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THE CANADIAN ENTOMOLOGIST. ' 45 or with very little yellom showing. 1,ength of body, .So mm. to I mm.; vertex rather sharply rounded ; length of wing, 1.60 mm ; length of antennze, .So rnm.; joint 5 lor~gest, joints 4 2nd 5 equal ; joint 6, wit11 unguis, of the same length as the two preceding joints ; joint 3 with about seven and joint 4 with about one transberse sensoria. D~s c n i~1 . r o~ OF PLATE, Phy//aphis C o w e~~i , CBI1.-I, stem-ruother ; 2 , male ; 3, oviparous female ; 4, antennadoi:10.4039/ent4145-2 fatcat:wqimabwxnjc6jjnsew7yxavekq