Few studies to date have investigated the impact of Pleistocene climatic oscillations on the genetic diversity of cold-adapted species. We focus on the geographic distribution of genetic diversity in a Euro-Siberian boreo-montane leaf beetle, Gonioctena pallida. We present the molecular variation from three independent gene fragments over the entire geographic range of this insect. The observed...

Flooding the intercellular air spaces of leaves with water was shown to cause rapid closure of stomata in Tradescantia pallida, Lactuca serriola, Helianthus annuus, and Oenothera caespitosa. The response occurred when water was injected into the intercellular spaces, vacuum infiltrated into the intercellular spaces, or forced into the intercellular spaces by pressurizing the xylem. Injecting 50...

Description of anew Harutaeographa Yoshimoto, 1993 species, Harutaeographa shuisp. n. from China's Sichuan province, is given. Harutaeographa yangzisherpani transformis Hreblay & Ronkay, 1999 is combined as a synonym of Harutaeographa yangzisherpani yangzisherpani Hreblay & Ronkay, 1999. Additional distributional data for Harutaeographa pallida Yoshimoto, 1993, and Harutaeographa cinerea Hrebla...

Lampromyia bellasiciliae sp. n. is described from Sicily, Italy. The new species belongs to the pallida subgroup and is differentiated from related taxa in a dichotomous identification key. DNA barcodes for eight of the currently recognised ten Palaearctic species of Lampromyia are provided, and the calculated genetic distances between the taxa and species groups/subgroups are discussed. New di...

HIGHLIGHTS Tradescantia pallida has shown promising antibacterial, antioxidant and anticancer activities. Botanical extract products are environmentally friendly, inexpensive may reduce losses by discouraging pathogen growth. HE-TP was highly active in vitro assays against P. digitatum, S. sclerotiorum R. stolonifer. demonstrated cytotoxic activity different human tumor cell lines. The major co...

A case of gynandromorphy is reported for the first time Centris pallida Fox, a bee species found predominantly in deserts southwestern United States and northern Mexico. This specimen marks only second report gynandromorph within tribe oil-collecting bees, Centridini, Fabricius. The exhibits mosaic gynandromorphy, with male female characteristics randomly distributed throughout body. Males C. a...