5G6 Dr. C. P. Alexander on 



cell 1st Mo eloiiGcate, -wiflened distally, a little longer than 

 vein 3/3 beyond it ; basal deflection of Cui at three-fifths 

 the lenjjth of cell 1^^ M.2, only a little shorter than Cwj. 



Abdomen dark brownish black, the tergites a little paler 

 laterally. Ovipositor with the valves long and slender, 

 acitnilar. 



Hab. New Zealand (South Island). 



Holotype. ? , Ben Lomond, Otago, altitude 4000 feet, 

 January 2, 1922 (G. ^OM;es). 



The generic reference of this unique fly is provisional 

 only. Certain features of its organization point to Xipho- 

 limnobia, Alex., of the Ethiopian and Oriental regions. 



Limnophila obliquata, sp. n. 



General coloration yellow; mesonotal praescutum with 

 four dark brown stripes; postnotum with two large dark 

 brown spots on posterior margin ; pleura marked with dark 

 brown ; femora yellow with two narrow dark brown rings ; 

 wings tinged with yellow, with a heavy brown non-ocellate 

 pattern; cell 1st Mo small; basal deflection of Cux very long 

 and oblique, its origin before the level of the fork of M, its 

 apex near the distal end of cell 1^^ M^ ; abdomen yellow, 

 the lateral margins of the segments with small black dots. 



Female. — Length 15*5 mm. ; wing 13 mm. 



Described from an alcoholic specimen. 



Rostrum obscure yellow ; palpi brown. Antennfe with 

 the scape and basal flagellar segment yellow ; remainder of 

 the flagellar segments indistinctly bicolorous, the basal half 

 than the apex ; flagellar segments elongate. Head pale 

 brown. 



Pronotum yellow. Propleura with a dark brown spot. 

 jNlesonotum yellow, the praescutum with four brown stripes, 

 the intermediate pair subcontiguous, broadly obsolete ante- 

 riorly ; lateral margins of the praescutum infuscated ; scutum 

 yellow ; the centre of each lobe conspicuously dark brown ; 

 scutellum pale yellow ; postnotum brownish yellow, the 

 posterior margin with two large, rounded, dark brown spots 

 that are narrowly margined with obscure yellow. Pleura 

 yellow; a conspicuous brown spot on the mesepisternum and 

 another on the sides of the mesosternum between the fore 

 and middle coxae. Halteres elongate, brown, the knobs 

 yellow. Legs with the coxae and trochanters yellow; femora 

 brownish yellow basally, the distal half clearer yellow, with 

 two narrow, dark brown, subterminal rings, the distal ring 

 about one-half as wide as the basal ring : tibiae yellowish 



