FIGURES 147–166. Male posterior abdominal segments and terminalia. 147–149 in Key to Adults of North American Genera of the Subfamily Cecidomyiinae (Diptera: Cecidomyiidae)

FIGURES 147–166. Male posterior abdominal segments and terminalia. 147–149, Ribesia sarae Gagné: 147–148, terminalia (dorsal and ventral, respectively); 149, gonostylus (caudal). 150–151, Piceacecis abietiperda (Henschel), terminalia and gonocoxal lobes and aedeagus (dorsal). 152–154, Vitisiella brevicauda (Felt): 152, abdominal 6th to 8th segments (dorsolateral); 153, gonopod and aedeagus (dorsal); 154, cerci and hypoproct (dorsal). 155–156, Celticecis celtiphyllia (Felt), terminalia (dorsal and ventral, respectively). 157, Sackenomyia viburnifolia Felt, gonopod and aedeagus (ventral). 158, Cystiphora sonchi (Vallot), gonopod and aedeagus (ventral). 159-160, Spurgia esulae Gagné, terminalia (dorsal and ventral, respectively). 161, Macrolabis americana Dorchin, terminalia (dorsal). 162, Jaapiella gibsoni Felt, gonopod (dorsal). 163–164, Dasineura camassiae Gagné, terminalia (dorsal and ventral, respectively). 165–166, Gephyraulus mangiferae (Felt): 165, terminalia (dorsal); 166, gonocoxal lobes (dorsal).