Chrysis aestiva, Dahlbom, 1854

Rosa, Paolo, Livory, Alain & Baldock, David, 2015, Chrysis monticola Linsenmaier, 1999 (Hymenoptera, Chrysididae), a new species for the European fauna, Natural History Sciences 2 (2), pp. 89-94 : 93

Key to Iberian species of the Chrysis aestiva group

1. T3 apical margin with two small, triangular teeth, sometimes blunted or like simple undulations ... C. mixta

- T3 apical margin with four triangular teeth, always distinct in both sexes. ..................................................... 2

2. Female with mesosoma bicoloured blue with pronotum, scutellum, metanotum and mesopleuron contrasting red; malar spaces subparallel; T3 with long and triangular teeth, the two median teeth extended distinctly further posteriorly than lateral teeth. Male with greenish to golden green pronotum, scutellum, metanotum and mesopleuron contrasting with the rest of blue mesosoma; shortest distance between the compound eyes narrower than eye width ........................................................... C. monticola

- Female with green to greenish mesosoma, darker bluish to blackish on the mesoscutum; malar spaces convergent; T3 with apical teeth almost aligned along the apical margin. Male with green mesosoma; shortest distance between the compound eyes distinctly larger than eye width ...................................................................... C. interjecta