ISSN 1911-2173




   
 











8(7’).  Ventral parameres short, concealed within genital bulb (Potentially occurring in Ontario) (Fig. 8. a)………………P. rufescens Rambur

8’. Ventral parameres long, reaching the base of dististyles (Fig. 8. b,c)……………………………………………………………………………………………………. 9