depressions on either side, more 



