550 Dr. C. P. Alexander on 



band across the wing along the cord, extending from the 

 end of vein Sc to the end of Cwg ; outer end of cell \st Mj 

 similaj'ly seamed; wing-tip broadly darkened; a similar 

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

 Sc very long, Sc^ 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 R^ ; cell 1^^ 

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

 fork of M ; Cwg from two-thirds to four-fifths of the basal 

 deflection of Cui ; anal veins strongly curved proxiniad 

 at tips. 



Abdominal tergites dark brownish black ; sternites black, 

 the segments ringed caudally with yellowish or greyish ; 

 hypiipyginra dark. 



Hah. North Queensland. 



Hoiotype, (J, Gordonvale, Cairns District, January 1921 

 {A. P. hodd). 



Paratopofypes, 4 J (^ . 



" On fungus in scrub. '^ 



Dicranomyia opima belongs to the peculiar group of the 

 genus typified by the West African D. recedens, Alex., and 

 D. recurvans, Alex., and the Sumatran D. trigonia (Edw.), 

 The collector's notes would suggest that the larvae might be 

 found in fungi. 



Limnobia emacerata, sp. n. 



General coloration yellow ; thoracic pleura with a con- 

 spit uous, longitudinal, brown stripe; legs brownish yellow 

 throughout; 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. — Length 5 mm. ; wing 6'3 mm. 



Rostium and palpi yellow. Antennse dark brown through- 

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

 male large. 



Mesonotal prgescutum yellow, the median area behind a 

 little darkened ; scutum yellow, the scutal lobes suffused 

 with brown ; remainder of mesonotum yellow. Pleui*a 

 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, 



