Genus Sabethinus. 621 



Abdomen bright metallic violet, with large basal silvery 

 lateral spots and similar coloured venter, showing pale golden 

 reflections in some lights ; apical hairs black. Legs deep brown 

 with metallic violet hues. 



Wings with very large dense asymmetrical brown scales 

 showing metallic violet reflections ; fork-cells long, the first sub- 

 marginal longer but no narrower than the second posterior cell, 

 its base a little nearer the base of the wing, its stem one-fourth 



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Fig. 287. 

 Wing of Sabethinus albiprivatus. 9 . Lutz. 



the length of the cell ; stem of the second posterior cell about 

 one-third the length of the cell ; mid cross-vein a little nearer 

 the apex of the wing than the other two, the posterior longer 

 than the mid. 



Length, — 4*5 to 5 mm. 



$ . Antennae more pilose than in the $? ; palpi very short 

 but slightly longer than in the ? . 



Genitalia with the basal spines thick, four one side, three the 

 other ; median processes with apical teeth. 



Wings with very long fork-cells ; the first sub-marginal much 

 longer and a little narrower than the second posterior • its base 

 nearer the base of the wing, its stem not quite one-fifth the 

 length of the cell ; stem of the second posterior about half the 

 length of the cell ; supernumerary and mid cross- veins meet at 

 an angle ; posterior in a line with the mid. 



Length. — 4*8 mm. 



Habitat. — Cantoreira, Brazil. 



Time of capture. — April. 



Observations. — Described from a male and female given me 

 by Dr. Lutz. It differs from S. aurescens in the black chaetae 

 over the wings and in the deep bright blue thorax. From 

 S. intermedins in the blue thorax and in the male genitalia, 

 wings, etc. 



