254 Records of the S.A. Museum 



PTILOGYNA Westwood, 1835, 

 PTILOGYNA MINIMA sp. nov. 



Size small (wing of male 12 mm.) ; head and thorax light yellow; wings pale 

 brown, the base and costal margin more saturated ; abdomen yellow, the tergites 

 trivittate with brownish-black. 



G Length, 18-2 mm.; wing, 12 mm.; antenna, o-H mm. $ Length, 14-5 

 mm.; Aving, 11-3 mm. 



Frontal prolongation of the head rather short, light yellow, infuscated 

 laterally and beneath; palpi dark brown. Antennae yellow, the long branches 

 dark brown. Head yellow, duller on the posterior portions of the vertex. Meso- 

 notum dull yellow, the praescntum slightly darker medially. Pleura yellow. 

 Halteres light brown, the knobs dark brown. Legs with the coxae and tro- 

 chanters obsc ur'^ yellow; remainder of the legs brown, the femora paler basally. 

 Wings with a pale brownish tinge, the base and costal margin more saturated ; 

 no distinct whitish spots as in P. rdmicomh (Walker). A' en at ion : Third section 

 of vein MI+2 longer than the second section (Mi+'- plus R*+^) ; R-+2 about 

 twice R-; veins dark brown. Abdomen yellow, the tergites with a broad dark 

 brownish-black median stripe; lateral margins narrowly dark brown; sternites 

 broA\Taish-yellow. 



Ilah. Northern Territory: Melville Island (W. D. Dodd). Type, I. 12168. 



This tiny Ptilo<jyna is abundantly distinct from the widely distributed 

 P. ra))}ieornh (Walker). 



PHACELODOCERA Enderlein, 1912. 



The genus Phacelodocera was based on PtiUxjijna flaheUiffrd Loew, of Brazil. 

 In this group the antennae are very similar to those of Ptilof/yna, but the details 

 of venation are almost exactly as in Phisio}nyia, r-m and the |>etiole of cell M^ 

 being present. The species here described is the second of the genus to be made 

 known. 



PHACELODOCERA TASMANIENSIS sp. nov. 



Antennae with long flabellations; wings with a heavy brown pattern, streaked 

 with hyaline; r-m and the petiole of cell M present; abdomen reddish, grey 

 pruinose, the lateral margins blackish. 



$ Length, about 28 mm.: wing, 25 mm.: antenna, about 10 mm.; abdomen 

 alone, 18-5 mm. Fore leg, femur, 14-7 mm.; tibia, 16-5 mm.; hind leg, femur, 

 ir)-8 mm.; tibia, 16-6 mm. 



Frontal prolongation of the head long and slender, about as long as the 

 remainder of the head, reddish, the dorsal half brown ; mouth parts dark brown, 



