metasoma


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metasoma

(ˌmɛtəˈsəʊmə)
n
(Zoology) zoology the posterior part of an arachnid's abdomen (opisthosoma) that never carries appendages
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Muchas especies presentan una fila marginal de cerdas en el metasoma en los tergos I y II (TI y TII), conocidas como vibrisas ("Halicti vibrissati", Vachal, 1911), ausentes en otros generos (Eickwort, 1969a, b; Cure, Thiengo, Silveira, & Rocha, 1992; Michener, 2000, 2007; Smith Pardo & Velez- Ruiz, 2008).
Monomachidae (Hymenoptera: Diaprioidea) is a small family of parasitoid wasps with two recognized genera: Monomachus Klug, 1841, which have an Austral disjunct distribution with species recorded from Australia, New Guinea and New World, and Chasca Johnson and Musetti, 2012, known only from South America (Musetti and Johnson 2004; Johnson and Musetti 2012); they are sexually dimorphic, with females possessing a long sickle-shaped metasoma, and very short ovipositor hidden inside the segment VIII; whereas males have a pedunculate metasoma (Masner 2006).
16 mm; color light brown; face, front, vertex, temple and occiput brown; gena light brown; clypeus and mandible yellow; antenna with scape and pedicel yellow to light yellow; mesoscutum brown to light brown; petiole yellowish and remaining terga light brown or metasoma entirely yellow; forelegs and middle legs light yellow from coxa to 3rd tarsomere, 4th and 5th tarsomeres dark yellow; hind legs light yellow from coxa to approximately 2/3 of the tibia, the remaining 1/3 of tibia to the 5th tarsomere dark yellow.
cephalothorax, metastoma, joints between metasoma and the base of telson) of each scorpion species, to determine the best site for current application for venom extraction.
Esta especie se caracteriza por una gran variacion en el patron de coloracion en el meso y metasoma, sobre todo en la extension de las areas rojizo-anaranjadas.
El genero cosmopolita Eretmocerus Haldeman incluye 79 especies como fauna mundial (Noyes 2012) que son parasitoides, solitarios, ecto o endoparasiticos primarios, siendo dificil determinar el nivel de especie por las pequenas diferencias morfologicas en antenas, patas, genitalia y setas en alas y meso y metasoma que varian en la misma especie (Myartseva et al.
Diagnosis: A small species with a strong, 3-segmented antennal clava in female, brightly coloured A1 and legs; notauli distinct in anterior half, absent in posterior half; female metasoma 1.
La ultima porcion del metasoma es negruzca, y los ejemplares machos poseen el V segmento caudal mas abultado que las hembras (Fig.
5-1 times median ocellar diameter), metafemur and metatibia (1-2 times median ocellar diameter), and metasoma (Figs.
Although these reductions in pilosity are not as striking as in the male, they also indicate a degree of masculinization of the mesosoma and metasoma.