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A new termite species of the genus Dihoplotermes Araújo (Blattaria, Isoptera, Termitidae) from the Brazilian Amazonian rainforest Acta Amazonica
AZEVEDO,Renato Almeida de; DAMBROS,Cristian de Sales; MORAIS,José Wellington de.
ABSTRACT Dihoplotermes, a previously monotypic genus, is now composed of two species. Dihoplotermes taurus sp. nov., a new Termitinae termite species, is illustrated and described based on morphological characters from soldiers, workers, and imago. The new species is distinguished from Dihoplotermes inusitatus Araujo by having a spine-like protuberance with blunt apex on the postmentum, the presence of a spine on the gizzard and the absence of dimorphic soldiers. Furthermore, the internal morphological characteristics of a Dihoplotermes worker are described for the first time. Both internal and external morphological characters were used to improve the characterization of the species.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gizzard; Soil fauna; Taxonomy; Termite; Termitinae.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672019000100017
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Gut anatomy of the worker caste of Neotropical genera Cylindrotermes Holmgren and Hoplotermes Light (Infraorder Isoptera, Termitidae) Rev. Bras. entomol.
Rocha,Mauricio Martins; Cuezzo,Carolina.
ABSTRACT Studies over the last six decades have shown that the gut anatomy of the termite worker caste provides a valuable set of taxonomic characters. However, the gut anatomy of most American termitine taxa is still little known. This study investigated the anatomy of the worker gut of the Neotropical termitine genera Cylindrotermes Holmgren and Hoplotermes Light. We provide descriptions and illustrations of the gut in situ and the cuticular ornamentation of the gizzard, enteric valve, and first proctodeal segment for both genera.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Enteric valve; First proctodeal segment; Gizzard; Termite; Worker caste.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262019000300268
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Histological Observation of the Stomach of the Yellow-billed Grosbeak International Journal of Morphology
Zhu,Lei; Wang,Jun Jie; Shi,Xiao Dong; Hu,Jiang; Chen,Jian Gang.
The stomachs of the yellow-billed grosbeaks were examined by means of light microscopy. The mucous membrane of the proventriculus presented many folds and sulci. The sulci were lined by simple columnar cells with basal nuclei and clear acidophilic cytoplasm. The proventriculus glands were constituted by many round or elliptical glandular lobules. The sulci and the collecting duct of compound tubular glands showed an intense positive reaction in PAS and AB stain. The gizzard was characterized by an internal abrasion-resistant lining cuticle and a thick muscular layer. The cuticle, gizzard glands and muscular layer in two sides were thicker than those in the cranial and caudal.
Tipo: Journal article Palavras-chave: Yellow-billed Grosbeak; Proventriculus; Gizzard; Histology.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022013000200025
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