. Bulletin of the British Museum (Natural History) Entomology. OPHIONINAE OF TROPICAL MESOAMERICA 5 explanation. The definitive insect thorax is composed of three segments, but in the apocrite Hymenoptera the first abdominal segment (the propodeum) is intimately fused with the metathorax and quite unlike the remainder of the abdomen. In this work the thorax plus propodeum is called alitrunk, whilst the remainder of the abdomen, from segment 2 onwards, is called the gaster. These terms correspond to the terms mesosoma and metasoma that are widely used in North American literature. The propodeum
. Bulletin of the British Museum (Natural History) Entomology. OPHIONINAE OF TROPICAL MESOAMERICA 5 explanation. The definitive insect thorax is composed of three segments, but in the apocrite Hymenoptera the first abdominal segment (the propodeum) is intimately fused with the metathorax and quite unlike the remainder of the abdomen. In this work the thorax plus propodeum is called alitrunk, whilst the remainder of the abdomen, from segment 2 onwards, is called the gaster. These terms correspond to the terms mesosoma and metasoma that are widely used in North American literature. The propodeum of many ophionines is highly derived and. [ROI IIANTELLU RGI 1 1 ' YHYKllHA ,'-r>>«»>»*»i""""""l"n[ ^STERN1 ' ANTERIOR AREA SPIRACULAR AREA. POSTERIOR AREA HE CAP] l URON Figs 1, 2 Stylized ophionines labelled to show parts. 1, Ophion alitrunk, lateral view. 2, Enicospilus propodeum and anterior part of gaster, lateral view. Abbreviations: ATC = anterior transverse carina of propodeum; EpC = epicnemial carina; ESS = episternal scrobe; LLC = lateral longitudinal carina of propodeum; LT = laterotergite of tergite 2; N3 = metanotum; PTC = posterior transverse carina of propodeum; PTCM = posterior transverse carina of mesosternum; SAP = subalar prominence; Tg = 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 British Museum (Natural History). London : BM(NH)
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