Abstract The “piaussu”, Megaleporinus macrocephalus is an anostomatid fish species native to the basin of Paraguay River, in Pantanal biome western Brazil. However, this has now been recorded a number other drainages, including those upper Paraná, Uruguay, Jacuí, Doce, Mucuri, and Paraíba do Sulrivers. This study presents two new records occurrence M. macrocephalus, basins Itapecuru Mearim rive...

Takecallis nigroantennatus Wieczorek sp. nov. (Hemiptera: Aphididae), associated with the cold hardy bamboo variety Fargesia spp. (Bambusoideae), is described and illustrated along a key to species of genus Takecallis. The results mitochondrial COI (DNA barcoding) nuclear elongation factor 1 (EF1α) gene sequences, which confirm genetic difference new taxon from other congeneric species, are pro...

Transform faults are geological structures that interrupt the continuity of mid-ocean ridges and can act as dispersal barriers for hydrothermal vent organisms. In the equatorial Atlantic Ocean, it has been hypothesized that long transform faults impede gene flow between the northern and the southern Mid-Atlantic Ridge (MAR) and disconnect a northern from a southern biogeographic province. To te...

BACKGROUND Magnitude of current of injury (COI) consequent to pacemaker lead fixation is recognized as a predictor of acute lead stability. It is unclear whether dynamic monitoring of COI after lead fixation provides additional information beyond a single assessment performed at the time of fixation. OBJECTIVES This study was aimed to test the hypothesis that the time course of COI is related...

The egg parasitoid Telenomus fariai Costa Lima (Hymenoptera, Scelionidae), is reported for the first time in Veracruz, Mexico. was discovered 2019 during a field collection of Triatoma dimidiata L. (Hemiptera, Reduviidae), representing report its association with Tr. This species here redescribed and sequencing portion cytochrome oxidase 1 gene (COI) performed to facilitate future identificatio...

A study of the mealybug genus Planococcus Ferris, 1950 (Hemiptera, Coccomorpha, Pseudococcidae) known from China is presented and 12 species are recognised. Of these, camelliae Zhang, sp. nov. described as new to science based on morphology adult female, P. bambusifolii (Takahashi, 1951) recorded for first time. Molecular analyses mitochondrial gene cytochrome c oxidase subunit I (COI) a key in...

Since October 2019, chinch bugs have been detected in large sunken dead patches of St. Augustinegrass (Stenotaphrum secundatum) lawns different locations Lisbon and Setubal districts, Portugal. Based on morphological molecular studies, using mitochondrial Cytochrome C Oxidase subunit I (COI) gene, the collected insects were identified as Blissus insularis (Hemiptera, Heteroptera, Blissidae). Th...

In southern West Siberia, as many as four Leptidea Billberg, 1820 species are present sympatrically: Leptideaamurensis (Ménétriés, 1859), Leptideamorsei (Ménétriés, 1859), Leptideasinapis (Linnaeus, 1758) and Leptideajuvernica Williams, 1946. The two latter were recently recognised as nearly sibling species on morphological and molecular characters. Specimens intermediate as to their subtle dia...

Objective. While declarations of conflicts of interest (COI) have become an integral part of medical articles, COIs are often not declared completely and accurately. One of several possible reasons for deficient COI declarations is the lack of standardized and comprehensive COI forms. In 2010, the International Committee of Medical Journal Editors (ICMJE) introduced a COI form using clear defin...

D ipterans are attracted to and colonize decomposing corpses immediately after death. From the forensic perspective, their identification is mandatory for postmortem interval estimation. Morphological identification may be difficult or even impossible. Thus, molecular identification has been suggested as an alternative. Many workers suggested that the cytochrome oxidase I (COI) gene is the most...