125a (124a).    Tergite 2 longest and usually forming at least 1/2 the abdomen; radial cell open

             (except in Charips) and petiole without enlarged ring bearing longitudinal striations (gall-

formers and hyperparasitoids in aphids).  If radial cell is closed and petiole has striated

 ring, then tergites 2 & 3 are fused into a single saddle-shaped tergite that covers entire

 abdomen (Figs.A-C) (Synergus inquilines in oak galls)..............

. ...........................................( Hymenoptera)  (Cynipoidea)  Cynipidae [also see fly-par.htm ]

 

             Please CLICK on pictures to enlarge

 

            

                                A                                           B                                          C

 

 

125b.    Tergite 2 clearly forming less than 1/2 of abdomen; radial cell closed; petiole with slightly

             enlarged ring structure bearing longitudinal striations; mesopleura without spines or

             scratches (Figs.A-B) (parasitoids of Diptera).............. (Hymenoptera)……  (Cynipoidea)  Figitidae

             [also see fly-par.htm ]

 

             Please CLICK on pictures to enlarge

 

            

                                       A                                      B