251a (250a).    Frons projects as 2 "horns" (surrounding antennae) in dorsal view (Fig.A); petiole

            on abdomen, not long but with distinct dorsal ridges; ventral edge of hind femur with

            smoothly arched comb of minute teeth (Figs.B-C)...............................................................

            ................................................ Hymenoptera......Chalcididae (generalized) (Dirhininae) [also see fly-par.htm ]

 

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                                A                                              B                                                C

 

251b.    Frons not modified as "horns," mostly flat in dorsal view (Fig.A); hind tibia almost

 perpendicularly squared at tip; 2 hind tibial spurs........... Hymenoptera. Chalcididae (Haltichellinae)

 

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                                                                 A

 

251c.    Frons not modified as "horns," mostly flat in dorsal view; hind tibia obliquely squared at

 tip (Fig.A); either 1hind tibial spur or spur not apparent; abdominal petiole either

 concealed or much  shorter than 1/2 length of abdomen and not striated longitudinally

.............................................................................………...............................Chalcididae  (Chalcidinae)

 

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                                               A