6a (5). Fore wing with membrane reticulate (= net-like); hind wing
vestigial, with a forked apex; segments 1 and 2 of abdomen cylindrical,
slender, forming a 2-segmented petiole
(= narrow stem attaching abdomen to thorax) (Fig. A)
(body length <1.5 mm); pronotum
(= dorsal sclerite of prothorax) short, does not reach tegula (= small
....................................Chalcidoidea)
(part...............................................................18 Please CLICK on pictures to enlarge 6b. Fore wing membrane not reticulate;
hind wing fully developed though often very narrow, but never with a forked
apex; abdomen with at most 1st segment cylindrical and slender so that
petiole, if present, has 1 segment.....................................................................................................7 |