78 



The genus is characterized by the antennal structure. 

 Later one male and six females were found in the same col- 

 lection bearing the same label and "Bred from wood." In the 

 male, the distal funicle- joint has not the long projection. 



Platygerrhus, Thomson. 



Platygerrhus australiensis, new sp. 



9 . Bright metallic-green, with seneous tinges (especially 

 axillae, centres of scutum and scutellum), polygonally punc- 

 tate, the propodeum smooth and shining with a strong median 

 carina and more or less bluish ; the spiracle round, a line of 

 foveas leading from its top mesad. Forewings hyaline, but 

 with, a distinct fuscous or smoky loop curving from the base of 

 the marginal vein convexly to the stigmal vein, and when 

 curving up to the latter suffusing indistinctly across to the 

 costal margin in the form of a branch. Legs and tegulae 

 fuscous; also the scape. Postmarginal vein very long, nearly 

 as long as the marginal. Antennal club solid, long, acumin- 

 ately truncate from one side, the first funicle- joint narrower 

 than the others, the second longest but Hot as long by far as 

 the long pedicel, which is subequal to the club ; no real ring- 

 joint; 11 joints. Eyes, head, and thorax pilose. Posterior 

 tarsi white, their tibiae whitish at tips. Length, 4*10 mm. 

 (S . Not known. 



Described from a single female labelled "Bred from 

 wood." 



Hab. — Tasmania: Hobart (A. M. Lea). 



Type. — I. 1252, South Australian Museum. The above 

 specimen and a slide with antenna and posterior tibia. 



Platygerrhus annulicornis, new sp. 



9 . Dark metallic-green and punctate, the wings hyaline, 

 the coxae concolorous except at tips, the legs brownish-yellow ; 

 antennae black, just before tip encircled by a broad ring of 

 yellowish- white (distal three funicle- joints) ; stigmal vein 

 shorter than usual. Second funicle- joint nearly as long as the 

 pedicel, the club oval ; all funicle- joints longer than wide. 

 Length, 5 '20 mm. 



(S . Not known. 



From one female labelled "Bred from wood." 



Hab. — Tasmania: Hobart (A. M. Lea). 



Type. — I. 1253, South Australian Museum. The above 

 specimen ; a slide bearing posterior leg and antenna (also the 

 head of a male Aplatygerrhus magnificus). 



