232 Illinois State Laboratory/ of Natural History. 



PupoB. 



Abdominal spiracular tubercles Bubtriangtilar, narrower 

 behind, obliquely subconical, much shorter than basal 

 diameter, bearing a short arcuate or subcircular 

 small rima [Fig. 44]; middle upper pair of terminal 

 teeth much smaller than the lateral pair [Fig. 46]. 

 {Lineola group.) 

 Tips of four upper terminal teeth in line [Fig. 46]. 



lineola. 

 Tips of middle upper pair of teeth well above a line 



connecting tips of outer pair costalis. 



Abdominal spiracular tubercles rounded, broad behind, 

 low subhemispherical, bearing a long rima with 

 curved ends [Fig. 52] ; terminal teeth marking the 

 angles of a broad hexagon [Fig. 54]. (Atratus 

 group.) 

 Spines of fringes pale or blackish tipped, short spines 



very unequal nigrescens, stygius. 



Spines of fringes distinctly annulated and tipped with 

 black atratus. 



Subgenus Therioplectes. 



T. trispilus Wied. 



Illinois (Le Baron Collection.) 

 T. lasiophthalmus Macq. 



Two from southern Illinois, in May; two taken near 

 Urbana, also in May. 



T. epistates O.-S. 



Credited by Osten-Sacken to Illinois ["Prodrome," p. 

 467], although this locality is not mentioned for it in his 

 Catalogue [p. 56]. 



Subgenus Atylotvs. 

 T. licolor AVied. 



Four specimens, all taken about a piece of wet ground 

 in Champaign county July 24 to Aug. 29. 



