296 
with the smartweed-borer. This species is shown in Figure 8. It may 
be at once distinguished from the other borers by the presence of three 
bristles of the infraspiracular spot on the prothorax (Fig. 26), by the 
Fic. 6. Larva of Pyrausta nubilalis, dorsal view. 
Fie. 7. Larva of Pyrausta nubilalis, lateral view: is, infraspiracular 
spot; ss, supraspiracular spot; as, anterior submedian spot; 
sp, spiracle; ps, postspiracular chitinized spot. 
Fic. 8. Tineid larva from stems of Spanish needles (Bidens sp.). 
number of bristles on the ninth abdominal segment (Fig. 27), and by 
the presence of a complete circle of claws, arranged in a single series, 
on the abdominal pseudopods. 
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