0000000000985939
AUTHOR
Anna Kocorek
A new species of the genus Cyclopelta (Hemiptera: Dinidoridae) from Thailand, with a key to its Oriental species
Cyclopelta gibbosasp. nov., a new species of dinidorid bug is described from Thailand and compared with Cyclopelta obscura. It is the ninth Oriental species of the genus, and the fourth known species from Thailand. A key to all the Oriental species of the genus Cyclopelta is also provided. The type specimens are deposited with the Smithsonian National Museum of Natural History, Washington, USA, and the Department of Biosystematics, Opole University, Poland.
Systematic position of Dinidoridae within the superfamily Pentatomoidea (Hemiptera: Heteroptera) revealed by the Bayesian phylogenetic analysis of the mitochondrial 12S and 16S rDNA sequences
Mitochondrial 12S and 16S rDNA sequences of five species of Dinidoridae Stål, 1868, a largely Paleotropical family, and 16 other shield bugs (Pentatomoidea) were studied. This was the first molecular examination of the systematic position of this family within the superfamily Pentatomoidea using more than a single dinidorid species. Phylogenetic trees obtained from the Bayesian inference of 12S and 16S sequences of these mitochondrial DNA, identified Dinidoridae as the monophylum and a sister group to the Tessaratomidae. Moreover, results of the study suggested a close molecular affinity of the genus Eumenotes to representatives of the subfamily Dinidorinae, which contradicts all previous m…
New Afrotropical species of the genus Coridiellus J.A. Lis, 1990 with a key to its species (Hemiptera: Heteroptera: Dinidoridae)
Coridiellus pseudocyclopeltus, a new species of the dinidorid subfamily Dinidorinae, is described from Zaire and is compared with Coridiellus cyclopeltus (Distant, 1890). It is the seventh species of this genus known from Afrotropical Region. A key to all the species of the genus Coridiellus is also provided. Male parameres are used for identification and their photographs are given for the first time for all species of the genus.
New insight into the systematic position of the endemic Madagascan genus Amberiana (Hemiptera: Heteroptera: Dinidoridae) using 12S rDNA sequences
The systematic position of the endemic Madagascan genus Amberiana Dist. İs studied using DNA sequences (the mitochondrial 12S rDNA subunit) for the first time. The phylogenetic relationships within the superfamily Pentatomoidea were computed using neighbor-joining, maximum parsimony, minimum evolution, and maximum likelihood methods, as well as Bayesian estimation. All results based on the mtDNA analyses stand in contrast with previous morphological data. The mtDNA analysis showed close relationships of the genus Amberiana to the genus Sehirus (Cydnidae: Sehirinae) and to species of the family Parastrachiidae, whereas the morphology indicated that the genus was a typical representative of t…
Megymenum tuberculatum, a new species of Megymenini from Java and a review of distribution of M. brevicorne (Hemiptera: Heteroptera: Dinidoridae)
Megymenum tuberculatum Hemala & Kocorek, sp. nov. (Hemiptera: Heteroptera: Dinidoridae: Megymeninae: Megymenini) from Java (Indonesia) is described, illustrated and compared with M. brevicorne (Fabricius, 1787). Although the description is based on only one female specimen, the differences in the morphology of head, pronotum, and spermatheca are significant. In addition, M. brevicorne is briefly redescribed and its distribution and biology reviewed along with its first record from Nepal.
Zróżnicowanie uzębienia u nornika zwyczajnego Microtus arvalis Pallas, 1778 z okolic Częstochowy (Wyżyna Śląska)
An analysis of the diversity in the dentition of the common vole, Microtus arvalis, from three localities near Częstochowa (Panki, Przystajń and Mstów) is provided. Populations from these areas were compared to each other in these terms. The teeth were analyzed – the first lower molar (M1) and the upper third molar of the maxilla (M3). Four basic forms of Simplex, Typica, Duplicata and Variabilis were used to study the diversity of the upper tooth. We developed our own model for studying the differentiation of the lower tooth. The present research and a comparison with literature data confirm that the subspecies M. a. duplicatus does occur in the study area.
Transport of dipeptides and phosphono dipeptides through an immobilized liquid membrane. Stereoselectivity of the process
Abstract Dipeptide and phosphono dipeptide hydrochlorides permeated well through a 1-decanol membrane supported in a porous polyethylene hollow fiber matrix. This transfer is easily accomplished either by passive or by carrier-facilitated (with Kryptofixes 222 or 5 present in the membrane phase) transport. The transport is stereoselective with l-l dipeptides being transported faster than their l-d isomers.