16 E. B. Williamson and J. H. Williamson 



basal pale area on each is more extensive along the ventral border than in 

 the middorsal line, and it is a conspicuous lateral spot on 7 on which 

 segment it is not visible in dorsal view; 8-1 0*. black, the apical ventral 

 angle of 10 pale. Sternum of 1 largely or entirely dark; anterior lamina 

 and posterior processes of 2 largely dark ; lateral color pattern of 3-7 car- 

 ried across the sterna ; sternum of 8 largely dark, pale basally and apically ; 

 sterna of 9 and 10 bright pale colored, yellow (?) or more probably blue 

 (?) in life. Appendages nearly white to pale reddish horn color. 



Length of the wing on lobe on the expanded postero-ventral margin of 

 the tergum of 2 about .6, and the distance from the apex of this lobe to 

 the antero-ventral angle of the tergum about 2.0. 



Female. — Head similar to that of the male. 



Prothorax dull pale color without definite or extensive markings, the 

 dorsum of the two posterior lobes dusky, proepimeron largely dusky to 

 brown; hind lobe as in the male. 



Thorax patterned similarly to that of the male, but the black is replaced 

 by dark reddish brown except a narrow black border to the pale middorsal 

 stripe, part of the extreme lower end of the broad stripe which covers the 

 mesepimeron, and the broad stripe on and just anterior to the second 

 lateral suture which remains distinctly and conspicuously black ; there is 

 a mere line of black above on the metepimeron and none at all on the 

 latero- ventral carina. Metasternum pale, an indefinite trace of brown 

 basally in the median line. 



Mesostigmal lamina similar to that of the male. 



Coxae pale, a small dark area on the anterior face of the third. Femora 

 largely pale, obscurely darker above, black beneath and at the apex. 

 Tibiae pale, a narrow dark streak beneath, and the first tibia narrowly 

 dark streaked above. 



Venation and stigma similar to those of the male. 



Abdominal segments 1-5 colored about as in the male; in 6 the darii 

 median area is not black in its darkest portion and it fades out posteriorly 

 into a light reddish brown area which passes into darker apical brown, 

 but not black; similarly 7 and 8 are reddish brown, instead of black as in 

 the male, though there is an indefinite trace of b!ack in the middorsal line 

 of 8 ; 9 with a dorsal longitudinal ill defined dark bar about .8 wide at base, 

 bounded on either side basally with blue for about two-thirds its length, 

 widening apically and becoming paler below in its apical third till it fades 

 out with the lateral basal blue spot in a general loss of color pattern along 

 the ventral border, 10 black or nearly so. Sternum of 1 pale, of 2 largely 

 dark, of 8 largely blue, apparently the same color in life as the large 

 lateral basal spot on 9. Appendages dark brown, black at apex, flattened 

 cone-shaped, acute. Valves long, the valvular styles at their point of 

 attachment distal to the apices of the appendages. 



Venational characters based on four males and four females 



Postnodals front wing, 13 (12.5% males), 14 (25% males, 25% females), 



