INSECUTOR INSClTly^ MKNSTRUUS 



97 



ally well marked specimens show black dots at the apices of all 

 the veins terminating in the inner margin of the wing. All the 

 spots are sharply defined and mostly round or quadrate. The 

 upper branch of the third vein is short appendiculate, the spur 

 not reaching beyond the black spot. All three pairs of tibiae 

 are narrowly ringed with black at their apices. The third joint 



Fig. 1. — 1. Tabaiiiis mexicauus L. ; 2. Tabaiius flavus Macq. 



of the antennae is much shorter and broader than in inanis 

 and the basal tooth is more strongly marked. The pile of the 

 mesonotum is variable in color, being either dull white or pale 

 yellow with silky luster. 



Tahanus mexicanus is evidently widely distributed in the 

 moist tropics, but appears to be absent from the Antillean re- 



