AUSTJiALIAX HYMENOrTEnA ClI ALCIVOIDEA. Xll.—GIRAVLT. 277 



SunFAMii.Y :\f()X()l)()NT().M KRINvT;. 

 ifKNi s DI.MKI.'d.MICRUS Crawford. 

 1. DIMEROMICRUS AUSTRALIENSIS Ciravilt. Kimalr. 

 Length, 2 iiiiii., exclu.rniy (i\ii;,isit(ir whi.-h is loiigrr than the abiloincn. 

 Brilliant shining nietallif a-neons greon wifli a hlnish tinge, the legs eonciiU)roiis 



excepting the knees, tibiiU and tarsi, nhich are 1 n yelhiu. Antenna- and valves of ovijiositor 



black; wings hyaline. Scajie nietallir; eluli verging to Inown. First fiuiicle joint variable, 

 usually smallest, all shorter than the (lediee]. .-Second ring.joint largest. Scnl|ptine as in 

 tyiJe species. Mandibles trideatate. 



Ealitcit: Lawson and Forest Reefs, New South Wales. 

 Ti/fM': I.J?9I, South Australian Mn-enni, Adelaiile. 



2. DIMEROMICRUS BREVIVENTRIS i:irault. Female. 



Length, l.L'.T mm. 



Like (iiist i-(ilii iisix hnt tlic tibia' also (-(jniMdorous, the ovipositor soriiewhaf shorter, sal. 

 equal to the abdcnnen in length; also the (irsi funiide joint is snbequal to the others, all sub- 

 trausversc. Hind femur beneath excised at apex tlio excision forming a false tooth or 

 small obtuse triangular piece at its proximal edge (not an isolated or true tooth). Thorax 

 reticulately scaly. Propodeum with a niediau carina, together with the .abdomen reticulated. 

 Scutelluni Hitli a trai-e of a transverse suture at extreme apex at niescni but this a])pea.rs to 

 be due to ju'essnre, the specimens have been in balsam (ni a slide. Otherwise agreeing with 

 aiiatraTiensis. 



Iliihihil : I'.risbane, Queensland. l''orest. .\pril Hi, 191:'. (II. Hacker). 



Til pi : Nil. lIiiS3f>i. Queenslaml Museum, firisbane. the female on a tag and a slide 

 bearing the a]ipendages. 



(iEXUs; AMONODONTOMFRI'S (lir.-iult. 

 Agreeing with Mininilontnnii rii.^i Westwood but the ribdonnai petiolate. the eyes naked, 

 the i»osteri(U" femora simpl(\ not swidlen nor with ti'etli. Smlelluni with :i cross furrow : 

 ovipositor not half the length of the abdiiuien; abdominal segments with their posterior 

 margins straight. Autenna; 12-jointed with onr lung nng-ioint. the club stout, 4 jointed. 

 Stigmal vein with a distinct neck, the postniarginal vein longer lliaii the marginal. .\iiteiina> 

 short and clavate, the funicle joints transMMs.'. 



1. AMONODONTOMERUS VIRIDIS Oirault. Female. (Imotype. 



Length. 2. .511 nun. 



Brilliant nu>tallic green, the antenna', the o\ipositor and the legs (excej)tiiig cox»>) 

 reddish lirown, the middle of the jiosterior femora sonii-times nufallic greenish; valves of 

 ovipositor black. Wings hyaline; the venation dusky. Head and thorax fincdy transversely 

 lined and with scattered pin-punctures, the latter arranged in about two transverse lines on 

 the pronotum. Abdomen smooth and shining but also with the punctures aenjss the cephali'' 

 portions of the segments. Petiole roughened. I'Inb sunken ami obli«|uely truncate along one 

 side. The measurement is exclusive of the oviposit(n-. 



nahilat: Port Lincoln, So\ith Australia. 



Tii/ii : No. /. 1391. South .\nstr.-ilian Museum. Adelaiile. 



(iEXt'.-; .MACKODONTOMEKUS Giraull. 



Like PUsio.sliiiiiiixIcx Ashmead but the pr itum uonn.il. not by far as long as the 



mesonotum; scutelluni without a cross-furrow: .-ibdonien produced veutrad at miildle, triangular 

 from lateral aspect. Otherwise the same. 



