Psyche, 1915. 



Vol. XXII, Plate V. 



EXPLANATION OF PLATE 7. 



Hypopygia of Thrypticus. Fig. 1, T. abdominalis Say; fig. 2, T. 

 fraterculus Wheeler; fig. 3, T. vietus sp. nov.; fig. 4, T. avrinotatvs sp. 

 nov.; fig. 5, T. miMenhergiae J. & C; fig. 6, T. uillistoni Wheeler; fig. 7, 

 T. eomosus sp. nov.; fig. 8, T. cupxilifervs Aldrich; fig. 9, T. tedvs sp. nov. 



In the drawings, the scales of pollen appear as hairs inclining back- 

 ward, there are no real hairs on the capsules of any of the hypopygia 

 that I have examined. 



Van Dvzee—Thryticus. 



