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21. Scutellum (a1) almost always with straight submedian grooves indicated by change in sculpture. Flagellum with 2 branches in males (b1); females with 3 funicular segments. Propodeum with median carina.

most female and all male Dicladocerus Westwood, 1832

21'. Scutellum (aa1) without submedian grooves. Flagellum in males unbranched or with 3 branches; females often with 4 funicular segments. Propodeum often without median carina.

couplet 22

a1

aa1

b1

dicladocerus mesosoma.JPG (38592 bytes) eulophus mesoscutum.JPG (25515 bytes) dicladocerus male antenna.JPG (5823 bytes)

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Image credits: a1: Yoshimoto (1976). aa1: Schauff, et al. (1997). b1: Graham (1963).