Results 121 to 130 of about 213,756 (303)

The Siricidae (Hymenoptera: Symphyta) of Florida [PDF]

open access: yes, 2013
The six species of Siricidae (Hymenoptera: Symphyta) occurring in Florida and one species of regulatory concern introduced to North America are reviewed.
Leavengood, John M., Jr.   +1 more
core   +3 more sources

Sequence of Immunological Events During IgE‐Mediated Allergic Reactions to Food

open access: yesAllergy, EarlyView.
ABSTRACT Food allergies (FA) represent a significant global health burden. Upon allergen re‐exposure, allergic patients exhibit a sequence of symptoms that vary in terms of affected organ systems, severity, time of onset and allergen reactivity thresholds.
N. A. Nagy   +7 more
wiley   +1 more source

Nuevos datos para las especies de Ceratinini de España y Portugal, con una clave para su identificación (Hymenoptera, Apoidea, Xylocopinae)

open access: yesGraellsia, 2004
Se ha realizado una revisión de las especies españolas y portuguesas de la tribu Ceratinini, basada en el estudio tanto de diversas colecciones entomológicas como de la información bibliográfica disponible.
Michael Terzo   +1 more
doaj   +1 more source

Hymenoptera.

open access: yes, 1956
xBio:D Automated ...
openaire   +1 more source

Effect of Intramuscular Adrenaline on Histamine‐Induced Hypotension: A Randomised Placebo‐Controlled Pilot Trial

open access: yesAllergy, EarlyView.
Histamine infusions induce reproducible severe hypotension. Intramuscular adrenaline showed ‘supposedly therapeutic’ plasma concentrations but did not produce a sustained clinically relevant improvement in shock in the majority of recipients. These findings question adrenaline pharmacokinetic surrogate thresholds and support the need for faster and ...
Matthias Weiss‐Tessbach   +12 more
wiley   +1 more source

Larra bicolor Fabricius (Hymenoptera: Crabronidae): its distribution throughout Florida [PDF]

open access: yes, 2009
We document the presence of Larra bicolor Fabricius (Hymenoptera: Crabronidae) in 46 of Florida's 67 counties. The species is represented by two stocks.
Blount, Ann C.   +4 more
core  

Taxonomic and functional diversity of urban bees of the world

open access: yesConservation Biology, EarlyView.
Abstract Bees play a pivotal role in terrestrial environments. Urbanization can affect these organisms and the ecosystem services they provide. However, knowledge of the global diversity of urban bees is limited. Thus, we summarized data on urban bee species identities and occurrences; compared distributions of all bees with those found in urban ...
João C. F. Cardoso   +10 more
wiley   +1 more source

Coinvasional disruptions to island pollinator networks

open access: yesConservation Biology, EarlyView.
Abstract Biological invasions can adversely affect pollinator diversity by threatening the maintenance of animal‐pollinated plant communities. Although most studies have examined single invasive species, accelerating species introductions driven by global trade highlight the need to understand how multiple co‐occurring invaders jointly influence ...
Marta Quitián   +5 more
wiley   +1 more source

Pollination and breeding system of Couepia uiti (Mart. and Zucc.) Benth (Chrysobalanaceae) in the Pantanal da Nhecolândia

open access: yesBrazilian Journal of Biology
The pollination biology and breeding system of Couepia uiti was studied. In this species, flowers opened at 06:00 AM anthesis, and nectar production began at around 0800 h, reached a maximum volume from 09:30 AM to 10:30 AM, and decreased thereafter. The
HF Paulino-Neto
doaj   +1 more source

Adding to the fauna of digger wasps (Hymenoptera: Apoidea: Sphecidae) from Kerman province, Iran

open access: yesJournal of Crop Protection, 2021
New data on the distribution of eight Sphecid wasps species (Hymenoptera: Apoidea: Sphecidae) collected from different localities in southern areas of Kerman province (southeast Iran) are presented.
Zahra Ghaderipour   +4 more
doaj  

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