234 Annals Entomological Society of America [Vol. XV, 



vein; vein Cm narrowly seamed with dark brown Venation: 5ro much 

 longer than Sc\ ; r at tip of Ri; i?243 shorter than r-m; petiole of cell Mi 

 about two-thirds the cell; basal deflection of Cui just before midlength 

 of the cell. 



Abdomen shiny dark brown with conspicuous coppery and purple 

 reflections as in the cuprea group. Ovipositor with the valves gently 

 upcurved, reddish horn-color. 



Hab. New Zealand (North Island). Ilolotype, 9 , Ohakune, 

 altitude 2018 feet, February 15, 1920 {T. Harris). 



Gynoplistia splendens belongs to the cuprea group. The 

 unique type was submitted to Mr. Edwards who has kindly 

 compared it with related species in the British Museum. He 

 writes "Rather near tubercuJata Edw. and cuprea Hutton 

 but equally distinct from both." The collector states that this 

 fly mimics a Hymenopterous insect, determined by the British 

 Museum authorities as Prionocnemis wakefieldi Kirby. 



Macromastix flavoscapus s\). n. 



General coloration light yellow, including the frontal pro- 

 longation of the head and the first scapal segment; mesonotal 

 prasscutum with three brow^nish black stripes, the median 

 stripe ending near midlength of the sclerite; each scutal lobe 

 with two brownish black spots; a small spot on each side of 

 scutellum; pleura yellow, in some cases with a small spot 

 above the fore coxa and middle coxa; wings subhyaline, the 

 costal region and stigma brownish black; wing-tip narrowly 

 darkened; abdomen yellow, the tergites with three narrow 

 black stripes. Male. — Length 12.5 mm. ; wing 18 mm. 



Fe?nale. — Length 12 mm.; wing 18.5 mm. 



Frontal prolongation of the head entirely light yellow, only the tip 

 of the slender nasus a little darkened; palpi black. Antennge short in 

 both sexes; first scapal segment entirely light yellow; remainder of 

 antennae black. Head light yellow, unmarked. 



Pronotum yellow, unmarked. Mesonotal prasscutum orange-yellow 

 with three brownish black stripes, the lateral stripes remote from the 

 median stripe, the latter tending to be evanescent behind, always indi- 

 cated on the anterior half of sclerite, replaced by deep orange posteriorly; 

 scutum yellow, each lobe with two black areas, the largest lying more 

 proximad and caudad; scutellum orange-yellow with a small black 

 spot on the caudal margin on either side of the median lobe; postnotum 

 orange-yellow. Pleura orange-yellow; in some cases a small black spot 

 above the fore and one above the mid-coxa. Halteres brown, the 

 extreme base of the stem yellow, the knobs darker brown. Legs with 



