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