Results 41 to 50 of about 14,828 (226)

A Local Replacement of \u3ci\u3eBombus Ternarius\u3c/i\u3e by \u3ci\u3eBombus Terricola\u3c/i\u3e in Northern Wisconsin (Hymenoptera: Apidae) [PDF]

open access: yes, 2017
During the last few years, the bumblebee Bombus ternarius Say has markedly decreased in numbers in Vilas County in northern Wisconsin while Bombus terricola Kirby has increased. The great ecological similarity of these species suggests that interspecific
Thomson, James D
core   +2 more sources

Metabarcoding of Pollen Carried by Syrphids Reveals Novel Plant–Pollinator Interactions in a Protected Natural Area and Agricultural Sites

open access: yesEntomologia Experimentalis et Applicata, EarlyView.
Using DNA metabarcoding, this study investigates pollen transported by syrphids (Syrphidae) in the Dolomiti Bellunesi National Park and agricultural sites in Northern Italy. The analysis reveals a high diversity of visited plant taxa, including previously undocumented plant–pollinator interactions.
Serena Magagnoli   +6 more
wiley   +1 more source

Sobre una nueva especie catalana del género Hieracium L. (Asteraceae) [PDF]

open access: yes, 2016
Se proponen una nueva especie del género Hieracium L. (Compositae, Lactuceae) en el norte de Cataluña.New species of Hieracium L. (Asteraceae, Lactuceae) in Catalonia (NE Spain). Here we describe a new species of Hieracium L.
Mateo Sanz, Gonzalo, Sáez, Llorenç
core  

Arguments for and against self and non-self root recognition in plants [PDF]

open access: yes, 2014
Root–root interaction research gained more and more attention over the past few years. Roots are pivotal for plant survival because they ensure uptake of water and nutrients.
Depuydt, Stephen
core   +2 more sources

Potential Benefit of Predator Exclusion Fence for the Threatened Ground Wētā Hemiandrus fabella

open access: yesNew Zealand Journal of Zoology, Volume 53, Issue 2, June 2026.
Although conservation practitioners in Aotearoa New Zealand are world‐leaders in predator exclusion fencing for threatened species conservation, the degree to which fences protect invertebrates has not been extensively studied, especially in non‐forested environments.
Madeline M. Pye   +2 more
wiley   +1 more source

Dietary Overlap of Sympatric Polyphagous Alpine Grasshoppers Includes Invasive Plant Species

open access: yesEcology and Evolution, Volume 16, Issue 5, May 2026.
The diets of three sympatric grasshopper species were compared using mandible morphological analysis, microhistological examination, and DNA metabarcoding of gut contents. Although mandible morphology differed across species and sexes, dietary divergence was not evident.
Mari Nakano   +3 more
wiley   +1 more source

Characterization and Dynamics of Repeatomes in Closely Related Species of Hieracium (Asteraceae) and Their Synthetic and Apomictic Hybrids

open access: yesFrontiers in Plant Science, 2020
The repetitive content of the plant genome (repeatome) often represents its largest fraction and is frequently correlated with its size. Transposable elements (TEs), the main component of the repeatome, are an important driver in the genome ...
Danijela Zagorski   +6 more
doaj   +1 more source

Global and Regional IUCN Red List Assessments: 2 [PDF]

open access: yesItalian Botanist, 2016
In this contribution the conservation status assessment of six plant species according to IUCN categories and criteria are presented. It includes the assessment at global level of Charybdis glaucophylla Bacch., Brullo, D’Emerico, Pontec.
Giuseppe Fenu   +20 more
doaj   +2 more sources

Twenty new species of Hieracium sect. Tridentata and H. sect. Foliosa (Asteraceae) from Sweden

open access: yesNordic Journal of Botany, Volume 2026, Issue 5, May 2026.
Nineteen new, presumably apomictic species of Hieracium sect. Tridentata, namely Hieracium anisodontum, H. bicoloriceps, H. disparifolium, H. ditrichum, H. erectifolium, H. ferox , H. lapsanae, H. luteoviride, H. megaplicatum, H. multifolium, H. paer‐haraldii, H. perpendiculum, H. phaeochlorum, H. prasiniceps, H. semirigidum, H.
Tommy Nilsson, Torbjörn Tyler
wiley   +1 more source

Aportaciones al conocimiento del género Hieracium L. en España, XVIII [PDF]

open access: yes, 2015
Se proponen 3 especies nuevas para el género Hieracium L. (Compositae, Lactuceae) en el Sistema Ibérico (E de España).Here are described 3 new species of Hieracium L.
Mateo Sanz, Gonzalo
core  

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