Catalogue of the Odonata of Ohio. 



209 



29. GOMPHUS GRASLIXELLUS Walsh. 



Two males taken at Columbus by Dr. Paul Fischer. One 

 of these has been lost, the other is in the University collec- 

 tion ; there is also one female, locality unknown, contributed 

 by Dr. Fischer. Thus far this Gomphid has been reported 

 only from Illinois. 



30. GOMPHUS FRATERXUS Say. 



Columbus; Sandusky, where it was common in July, 1894. 



31. Gomphus villosipes Selys. 

 Taken at Sandusky, June 26, by W. E. Kellicott. Rare. 



32. Gomphus spicatus Selys. 

 Sandusky, June. Not common. 



33. Gomphus exilis Selys. 

 Lockbourne, July 2. One male. 



1 



34. Gomphus spixiceps Walsh. 



Sugar Grove, September 4. They were taken late in the 

 afternoon, flying about and ovipositing in a small brook that 

 was rippling over pebbles. They continued to fly until it 

 became so dark that I could not follow them. Pairs at rest; 

 the female oviposits in a manner similar to that of the 

 Libellulas. Four were captured, many more were seen. 



Male. — Length of abdomen, 48 mm.; of hind wing, 36 mm. 

 The head is blackish-brown, with an olive band on the post- 

 frons. On the vertex there is a U-shaped elevation, the upper 

 angles of which are tooth-like, and between this and the eye 

 on either side there is a small yellowish spine ; occiput nearly 

 straight, olivaceous above. 



