. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 894 Figs. 893-897. Hymenoptera 893. Ichneumon, apex of abdomen, with ovipositor. Ichneumonidae. 894. Epeolus, apex of abdomen, with ovipositor. Melectidae. 895. Elasmus, basal segments of leg (Silvestri) Elasmidse. 896. Ichneumon, basal segments of leg; tr. two-jointed trochanter (Sharp) Ichneu- monidae. 897. Hind leg of a bee (Riley). 19. Fore wings with a stigma which is usually triangular or rarely very slender or linear (Fig. 900); costal vein well developed as far as the stigma; abdomen usually with the sternites
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 894 Figs. 893-897. Hymenoptera 893. Ichneumon, apex of abdomen, with ovipositor. Ichneumonidae. 894. Epeolus, apex of abdomen, with ovipositor. Melectidae. 895. Elasmus, basal segments of leg (Silvestri) Elasmidse. 896. Ichneumon, basal segments of leg; tr. two-jointed trochanter (Sharp) Ichneu- monidae. 897. Hind leg of a bee (Riley). 19. Fore wings with a stigma which is usually triangular or rarely very slender or linear (Fig. 900); costal vein well developed as far as the stigma; abdomen usually with the sternites membranous and with a median fold; antennae usually with more than sixteen joints; wing venation ordinarily well developed. Ichneumon-flies. (ICHNEUMONOIDEA) (TRtSTEGA) . .20 Fore wings without a stigma, the marginal vein if present linear, not swollen to form a stigma; costal vein much thinner than the subcostal (Sc + R) (Figs. 906, 907); abdomen with the ventral surface hard and chitinous, without a median fold; antennae with never more than eighteen joints and rarely more than thirteen; wings with very incomplete venation 32. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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