Grigiotermes piassava Carvalho & Vasconcellos, 2024 皮亚萨瓦灰白蚁

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1. Morphology of the Salivary Gland Acini in Grigiotermes bequaerti (Isoptera: Termitidae: Apicotermitinae)

   Ana Maria Costa–Leonardo, Carminda da Cruz‐Landim · 1991 · Entomologia Generalis

   摘要

   The salivary glands of females in Grigiotermes bequaerti (Snyder & Emerson 1949) are composed of many acini. Within the acini, the secretion is collected by canals that join into excretory ducts that open at the acini are formed of 3 classes of cells: secretory, parietal and canalicular. The secretory cells present 2 distinct types which, however, seem to be only different functional stages. Their secretion appears to be highly fluid and accumulates in vacuoles of low electron density. The morphological features of parietal cells point to an ionic transportation function, since they contain an intracellular canaliculus lined with microvilli, and are rich in mitochondria. The final product of the gland may result from the interaction of these 2 cells. The canicular cells located within the acini, in addition to constituting the way of secretion elimination, may have a support function serving as a point of aggregation an interconnection of secretory and parietal cells.

2. New Species of Grigiotermes (Apicotermitinae, Termitidae) from the Northern Atlantic Forest, Delimited by Morphological and Molecular Data

   Antônio F. Carvalho, Mauricio M. Rocha, Ricardo Koroiva, Sara Rikeley Paulino Monteiro, Alexandre Vasconcellos · 2024 · Sociobiology

   摘要

   In this paper, we described a new species of Grigiotermes, G. piassava sp. n., from the Brazilian Atlantic Forest. The imago and worker caste are described, including the gut morphology. The inclusion of the new species in Grigiotermes was based on morphological and DNA data. Apparently, the distribution of the species is limited to the northern region of the Atlantic Forest, located above the São Francisco River, which is considered one of the most threatened sectors of the biome.

3. Metagenomic Analysis of the Whole Gut Microbiota in Brazilian Termitidae Termites Cornitermes cumulans, Cyrilliotermes strictinasus, Syntermes dirus, Nasutitermes jaraguae, Nasutitermes aquilinus, Grigiotermes bequaerti, and Orthognathotermes mirim

   Maria Angela B. Grieco, Fabyano Álvares Cardoso Lopes, Louisi Souza de Oliveira, Diogo A. Tschoeke, Claudia Popov, Cristiane Carneiro Thompson, Luna C. Gonçalves, Reginaldo Constantino, Orlando B. Martins, Ricardo Henrique Krüger, Wanderley de Souza, Fabiano Lopes Thompson et al. · 2019 · Current Microbiology

   摘要

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