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in one specimen the fourth is fully as lon^^ as the third; posterior 

 cross-vein obhque. its upper extremity about opposite the apex 

 of the first longitudinal. Leg's, except the coxae, nearly uniform- 

 ly clear yellow. 



Abdomen black, bare and shining in the male, and more or 

 less aeneous, the first segment with more or less distinct tomen- 

 tuni; in 'the female more tomentose, especially the first two seg- 

 ments, and sometimes hardly aeneous; basal segment with a 

 short lateral line of a few black bristles. Length 2-3.25 mm. 

 (PI. V, fig. 8.) 



HAB. Cairns district and Bundaberg; bred from a Liburnia. 



21. P. hctcrostigmns, sp. nov. 



Head" with the front and face in the male with whitish tomen- 

 tum; in the female the tomentum between the ocelli and anten- 

 nae is divided by a shining and bare, black carina; face beneath 

 the antennae extremely narrow; head posteriorly with fuscous 

 tomentum becoming whitish towards the sides. Antennae with 

 the apical joint somewhat pointed at the tip, 'but not sharp, nor 

 produced, yellow in the female, sordid or pitchy in the male. 



Thorax with fuscous tomentum in the male, greyish or whit- 

 ish fuscous in the female; on the metathorax with dense white 

 covering. Halteres yellow, dark at the base. Wings with dark 

 neuration, stigma yellowish brown, and enclosed on the basal 

 side by a strong cross-vein third costal segment considerably 

 longer than the fourth, posterior cross-vein before the apex of 

 the second longitudinal. Legs for the most part yellowish in 

 the female, but the femora are largely darkened above and 'at 

 the sides; in the male the legs are altogether darker, the tro- 

 chanters, knee-joints and tarsi mostly yellowish, the tibiae for 

 some part more brown. 



Abdomen sparingly tomentose, and without p'attern; on the 

 basal segments more or less pallid, brownish or yellowish, but 

 darker posteriorly the apex being blackish; basal segment with 

 two or three bristles on each side. Length a'bout 2 mm. (PI. V, 

 fig. 10.) 



HAB. Redlynch and Kuranda near Cairns. A single male 

 and female in each case, taken from boughs of trees, so that it 

 probably attacks arboreal leaf-hoppers. 



I 



