108 



tridentate. Parapsidal furrows completej the scutuin with 

 thimble punctures ; scutellum longer than usual and with a 

 transverse suture before tip ; metathorax and propodeum very 

 short, without carinae, excepting what appears to be a weak 

 paired median one, the latero-caudal angles longer and obtusely 

 pointed; no sulci. Abdomen ovate, as long as the thorax, 

 carinated beneath. Head somewhat wider than long. Mar- 

 ginal vein short, about twice the length of the moderate stigmal, 

 which is somewhat longer than the postmarginal or else sub- 

 equal to it. Second abdominal segment about a third the- 

 length of the abdomen. 



(S . Not known. 



Type. — The following species. 



Amu sc IDEA ni gripes, new sp. 



9 . Dark metallic-greenish, with aeneous tinges ; four 

 proximal tarsal joints yellowish-white. Wings hyaline; vena- 

 tion dusky, the submarginal vein interrupted just before 

 uniting with the marginal. Antennae nearly black. Tip of 

 scutellum bluish. Polygonally reticulated or scaly. Funicle- 

 joints all longer than wide, but the first scarcely shorter than 

 the short pedicel ; club wider. Tibial spur of posterior legs 

 longer than the proximal tarsal joint, which, however, is not 

 very long, only moderate for a tarsal joint. Scape longer than 

 the club. Teeth of mandibles about equal, distinct. Length, 

 1*50 mm. 



Hah. — Queensland: Mount Tambourine (A. M. Lea). 



Type. — I. 1347, South Australian Museum. One specimen 

 on a card and the head and posterior legs on a slide. 



TETRASTICHINI. 



Tetrastichella, new gen. 



$ . Resembling closely Tetrastichus, Haliday, but there 

 are three ring- joints and only two club- joints, the antennae 

 10-jointed. Forewings infuscated, the postmarginal vein dis- 

 tinctly present but not half the length of the stigmaL 

 Mandibles tridentate. 



S . Not known. 



Type. — The following species. 



Tetrastichella fuscipennis, new sp. 

 9 . Metallic-green, bluish ventrad and along sides of 

 abdomen ; the legs bluish, the coxae pale at base, the femora 

 beneath ; the tarsi pale. Antennae dusky. With the usual 

 sculpture of species of Tetrastichus. Scutum laterad and 

 caudad narrowly margined with yellow ; also the scutellum 



