FIGURES 2–4 in <strong>Phylogeny and revision of <em>Messatoporus</em> Cushman (Hymenoptera, Ichneumonidae, Cryptinae), with descriptions of sixty five new species</strong>

FIGURES 2–4. Terms for structures used in the present work. 2, Messatoporus nigriscutus. head, frontal view; aac, apical area of the clypeus; clp, clypeus; cma, clypeus maximum width; cmi, clypeus minimum width; clh, clypeus height; sca, supra-clypeal area; saa, supra-antennal area. 3, M. maculiscus; mdl, mandible length 4, M. orientalis; mls, malar space; mbw, mandible basal width; gen, gena.