SU(3) Einstein-Yang-Mills-Dilaton Sphalerons and Black Holes

SU(3) Einstein-Yang-Mills-dilaton theory possesses sequences of static spherically symmetric sphaleron and black hole solutions for the SU(2) and the SO(3) embedding. The solutions depend on the dilaton coupling constant $\gamma$, approaching the corresponding Einstein-Yang-Mills solutions for $\gamma \rightarrow 0$, and Yang-Mills-dilaton solutions in flat space for $\gamma \rightarrow \infty$. The sequences of solutions tend to Einstein-Maxwell-dilaton solutions with different magnetic charges. The solutions satisfy analogous relations between the dilaton field and the metric for general $\gamma$. Thermodynamic properties of the black hole solutions are discussed.Comment: LATEX, 21 pages, including 6 figure

Two new species of Diostracus Loew, 1861 (Diptera: Dolichopodidae) from the Caucasus with a key to species from the region

Diostracus khevsureticus sp. n. from highlands of Georgia and D. osseticus sp. n. from highlands of South Ossetia are described and illustrated and associated with the subgenus Lagodechia Negrobov et Tsurikov, 1996, comprising now three Caucasian species and three species from Oriental China. Diostracus kustovi Grichanov, 2013 is frstly recorded from Georgia. A key to fve Diostracus Loew, 1861 species known from the Caucasus is provided