347 



fail anteriorly, and the abdominal segments are a little 

 different, 3 being as long as 2 and distinctly longer than 4, 

 4-7 subequal in length. 



Dark metallic-green, the coxae concolorous, the legs 

 otherwise golden-yellow, the femora and tibiae sometimes 

 somewhat darker; antennae, the scape yellow. 



Head, dorsal aspect, transverse, a little wider than the 

 thorax ; viewed from in front scarcely wider than long ; vertex 

 and frons with dense coarse raised reticulation, near mouth 

 border with fine converging striae; mandibles 3- and 4-dentate, 

 the teeth acute. Scutum and scutellum coarsely reticulate- 

 punctate; parapsidal furrows delicate, one-half complete from 

 anteriorly; scutellum large, simple; propodeum densely 

 reticulate-punctate, without a median carina or spiracular 

 sulci, but there is a circular fovea present against anterior 

 margin between the spiracle and the mecon, the propodeum 

 long, with a distinct neck. Petiole short, much shorter than 

 the posterior coxae; body of abdomen convex above, gently so 

 beneath ; acute at apex ; a little wider but no longer than the 

 thorax. Forewings ample; hyaline; postmarginal vein twice 

 as long as the rather long stigmal, slightly shorter than the 

 marginal. Antennae inserted in middle of face, 13-jointed, 

 with three ring and three club joints; scape long and slender; 

 pedicel somewhat shorter than funicle 1, which is about as 

 long as 4, 2 and 3 a little longer, barely twice as long as wide, 

 5 a little shorter than 4 ; club with a terminal nipple, joints 

 1 and 2 subequal in length, 3 a little shorter; ring joints 

 transverse, the first smallest. 



d . Length, 1*65 mm. Abdomen short, distinctly shorter 

 than the thorax, yellowish for basal half except around 

 margin. Antennae with two ring, seven funicle, and two club 

 joints; scape dusky-yellow for basal half, rest of antennae 

 black; pedicel short, obeonique ; funicle joints long and 

 slender, pubescent, joint 1 a little the longest; club somewhat 

 longer than funicle 1, club joint 1 longer than 2. 



Hab. — Queensland: Cairns district (a large series bred 

 from the bean-fly, Agromyza phaseoli, in stems of cow-pea, 

 August, 1915, A. P.'Dodd). 



Types. — Two females, one male, on a tag, female head 

 and antennae on a slide. 



Trigonogastra agromyzae, n. sp. 



9 . Length, 1*75 mm. Dark metallic-green, the coxae 

 concolorous ; rest of legs golden-yellow, also the antennal 

 scape. 



Head, dorsal aspect, transverse, a little wider than the 

 thorax ; viewed from in front, distinctly wider than long 



