Adaptation to new environments is an important issue for invasive species as colonization depends on evolvability in their new distribution range. Here, we considered the case of the whitefly Bemisia tabaci MEAM 1 (Gennadius) (Hemiptera: Aleyrodidae), a pest that has recently invaded Colombia and...

In the subalpine zone on Mt. Hakusan, Japan, Plantago asiatica, an alien plant, and Plantago hakusanensis, a native alpine species, grow sympatrically along with their putative hybrids. Here, their flowering behavior, which affects the frequency of hybridization and the colonizing ability of P....

Premise of study: Polyploid plants, when compared with diploids, show similar molecular, morphological, physiological, and ecological tendencies across unrelated groups, but the degree to which these form "rules" of polyploid evolution are unclear. The Glycine (Leguminosae) allopolyploid complex...

Antarctica is the continent least affected by invasive species, but climate change and increasing human activity are increasing this threat. Antarctic terrestrial ecosystems generally have low biodiversity with simple community structures and little competition for resources. Consequently, species...

A well-established population of Burmese pythons resides in the Everglades of southern Florida. Prompted in part by a report that identified much of southern USA as suitable habitat for expansion or establishment of the Burmese python, we examined the plausibility of this snake to survive winters...

Investigations in greenhouses in NW Russia in 2006-08 identified 17 species of thrips infesting vegetable and ornamental crops during the growing season. These included native species such as Thrips tabaci and Frankliniella intonsa, as well as invasive species such as Frankliniella occidentalis and ...

The potential for maize beetles of the genus Diabrotica becoming acclimatized and established in Ukraine is considered by examining the taxonomic characteristics, morphology, life cycle, optimal temperature requirements for development and overwintering ability of eggs of the pests, and areas of...

Accurate predictions about plant invasions require estimation of demographic and dispersal parameters in low-density, expanding populations. We used inverse modelling on the spatial distribution of seedlings to estimate the effective reproductive rate and dispersal parameters in expanding...

The ability to understand and predict the success of invasive plant species in their new ranges is increased when there is a sympatric native congener available for comparison. Celastrus orbiculatus (oriental bittersweet) is a liana introduced into the United States in the mid-1800s from East Asia...