Results 1 to 10 of about 60,897 (352)

Investigations into stability in the fig/ fig-wasp mutualism [PDF]

open access: yes, 2010
Fig trees (Ficus, Moraceae) and their pollinating wasps (Chalcidoidea, Agaonidae) are involved in an obligate mutualism where each partner relies on the other in order to reproduce: the pollinating fig wasps are a fig tree’s only pollen disperser ...
Al-Beidh, Sarah, Al-Beidh, Sarah
core   +1 more source

The role of Senescent Stem-Galls over Arboreal Ant Communities Structure in Eremanthus erythropappus (DC.) MacLeish (Asteraceae) Trees

open access: yesSociobiology, 2017
The extensive occupation of canopy trees by ants can be attributed to many factors, such as the presence of structures that provide food and shelter.
Leonardo Rodrigues dos Santos   +2 more
doaj   +1 more source

Algorithms for Visualizing Phylogenetic Networks

open access: yes, 2016
We study the problem of visualizing phylogenetic networks, which are extensions of the Tree of Life in biology. We use a space filling visualization method, called DAGmaps, in order to obtain clear visualizations using limited space.
A Arvelakis   +18 more
core   +1 more source

The Anthonomus juniperinus group, with descriptions of two new species (Coleoptera: Curculionidae) [PDF]

open access: yes, 2010
The Anthonomus juniperinus (Sanborn) species group is defined and two new species, Anthonomus sanborni, new species, and A. rileyi new species, from the United States are described, keyed and illustrated.
Burke, Horace R., Clark, Wayne E.
core   +2 more sources

Poplar Tree Response to Feeding by the Petiole Gall Aphid Pemphigus spyrothecae Pass

open access: yesInsects, 2020
Pemphigus spyrothecae Pass. which is a member of the subfamily Pemphiginae is one of the gall-inducing aphids that occurs on poplar trees. Phloem feeding of a founding mother on leaf petiole results in the formation of a new organ, i.e., the spiral gall.
Izabela Kot, Katarzyna Kmieć
doaj   +1 more source

An early record of Meloidogyne fallax from Ireland [PDF]

open access: yes, 2017
Root-knot nematodes, Meloidogyne spp., cause huge economic losses worldwide. Currently, three Meloidogyne spp. are present on the quarantine A2 list of EPPO, M. chitwoodi, M. fallax and M. enterolobii. As a quarantine organism, M.
Bert, Wim   +4 more
core   +3 more sources

Human adenocarcinoma cell line sensitivity to essential oil phytocomplexes from pistacia species: A multivariate approach [PDF]

open access: yes, 2017
Principal component analysis (PCA) multivariate analysis was applied to study the cytotoxic activity of essential oils from various species of the Pistacia genus on human tumor cell lines.
Buriani, Alessandro   +7 more
core   +1 more source

Regulation and Functions of Long Noncoding RNAs During Meloidogyne incognita Parasitism of Tomato

open access: yesMolecular Plant-Microbe Interactions
Long noncoding RNAs (lncRNAs) are emerging as important regulators of various aspects of immune response and plant-pathogen interactions. However, the regulatory function of lncRNAs during plant-nematode interaction remains largely elusive. In this study,
Selin Ozdemir   +5 more
doaj   +1 more source

Extremely Long-Closed Galls of a Social Aphid

open access: yesPsyche: A Journal of Entomology, 2009
The aphid Nipponaphis monzeni (Hormaphidinae, Nipponaphidini) forms large, hard, completely closed galls on the evergreen Distylium racemosum, its primary host, in south-western Japan.
Utako Kurosu, Shigeyuki Aoki
doaj   +1 more source

Preliminary studies on the damage to the leaves of beech (Fagus sylvatica L.) caused by insects and mites in the Cisów-Orłowiny Landscape Park

open access: yesEnvironmental Protection and Natural Resources, 2020
In Poland and most of the areas of Europe, the beech, that is, Fagus sylvatica L. is one of the most vital species found in the species composition of forests.
Baćkowska Magdalena   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy