BY ARTHUR WHITE. 55 



Table of the Tasmania » Species of Parapsilocepliala. 



Femora pale orange ; wings in female hyaline. 



Elegans, Krober. 

 Femora black ; wings in female with two black 

 bands. Bifasciata, Sp. nov. 



Parapsilocephala elegans, Krober. 



Antennae with the third joint twice the length of the 

 first and second together, eyes narrowly separated in male, 

 widely in female; thorax greyish-black, with two or three 

 indistinct grey stripes ; abdomen brownish-black, the sides 

 orange in the male, segmentations white ; legs pale orange, 

 with apices of tibiae, apical third of first tarsal joint, and 

 all the remaining tarsal joints, black : wings hyaline, veins 

 light. 



Length. Male, 5-6 mm. ; female, 6.5 mm. 



Hab. Bagdad Valley, Brighton (also in New South 

 Wales, Victoria, and South Australia). 



Male. Face white;. front shining black, with a small 

 arch directly above the antennae. Proboscis and palpi 

 orange, both concealed within the mouth aperture. Anten- 

 nae (in Tasmanian specimens) dark orange; the first and 

 second joints small, the first about twice as long as the 

 second, the third much enlarged, about twice the length 

 of the first and second together. Eyes narrowly sepa- 

 rated. Thorax greyish-black, with three grey stripes or 

 traces of them, the two outer ones being the most dis- 

 tinct; there are two pairs of prescutellar bristles; scu- 

 tellum shining black, with two terminal black bristles. 

 Abdomen brownish-black, with the sides orange, the 

 amount of orange being subject to considerable variation, 

 the whole bearing short, white, depressed pubescence ; 

 second to fourth segments with a white hindmargin, that 

 of the fourth being very narrow ; genitalia large, orange. 

 Legs pale orange, knees brown; apex of tibiae, apical third 

 of first joint of tarsi, and all the remaining tarsal joints, 

 black. Wings small, hyaline, mediastinal, subcostal, and 

 radial veins yellow, remaining veins pale brown. 



Female has abdomen considerably longer than the male, 

 which makes the wings appear remarkably small and 

 short ; the eyes are widely separated, the front black and 

 shining ; abdomen brown at base, becoming gradually 

 black towards the apex, and only mere traces of the orange 

 side margins of the male are visible ; legs and wings as 

 in the male. 



This species is easily distinguished from P. bifasciata 

 by the larger antennae, and orange instead of black femora, 



