42 On Five new Species of Australian Saw-flies. 
the base of coxe, femora (which are rather thickened), tips of 
tibiee, and tarsi black. 
Abdomen blue-black above, with a testaceous stripe on the 
hind border of the second segment; anal segment and under 
surface pale testaceous; base of segments beneath more or 
less blackish ; a row of small but conspicuous black dots on 
the sides beneath. 
Wings hyaline; fore wings much clouded with yellowish 
and thickly studded with hairs; nervures testaceous, costal 
oe and stigma broadly castaneous ; four submarginal 
cells. 
Allied to P. Jurinet, Westw., but rather more slender. In 
P. Jurinet the lower part of the face and the under surface of 
the abdomen are almost destitute of black markings. 
Cerealces cyathtformis. 
Long. corp. 10 millim. 
Male.—Black, varied with yellow ; head, thorax, and pectus 
covered with large depressed punctures ; head black, a groove 
running from the occiput outside each of the outer ocelli; eyes 
bordered before and behind with testaceous; antenne tawny, 
eleven- or twelve-jointed, the two basal joints darkest, 
sometimes nearly black; joints 3 to 8 broad, about twice 
as broad as long (joint 3 the longest) and cyathiform, 
being widely expanded at the extremity, which gives them a 
somewhat nodose appearance; the terminal joints more 
rounded at the extremity and the last rather small; a testa- 
ceous spot below and sometimes above each scape ; clypeus 
rather narrow, testaceous, slightly concave, and bordered with 
testaceous below; labrum black; jaws black or marked with 
red; prothorax with the hinder angles bordered with testa- 
ceous in front of the tegule, which are testaceous or pitchy ; 
mesothorax with a groove in front and two slight ridges on 
each side behind. Wings hyaline, with brown nervures, and 
set with numerous but scattered short bristles. Legs with the 
femora and coxee mostly black or striped with black (hind 
legs darkest) ; tips of coxe, trochanters, and base of femora 
white; four front tibie and tarsi testaceous; hind tibie and 
tarsi reddish, the former slightly brownish at the extremity ; 
scutellum black, grooved, laterally ridged, and narrowly edged 
behind with testaceous, and ending in a short testaceous spine 
on each side. Abdomen black, first segment with a whitish 
spot on each side; second with a waved testaceous stripe 
above, on the middle, interrupted on the median line; terminal 
segment tawny. 
