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Abstract
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Superfamily Chalcidoidea is one of the most important and richest groups of
Hymenoptera. Chalcids are often small and shiny insects. They immediately can
be recognized by a reduced wing venation. Maximum four longitudinal veins are
present in front wings (Fig. 6.1). Venation of platygastrids may resembles this
general pattern, but chalcids may easily be recognized by quadrate pronotum in
lateral view and a distinct distance between tegula and pronotum which sometimes
filled by a sclerit namely prepectus or post-spiracular sclerit (Fig. 6.1). Some minute
specimens like members of Trichogrammatidae and Aphelinidae are without metallic
coloration and metasoma fused to mesosoma by a thorough contact. Chalcids are
sometimes very strange in appearance.
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