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U.S. NATIONAL MUSEUM BULLETIN 277 



Figure 140. — Metatrichia hulbosa (Osten Sacken), male, female: a, wing; ^,f, lateral aspects 

 of male and female heads; d, e, frontal aspects of male and female heads; j-h, ventral, 

 lateral and posterior aspects of male terminalia; z, posterior aspect of female 8th and 9th 

 segments; ;', lateral aspect of female 8th and 9th segments; k, female 9th sternum and 

 bursa. 



Female. — Head black; eyes black-brown; a narrow postocular 

 band; frons rugose, with a smooth median band, lower portion juts 

 out extending the antennae outward. Mouthparts red-brown, well 



