Subfamily: Campopleginae Förster, 1869

Genus: Campoplex Gravenhorst, 1829

Type species: Ichneumon difformis Gmelin, 1790; designation by Westwood (1840).

Diagnosis. Body length 3–11 mm, fore wing length 2–8 mm; clypeus flattened to convex, apical margin truncated to arched, sometimes thick medially; mandible with or without lamella; malar space 0.3–1.0× basal width of mandible; frons with or without a median carina; occipital carina reaching hypostomal carina at or above mandible base; eyes weakly or not at all emarginate opposite antennal socket; temple swollen or not; pronotum in profile moderately long, epomia vestigial or absent; scutellum subtriangular, convex; speculum smooth and shiny; mesopleural furrow impressed as a sharp groove; propodeum with area superomedia and area petiolaris confluent but the junction of them discernible; median area flat to strongly depressed; apex of propodeum usually not reaching middle of hind coxa; propodeal spiracle round to oval; fore wing areolet absent or present, if present, usually emitting 2m-cu from its apical part; external angles of second discal cell acute (55°–75°), or rarely 90°; 1cu-a opposite to distad of M&RS; nervellus usually intercepted, if intercepted, usually at its lower half; first metasomal segment round in cross-section at basal 0.3, sometimes a little squarish, with or without dorso-lateral carina and lateral groove; suture separating first tergite from its sternite at middle of segment or a little below middle; glymma absent; metasoma except petiole mat to granulose; metasoma from third segment on compressed to round; male genital parameres broad and round apically or sometimes with a shallow emargination apically.