Catalogue of the Odonata of Ohio. 



1 1 1 



three E. carunculatum was seen flying about ; it is needless to say two 

 were males. 



5. There are now fourteen Gomphines listed for Ohio. I feel 

 confident that several more regional species remain to be detected 

 within our limits. 



The following remarks are made as suggestions to collectors : 

 Hagenius brevitsylus flies through July and the greater part of August. 

 (This year taken August 24, Parish, N. Y.) ; it is found about larger 

 streams ; Gomphus spiniceps in August and September about smaller 

 swift flowing brooks. All the remaining species occur from May to 

 July 15. Gomphus p c rater ~nus, fraternus var. Walshii, vastus and spicatus 

 frequent the borders of wave-beaten shores or rushing rivers : the 

 males, during the warm sunny hours, make frequent excursions over 

 the crested waves after each of which they return to shore for rest ; 

 the females generally remain in the herbage or higher on trees near 

 by, flying out occasionally to deposit their eggs in the disturbed 

 waters and often bringing back a consort to the place of rest. Gom- 

 phus villosipes, exilis and furcifer frequent quiet waters of smaller 

 ponds, or even ditches where there are floating algae or lily pads on 

 which to rest. The males explore the borders and watch from the 

 muddy shore or floating plants ; the females at intervals drop down 

 from their coverts to oviposit among the plants dipping into the water 

 in a manner similar to that of Libellula. The habits of G. graslinellus 

 externus and dilatatus I have not observed. 



Both our species of Dromogomphus prefer larger strong flowing 

 streams and fly in northern Ohio during July. 



Additional localities for species enumerated in the first paper are 

 these ; fraternus, McConnellsville, June 18, villosipes, Delaware, May 30, 

 Columbus, June 8-13; exilis, Sugar Grove, May 18, Delaware, May 

 30; spicatus, Sandy Beach, July 1, where it was very abundant 

 among the reeds off the shallows; D. spinosus, Bucyrus, June 28. 



6. Fonscolombia vinosa can no longer be considered rare or local 

 in Ohio. I found it quite numerous at Georgesville, September 4, 

 and it was seen at Blendon, September 14. At Parish, Oswego Co., 

 N. Y., the latter part of August, it was really abundant and afforded 

 an excellent opportunity for noting its habits. It prefers seclusion, 

 hence should be looked for along ponds and streams with well wooded 

 banks, where branches overhang the water and where half submerged 

 logs and rubbish abound. The males may be seen from early in the 



