BY FREDERICK A. A. SKUSE. 
1137 
short. Second posterior cell small and wide open, its base situated 
far beyond the base of the second sub-marginal cell. Surface 
of the wing microscopically pubescent. Abdomen with six 
segments. 
Genus 33. Acxemia, Winn. 
Costal vein extending beyond the tip of the second longitudinal 
•vein. Auxiliary vein large, terminating in the costa, and united 
to the first longitudinal vein by the sub-costal cross-vein. Inner 
marginal cell shoit. Fork of the third longitudinal vein long, its 
petiole short. Anterior branch of the fourth longitudinal vein 
missing. Surface of the wing microscopically pubescent. Abdomen 
with six segments. 
Genus 34. Trizygia, gen.nov. 
Costal vein extending considerably beyond the tip of the second 
longitudinal vein. Auxiliary vein ending in the costa beyond 
the marginal cross-vein, united to the first longitudinal vein by 
the suVj-costal cross-vein. Marginal cross-vein situated consider- 
ably before the middle of the first longitudinal vein. Third 
longitudinal vein without an anterior branch. Fourth longi- 
tudinal vein a little arcuated, the anterior branch detached, 
appearing as a short piece of a vein, joining the margin. Fifth 
longitudinal vein missing. Wing microscopically pubescent, the 
hairs of distinctly two lengths. Abdomen with six segments. 
Genus 35. Aphelomera, gen.nov. 
Costal vein extending far beyond the tip of the second longi- 
tudinal vein, stopj>ing a little before the apex of the Aving. 
Auxiliary vein joining the costa a short distance before the 
marginal cross- vein ; no sub-co.stal cros.s-vein. Marginal cross- 
vein situatiid very much before the middle of the first longi- 
tudinal vein. Third longitudinal vein detached from the second 
longitudinal, starting in the wing-disk considerably beyond die 
marginal cross- vein ; no anterior branch. Anterior branch of the 
fourth longitudinal vein <]uite detached, a[»pearing as a short [liece 
