86 



The images are reported from Illinois, Texas, Michigan, 

 Ohio, Tennessee, and the Atlantic coast states from New Jersey 

 to Florida, the dates of collection ranging from May 25 to 

 September 30. The period of flight usually ends about August 

 1, but a single example was taken as late as August 25 at 

 Havana. In Illinois adults have also been listed from Bloom- 

 ington, Moline, and from Winchester, in Scott county. 



The nymph measures in length 35-36 mm.; al:>domen, 25 

 mm.; hind femur, 4.5 mm.; width of abdomen 6-7 mm., of 

 head 5 mm. 



Body narrow and elongate, a little hairy on lateral margins 

 and appendages. Head cordate, arcuately notched liehind, with 

 broadly rounded luit prominent hind angles. External tibial 

 hooks minute. 



Labium elongate, nientum one half longer than broad, 

 widened apically; median lobe slightly rounded in front, its 

 comb of scales short and sparse; lateral lobes arcuate and ter- 

 minating in a sharply incurved hook. Teeth on inner margin 

 varying from none at all to four or five, increasing in size and 

 distinctness proximally. Moval)le hook long, strong, and regu- 

 larly incurved. 



Abdomen widest on 6, median dorsal smooth line on seg- 

 ments 2 to 7 or 2 to 8; a flattened rudiment of a dorsal hook 

 on 9; segments 8 to 8 of about equal length, 9 one third longer, 

 10 very short; lateral spines on 6 to 9 appressed, those on 9 half 

 as long as the inferior appendages; appendages about equal 

 and exceeding the length of 10. 



20, GottqjhHs Hofafus ^e\ys. 



G.fliivialis Walsh (in part). 



The true notatns is represented in our Illinois collections by 

 only a single female, taken on the bank of the Mississippi near 

 Savanna August 1. In its wing venation and external sexual 

 structures it seems quite distinct from plagiatus. The nymphs 

 described by Hagen as notatns and plagiatus are probably all 

 plagiatus. His description of notatus agrees exactly with un- 



