Results 21 to 30 of about 107,813 (292)

Integrative description of Macrobiotus canaricus sp. nov. with notes on M. recens (Eutardigrada : Macrobiotidae) [PDF]

open access: yes, 2018
In this paper we describe Macrobiotus canaricus sp. nov., a new tardigrade species of the Macrobiotus hufelandi group from the Canary Islands. Moreover, with the use of DNA sequencing, we confirm that Macrobiotus recens Cuénot, 1932 represents the ...
Krzywański, Łukasz   +2 more
core   +1 more source

Phylogenetic Affinity of Genolopa (Digenea: Monorchiidae) with Descriptions of Two New Species

open access: yesDiversity, 2020
The validity of Genolopa Linton, 1910 has been controversial because the observation of presently recognized critical diagnostic morphological features (spines in the genital atrium and a bipartite, anteriorly spined terminal organ) were omitted from the
Apryle J. Panyi   +2 more
doaj   +1 more source

Recognition of Ribosomal RNA Sites in DNA, I. Analysis of the E. coli System [PDF]

open access: yes, 1965
The evidence recently presented of specific hybridization between bacterial ribosomal RNA and homologous DNA1-3 has indicated the possibility of a biochemical approach to the problem of the identification of ribosomal RNA sites in DNA.
Attardi, Giuseppe   +2 more
core   +1 more source

A new root-knot nematode, Meloidogyne moensi n. sp. (Nematoda : Meloidogynidae), parasitizing Robusta coffee from Western Highlands, Vietnam [PDF]

open access: yes, 2019
A new root-knot nematode, parasitizing Robusta coffee in Dak Lak Province, Western Highlands of Vietnam, is described as Meloidogyne moensi n. sp. Morphological and molecular analyses demonstrated that this species differs clearly from other previously ...
Le, T. M. L.   +5 more
core   +1 more source

A new species of Pseudochalcura (Hymenoptera, Eucharitidae), with a review of antennal morphology from a phylogenetic perspective [PDF]

open access: yes, 2009
Pseudochalcura alba Heraty & Heraty, sp. n. is described from Santiago del Estero and Catamarca provinces in northwestern Argentina. The male and female have long dorsal rami on all of the flagellomeres basal to the terminal segment, which is a unique ...
Heraty, Joanne M.   +2 more
core   +2 more sources

The genus Nipponaetes (Hymenoptera: Ichneumonidae: Cryptinae) in Costa Rica, with a reassessment of the generic limits

open access: yesEuropean Journal of Entomology, 2004
The endemic Costa Rican genus Zurquilla Gauld, 1997, is transferred from the ichneumonid subfamily Tryphoninae (tribe Oedemopsini) to the Cryptinae (tribe Phygadeuontini) and synonymised with Nipponaetes Uchida, 1933.
Gavin R. BROAD   +2 more
doaj   +1 more source

Analysis of 28S rRNA and COⅠ Gene Sequence of Nine Necrophagous Calliphorid Flies from Luoyang#br# [PDF]

open access: yesFayixue Zazhi, 2019
Objective To assess the feasibility of using 28S ribosomal RNA (28S rRNA) and mitochondrial cytochrome c oxidase subunit Ⅰ (COⅠ) gene sequences of nine necrophagous Calliphorid flies for the identification of common necrophagous Calliphorid flies, and to
ZHAO Lin-lin, ZHAI Xian-dun, ZHENG Zhe,et al.
doaj   +1 more source

A new Gammarus species from Xinjiang Uygur Autonomous Region (China) with a key to Xinjiang freshwater gammarids (Crustacea, Amphipoda, Gammaridae) [PDF]

open access: yesZooKeys, 2022
A new species of the genus Gammarus Fabricius, 1775 is described and illustrated from Xinjiang Uygur Autonomous Region, China. Gammarus zhouqiongi sp. nov. is characterized by pereopods III–IV with long straight setae on posterior margins; inner ramus of
Kui Zhang   +4 more
doaj   +3 more sources

Hybrid materials based on polyethylene and MCM-41 microparticles functionalized with silanes: catalytic aspects of in situ polymerization, crystalline features and mechanical properties [PDF]

open access: yes, 2016
New nanocomposites based on polyethylene have been prepared by in situ polymerization of ethylene in presence of mesoporous MCM-41. The polymerization reactions were performed using a zirconocene catalyst either under homogenous conditions or supported
A. Bento   +70 more
core   +1 more source

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