550 Dr. C. P. Alexander on 



band across the wing along the corfl, extending from the 

 end of vein Sc to tlie end of Cu^; outer end of tiell 1*^ Mg 

 simikrly seamed; wing-tip broadly darkened; a similar 

 brown seam along vein Cu ; veins dark brown. Venation : 

 Sc very long, Sci ending beyond the fork of Rs, Sc2 at tip of 

 Sci ; Rs very strongly arcuated at origin ; r from one to one 

 and one-half times its length from the tip of Ri ; cell 1st 

 M2 relatively large, closed ; basal deflection of Cui at the 

 folk of M ; Cu2 from two-thirds to four-fifths of the basal 

 deflection of Cui ; anal veins strongly curved proximad 

 at tips. 



Abdominal tergites dark brownish black ; sternites black, 

 the segments ringed caudally with yellowish or greyish ; 

 hyp<ipygium dark. 



H(f/). North Queensland. 



Hu/otype, c? , Gordonvale, Cairns District, Jauuarv 1921 

 {A. P. Dodd). 



Farntopotypes, 4 J" cJ . 



"On fungus in scrub. '^ 



Dicranomyia opima belongs to the peculiar group of the 

 genus ty[)ificd by the West African D. recedens, Alex., and 

 T). recnrvnns, Alex., and the Sumatran D. tr'iyoma (Edw.). 

 Tite collector's notes would suggest that the larvse might be 

 found in fungi. 



Limnobia emacerata, sp. n. 



General coloration yellow ; thoracic pleura with a con- 

 spicuous, longitudinal, brown stripe; legs brownish yellow 

 tliroughout ; wings with a faint grey tinge, stigma sub- 

 circular, dark brown; abdominal segments yellow^, the apical 

 half of the tergites dark brown ; hypopygium yellowish. 



Male. — Lengtii 5 mm. ; wing 0*3 mm. 



Rostrum and palpi yellow. Antennae dark brown through- 

 out, flagellar segments oval. Head greyish brown ; eyes of 

 male large. 



Mesonotal prsescutum yellow, the median area behind a 

 little darkened ; scutum yellow, the scutal lobes suffused 

 with brown ; remainder of mesonotum yellow. Pleura 

 yellow with a conspicuous, brown, longitudinal stripe begin- 

 ning at the cervical sclerites, passing above the fore coxse and 

 beneath the halteres to the base of the abdomen. Halteres 

 pale, the base of the knob a little infuscated, the apices of 

 the knobs conspicuously yellow. Legs with the coxae and 

 trochanters yellow; remainder of the legs pale brownish 

 yellow. Wings with a Faint grey tinge ; stigma subcircular, 



