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Stridulating Species of Aphids of the Genus (Hemiptera: Aphididae) with Descriptions of a New Species from Iran.
Insects
January 2025
Institute of Biology, Biotechnology and Environmental Protection, Faculty of Natural Sciences, University of Silesia in Katowice, ul. Bankowa 9, 40-007 Katowice, Poland.
In this paper, we present a review of stridulating species of aphids of the Macrosiphini genus (Hemiptera, Aphididae) and include 13 species. The most characteristic feature of the reviewed species is the presence of unusual aphids' peg-like sensilla distributed on the hind tibia, which are rubbed against the surface of the siphunculi. A new aphid species-, living on and (Campanulaceae) in Iran-is described and illustrated based on the apterous and alate viviparous females.
View Article and Find Full Text PDFReaction of NHOs with Bisphosphanes - Designing Diradicaloids, Zwitterions and Radicals.
Angew Chem Int Ed Engl
January 2025
Universität Rostock, Institut für Chemie, Albert-Einstein-Str. 3a, 18059, Rostock, GERMANY.
The linkage of an imidazole-based N-heterocyclic olefin (NHO), containing a terminal CH2 donor group, with a phosphorus-centered diradical molecular fragment leads to an open-shell singlet diphospha-indenylide system, a new class of P-heterocycles, which can be interpreted both as a phosphorus-centered diradicaloid and as a zwitterion with a permanent, overall charge separation between the N- and P-heterocyclic ring systems. The rotation of the imidazole ring, which is thermally possible due to a central C-C bond with a weakened π-component, changes both the charge separation and diradical character depending on the dihedral angle, as quantum mechanical calculations indicate. By varying the bulkiness of substituents at the imidazole-based NHO, it was possible to obtain different diphospha-indenylide species with different rotation angles in the solid state and hence varying diradical character.
View Article and Find Full Text PDFDescription and phylogenetic position of an unusual genus and species of allocreadiid trematode from a characid freshwater fish in South America.
Vet Parasitol Reg Stud Reports
January 2025
Escuela Nacional de Estudios Superiores Unidad Mérida (ENES-Mérida), Carretera Mérida-Tetiz Km. 4.5, Municipio de Ucú, 97357 Mérida, Yucatán, Mexico. Electronic address:
The worldwide distributed family Allocreadiidae Looss, 1902 is predominantly parasitic in freshwater fish and occasionally in amphibians and reptiles. It contains 15 genera, of which only Allocreadium, Creptotrema, Wallinia and Creptotrematina have been reported in Argentina. The records of Allocreadium species still require further verification.
View Article and Find Full Text PDFParkinson's disease exacerbation following Levetiracetam administration: an unusual phenomenon.
Oxf Med Case Reports
January 2025
Division of Neurosurgery, Department of Surgery, King Abdulaziz Medical City, Ministry of National Guard - Health Affairs, Riyadh, Saudi Arabia.
Background: Several studies have investigated the potential beneficial and side effects of levetiracetam on Parkinson's disease (PD). We hereby report a case of PD exacerbation following Levetiracetam administration for seizure prophylaxis.
Case Description: A 77-year-old female, known to have PD, presented with a head injury following a fall.
Inflammatory pseudotumor-like extranodal classic Hodgkin lymphoma manifesting as bowel perforation in acquired immunodeficiency syndrome patient with disseminated leishmaniasis: a case report and approach to differential diagnosis.
J Gastrointest Oncol
December 2024
Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA.
Background: Classic Hodgkin lymphoma (CHL) is an extremely common non-acquired immunodeficiency syndrome (AIDS) defining malignancy and its incidence is rising. CHL is usually present in the lymph node and extranodal involvement is rare. Primary CHL of the gastrointestinal (GI) tract is exceedingly rare.
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