metasoma


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metasoma

[‚med·ə′sō·mə]
(invertebrate zoology)
The posterior region of the body of certain invertebrates, a term used especially when the phylogenetic segmentation pattern cannot be identified.
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45x as long as wide, reaching apex of metasoma approximately, and clear with fine and dense microtrichia; subcostal vein medium brown, 0.
The appendages (PC, PA, DL, PL, Ch in Figures 1-6) and metasoma (M345, M2, M1 in Figures 1-6) tend to separate from the rest of the body before the mesosoma disarticulates (TMS in Figures 1-6).
Diagnosis: A most characteristic species on account of slender body with mesosoma twice as long as wide and female metasoma 1.
Scorpions were placed on the track and, if necessary, startled with a tap on the metasoma to induce running.
Metasoma behind tergite 1 ventrally and laterally yellow (Fig.
The movable finger of the pedipalp chela on the adult female is shorter than the carapace and slightly shorter than the fifth metasomal segment; in the holotype it is slightly shorter than the carapace, and longer than segment V of the metasoma.
aspect of metasoma, number of flagellomeres and the disposition of the placodeal sensilla in the antennae.
Head black, except mandible testaceous; antenna brown; mesosoma black; metasoma brown; legs brown, except articulations and tarsal segments 1-4 testaceous.
Head black, except mandible partly testaceous; antenna brown-estaceous, except scape and pedicel testaceous; mesosoma black; metasoma brown; legs brown, except protibia and protarsus testaceous and first segment of meso- and metatarsus whitish.
Besides this clear morphological difference, the only other difference found between the two species was the presence of slight sexual dimorphism in the metasoma of H.