Latero-ventral metathoracic carina: in Odonata; forms the dividing line between the metepimera and the metasternum. [Please select]
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Pneustocera: breathing horns: the prolongations of the metathoracic spiracles in Berytidae, etc. [Please select]
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Apophysis: the lower of the two joints of trochanter in ditrocha trochanterellus; the dorso-lateral metathoracic spines in Hymenoptera; also used as synonymous with ento-thorax. [Please select]
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