FLIES OF THE GENUS OGCODES — SCHLINGER 



289 



light brown, yellow, or white postalar callus and humerus; venation 

 as in plate 3, figure 11; male genitalia large; aedeagus as in plate 7, 

 figure 36; ejaculatory apodeme as in plate 13, figure 102. 



Type: Holotype 9, Pennsylvania (Osten Sacken, AICZ). 



Distribution: This is one of the most commonly encountered and 

 widely distributed species of Nearctic Ogcodes. It spreads throughout 

 the middle and northeastern United States and southern Canada, 

 becomes less frequent in the west where it is known only in southern 

 California, and ranges south through Mexico to Costa Rica (see text 

 fig. 7). 



Figure 7.- — Distribution of Ogcodes pallidipennis Lcew in the United States. 



Recorded distribution: The following state records represent onl}' 

 those specimens which have been reexamined or those which were 

 cited by Sabrosky (1944, 1948) and about which there seems little 

 doubt: Arkansas, Baja California (aedon Townsend), Connecticut, 

 District of Columbia, Illinois, Indiana, Kansas, Maine, Manitoba, 

 Maryland, Massachusetts, Michigan, Alinnesota, Missouri, New 

 Brunswick, New Hampshire, New Jersey, New York, Ohio, Ontario, 

 Pennsylvania, Sonora (humeralis Osten Sacken), Texas, Vermont, 

 Virginia, and Wisconsin. 



New distribution records: (170 specimens, 95 cT, 759). 



Alberta: 1 9 , Sundre, July 12, 1946, on poplar tree (CNM). 

 Arizona: 19, Globe, July 18, 1935 (F. Parker, EIS); 19, Carr Canyon, 

 Huachuca Mts., Cochise Co., Aug. 1905 (H. Skinner, PANS). 



Arkansas: 2 9 , Fayetteville, May 30 to June 10, 1933 (H. H. Schwardt, CU). 



