412 
Mi\Rowland E. Turner on 
more than twice as broad at the apex as at the base, shining, with a 
sulcus from the base to the middle. Hypopygium produced into an 
apical spine, with a very short spine on each side near the base; 
claspers rather broad at the base, narrowly produced and pointed at 
the apex. 
Black ; mandibles, clypeus, margins of the eyes broadly, narrowly 
interrupted on the summit by a ferruginous line, and continued 
across the vertex, the margins of the pronotum, a quadrate spot on 
the mesonotum, a spot on the scutellum, the tegulae, a broad band on 
the mesopleurae in front and a spot before tlie intermediate coxae, a 
spot in the middle of the median segment and a curved band on each 
side, a spot on each side near the apex of abdominal segments 1-5, 
the coxae and a line on the femora and tibiae bright yellow; an 
oblique line on each side on the vertex, a round spot on the yelhjw 
band behind the eyes, the abdomen and the legs ferruginous. Wings 
hyaline, slightly iridescent, nervures fuscous, stigma pale testaceous 
brown. The second abscissa of the radius is equal in length to the 
third, the tirst recurrent nervure is received at two-thirds from the 
base of the second cubital cell, the second at one quarter from the 
base of the third cubital cell. Length 6 mm. 
$. Clypeus short, with a carina. Head smooth and shining, 
almost semicircular, not quite twice as broad anteriorly as long, very 
slightly convex, the front concave on each side above the base of the 
antennae, the concave spaces much broader than long. Eyes small, 
situated close to the base of the mandibles ; antennae no longer than 
the anterior breadth of the head. Thorax and median segment 
smooth and shining, the pronotum much narrower than the head, 
nearly twice as broad as long, the anterior angles produced acutely, 
an indistinct longitudinal carina in the middle, the sides almost 
parallel; scutellum much broader than long, rounded posteriorly; 
median segment shorter than the pronotum, obliquely truncate 
posteriorly, produced anteriorly into a pointed tubercle. Abdomen 
smooth with a few scattered punctures, the segments broadly de¬ 
pressed at the apex, the raised portion before the depression strongly 
bilobed, second segment with two transverse carinae in addition to 
the raised apical margin. Fifth ventral segment almost smooth. 
Pygidium deflexed, narrow, lanceolate, very slightly widened and 
rounded at the apex. 
Light castaneous brown, the abdominal segments pale luteous on 
the sides and apical margins. Length 3 mm. 
Hob. Queensland, Cairns. 
A variety of the male has the abdomen black with 
yellow markings and the segments more or less fusco- 
