HENRY J. FRANKLIN. 247 



70. Some segments of abdomen beyond the second bearing ferrugin- 



ous-red or reddish pile 71. 



No segment of abdomen beyond the second bearing ferruginous- 

 red or reddish pile 72. 



71. Malar space fully one-third the length of the eye kirbyellus. 



Malar space not one-third the length of the eye ternarius. 



72. No black interalar band 73. 



With a broad black band between the wings (not always sharply 



defined) 76. 



73. Ocelli large, placed well below the supra-orbital line and in the 



narrowest part of the front ; lateral ocelli nearer the margins 



of the eyes than to each other 74. 



Ocelli small, placed near the supra-orbital line, above the narrow- 

 est part of the front ; lateral ocelli about equidistant from 

 from the margins of the eyes and from each other 75. 



74. Hind femora bearing a strong touch of yellow hairs.. 



niormoiioruin. 

 Hind femora all black separatus. 



75. Malar space longer than it is wide at the apex ; first four abdomi- 



nal segments entirely covered above with yellow pile. 



fervidus var. dorsalis. 

 Malar space not longer than it is wide at the apex ; not all the first 

 four abdominal segments covered above with yellow pile. 



afO^nis. 



76. Malar space distinctly more than one-third as long as the eye. 



kirbyellus. 

 Malar space not more than one-third as long as the eye 77. 



77. First four abdominal segments entirely covered above with yellow 



pile fervidus. 



Not all the first four abdominal segments entirely covered above 

 with yellow pile , 78. 



78. Basal portion of abdomen above with a large median triangular 



black area ; none of the apical segments bearing much yel- 

 low pile above pleuralis. 



Basal portion of abdomen without a large median black area ; pre- 

 apical abdominal segment above largely covered with yellow 

 pile 99. 



79. Pleura mostly covered with light pile 80. 



Pleura with light pile extending but a short distance below bases 



of wings 87. 



80. Ocelli large ; below the supra-orbital line, in the narrowest part of 



the front ; malar space very short, much shorter than broad. 



fraternus. 



Ocelli small, near the supra-orbital line, above the narrowest part 



of the front ; malar space at least as long as broad 81. 



TRANS. AM. ENT. SOC, XXXVIII. 



