293a (292b). Propodeum without median triangular area; scutellum (sc) not transverse

(anterior, posterior sides not parallel), axillae (ax) distinct from scutellum, rarely meeting

medially; club of antenna almost always segmented (a few species here have antennae like

Signiphordae). Axillae (ax) do not meet medially, generally widely separated; prescutal

sutures (n) present and mostly far apart, complete (Fig.A) and abdomen broadly sessile;

fore wing post marginal vein mostly absent; (antennal club in Eretmocerus large and undivided,

tarsi with 4 segments); body usually less than 1 mm long, rarely 1.7 mm, always not metallic

(Figs.B-N) ...........................................................................………………..............................Aphelinidae

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A B C D

E F G H

293b. Propodeum with triangular median area (Fig.A); scutellum (sc) transverse (sides

parallel), fused with axillae and forming a narrow cross-belt or widely separated; prescutal

sutures complete but fine, linear; thorax smooth; club of antenna elongated and not

segmented; male antennae simple; fore wing not especially narrow, basal 13rd mostly bare

but with several very prominent bristles; body small, hardly ever >1mm long, usually black

and depressed dorsally, always winged, abdomen broadly sessile (Figs.B-C)......................

...........................................................................................................……............................... Signiphoridae

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A B C