THE vSYRPHIDAE OF OHIO 



97 



98 C. {Cviuviiiua) intersistens. Walker. Two males, Cincinnati, 

 Vinton; mid- May and earlx" June. 



99 C. {Cy)iorhina) pictipes? Bigot. Two male.? and one female. Ft. 

 Ancient and West Jefferson earl\- June, correspond fairh* with my trans- 

 lation of Bigot's description. 



100 C. (Cv)ior/iiua) umbratilis Willi.ston. One male Ohio, May 22, 

 190 1. 



( Somula) 



loi C. (Sonmla) decora Macquart. One male, two females. Hanging 

 Rock, Vinton, Flint; mid- May to earl}^ June. 



Milesia lyatreille. 



102 M. virginiensis Drury. (^rwa/a Fabricius). Numerous specimens 

 of this magnificent .species, Sandusky, Ira, Akron, Wau.seon, Vinton, 

 Hinckley, Port.smouth; June to early September. (Figs. 231, 237.) 



Spilomyia Meigen. 



r Second joint of antennae ninch longer than the first (x 1.75); second segment 

 of the abdomen with a broad arcuate yellow band, the third and fourth with 



a slender median one quadrifasciata 



Second joint of the antennae not much longer than the first; abdomen not so 

 marked 2 



2 Abdomen yellow; first segment, except the lateral angles, black, each of the 



following segments with two narrow black bands, the one on the anterior 



margin entire, the others interrupted hamifera 



Abdomen black with yellow cross bands 3 



3 First and second abdominal segments wholly black, third with a posterior 



cross band, fourth with two, the anterior one interrupted; abdomen broadly 



oval , fusca 



First segment with a yellow side spot, the following each with two cross-bands, 

 the first cross-band entire, the third and fifth may be very narrowly inter- 

 rupted, not dilated on the sides longicornis 



103 S. fusca Loew. One male, two females, Hinckley, Ira, earl\- 

 Augu.st. 



104 S. hamifera lyoew. Five specimens, Hinckle}', Ft. Ancient; 

 early Jime and August i. (Fig. 228.) 



105 S. longicornis Loew. Fifteen specimens, Blendon, Hinckle\-, 

 Wau.seon, Medina, vSandusky; July 10 to September 11. 



106 S. quadrifasciata Sa>-. Fifteen .specimens, Wau.seon, Blendon, 

 Jefferson; Atigust 28 to September 11. 



