67 

 NEW Genera and Species of Chalcidoid hymenop- 



TERA IN THE SOUTH AUSTRALIAN MUSEUM. 



By A. A. GiEAULT. 



(Communicated by Mr. A. M. Lea.) 



[Read May 8, 1913.] 



The following genera and species were loaned to me for 

 study by the Public Museum of South Australia at Adelaide. 

 The specimens are returned to that institution. 



TETRASTICHINI. 



QuADRASTicHUS, uew gen. 



9 . Agreeing with Pentastichus, Ashmead, but the fore- 

 wings without long marginal fringes, the pedicel only as long 

 as the first funicle-joint, which is longer than wide, the two 

 other funicle-joints still longer and cylindrical, the flagellum 

 a little capitate, the antennae 8-jointed, with one very short, 

 obscure ring-joint, the club 2-jointed, and terminating in a 

 spinelike seta; scape long and slender. Marginal vein long 

 but shorter than the broken submarginal, the postmarginal 

 absent, the stigmal well developed, long. Wings hyaline. 

 Scutum with a median grooved line, the scutellura with four. 

 Abdomen depressed, ovate, the ovipositor not exserted. Parap- 

 sidal furrows complete. Both mandibles tridentate. 



d . Not known. 



Type. — The following species. 



QUADRASTICHUS NIGRTNOTATUS, Uew Sp. 



9 . Canary or golden-yellow spotted with dusky-black, as 

 follows : — Meson of pronotum, meson of scutum centrally 

 (divided along median line), outer lateral angle of pronotum, 

 apices of the much-advanced axillae (nearly opposite the black 

 in the meson of scutum), median line of propodeum rather 

 broadly, lateral apex of axillae, a transverse portion of the 

 propodeum just cephalad of each spiracle, base of abdomen 

 transversely (obscurely, more or less), and caudad three broken 

 stripes across the next segments, distinct only laterad (each 

 side). Venation and antennae pallid dusky-yellow, the legs 

 concolorous with the body, as are also the scape and pedicel 

 (except at base). Impunctate. Second funicle-joint longest, 

 the third next, distinctly longer than the first ; the club- joints 

 subequal.(i) Length, 1'25 mm. 



^i)The magnification of this and all the following species is 

 |-in. objective, 1-in. optic, Bausch and Lomb. 

 d2 



