475 



wings clear, the front wings carmine, and the hind wings brown at 

 base, the color, however, not occupying as much as one-fourth the 

 length of the wing; apices of the wings brown; stigma brown and 

 not longer than the cell caudad of it ; front wings with about twenty- 

 four antenodal cross-veins. 



Abdomen dark brown ; second tergum marked with a paler trans- 

 verse band beyond the middle, the lateral margins also pale; terga 

 three to six paler along the lateral margins, with narrow basal rings 

 interrupted on the dorso-meson ; segments seven to nine inclusive all 

 dull black, the sternum of the tenth buff; anal appendages (Fig. 119) 

 consisting of heavy black superiors, more than twice as long as the 

 inferiors, and having a few tubercles on the lateral surfaces of the 

 apical half, the mesal surfaces with basal knobs and thick subapical 

 projections; inferiors dark brown, reddish at base, short, and with 

 small apical points directed dorsad. 



Female. — Color similar to that of the male. 



Head similar to that of the male. 



Thorax pale brownish, yellow, and green, the dorsal carina 

 black, the supraepisterna of the mesothorax with a median elongate 

 spot extending cephalad from the wing bases half-way to the cephalic 

 margin, the cephalo-dorsal angles being also green; mesepimera with 

 elongate spots about the middle and nearer the ventral than the dorsal 

 margin; wings without carmine, the bases with only a slight tinge of 

 brown ; stigma nearly white, and surmounting one to one and a half 

 cells; antenodal cross-veins of the front wing twenty-one, postnodal 

 cross-veins twenty-six. 



Abdomen similar in general color to that of the male, but the lateral 

 margins of terga eight to ten yellowish brown; dorsal carina of the 

 tenth tergum produced into a long blunt spine, beyond the apex of 

 the segment; ovipositor short, brownish yellow, the prostyles slender 

 and the caudal sternites of the eighth segment large and contiguous 

 on the meson as in amcricana, Figure 41. 



Measurements 



Length, $ 51 mm. 



Length, $ 44 mm. 



Length of abdomen, $ 41 mm. 



Length of abdomen, $ 34 mm. 



Length of hind wings, $ 30 mm. 



Length of hind wings, $ 29 mm. 



Width of hind wings, $ 6-7 mm. 



Width of hind wings, 9 6-7 mm. 



