THE SYRPHIDAE OF OHIO 8i 



5 C. nitida Wiedeman. One male, Ft. Ancient, three Sandusky; 

 three females Columbus, vSandusky, Wauseon , last of May to last of August. 



(Figs. 2IO, 248;. 



6 C. pictipennis Loew. One female has wings nearly clear. Three 

 specimens, Medina, Columbus, Ira; April 23 and early August. (Figs. 

 211, 249). 



^Chrysogaxter apisaon Walk (N. Y.). 



Psilota Meigen 

 */*. flavipennis Macq. (Philadelphia). 



Pipiza Fallen 



1 Abdomen with a basal interrupted yellow fascia 2 



Abdomen uniformly black 3 



2 Wings witli a brown spot in the middle festiva 



Wings without a brown spot in the middle femoralis 



3 Third joint of antennae at least twice as long as wide 4 



Third joint scarcely twice as long as wide, or rounded 5 



4 Third joint of antennae elongate; hind metatarsi much thickened; last section 



of fourth vein bent near its middle pulchella 



Third joint elliptical, hind metatarsi but slightly thickened; last section of 

 fourth vein bent at its antepenultimate third radicum 



5 Black pilose nigripilosa 



Chiefly light pilose 6 



6 Wings with brownish cloud, abdomen chiefly light pilose 



*albipilosa Willst ( Pa. ) 



Wings without a brown cloud pisticoides 



Hind coxae armed with a long slender process, dilated and compressed toward 



the end *calcarata Loew(N. Y., N. J.) 



*/^. JHodesta Loew(N. Y., Can., N. J., N. M.) *nignbarba Loew (N. Y.) *frand- 

 ulcnta Loew? (111.) and*5fl/a.t- Loew (Pa.) may be expected in the State. For descrip- 

 tions of these species see Williston vSynopsis, pp. 24-26. 



7 P. femoralis Loew. 15 males, 2 females, Columbus, vSugar 

 Grove, Ira; all taken in May. 



8 P. festiva Meigen. 6 females, Columbus, June: 2 females, Ira, 

 September. Can this be the female of P. femoralis ? 



9 P. nigripilosa Williston. One male, Hinckle\-, late June. 



10 P. pisticoides Williston. 9 males, 8 females, Medina, Hinckley, 

 Columbus; late April to early AugiLSt. (Fig. 208). 



11 P. pulchella Williston. One male, Lockbourne, Jul\- 3; three 

 females, Medina, Akron, Ft. Ancient, Ju]\- to August. 



