. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 626 bulletin: museum of comparative zoology 17. Last abdominal sternite divided longitudinally, the ovipositor issu- ing some distance before the tip of the abdomen (Fig. 893) and provided with a pair of narrow sheaths which equal it in length. Trochanter divided into two distinct joints, except in some forms without stigma; fore wing either with or without a costal cell. (TEREBRANTIA) 18 Last abdominal sternite not divided longitudinally, the ovipositor issuing from the tip of the abdomen as a sting (rarely absent) w
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 626 bulletin: museum of comparative zoology 17. Last abdominal sternite divided longitudinally, the ovipositor issu- ing some distance before the tip of the abdomen (Fig. 893) and provided with a pair of narrow sheaths which equal it in length. Trochanter divided into two distinct joints, except in some forms without stigma; fore wing either with or without a costal cell. (TEREBRANTIA) 18 Last abdominal sternite not divided longitudinally, the ovipositor issuing from the tip of the abdomen as a sting (rarely absent) without a pair of exserted sheaths (Fig. 894). Trochanter con- sisting of a single joint (Fig. 897), or if rarely divided, the second part is very closely attached to and not distinctly sepa- rated from the femur (except Trigonalidae); fore wing always (except Rhopalosomatidae) with a costal cell. Ants, Wasps and Bees. (ACULEATA) 73 18. Winged 19 Wingless or with the wings greatly reduced in size 59. 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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