Results 1 to 10 of about 73,287 (170)

Review of the genera and subgenera of the subtribe Aspilotina (Hymenoptera, Braconidae, Alysiinae), with a new illustrated key [PDF]

open access: yesZooKeys
The genera and subgenera of the subtribe Aspilotina are reviewed. A new illustrated key to all accepted supraspecies taxa is provided. Grandilota Fischer, 2002, stat. nov. is proposed as subgenus of Aspilota Foerster, 1863.
Francisco Javier Peris-Felipo   +3 more
doaj   +4 more sources

Afrotropical Dirrhopinae (Hymenoptera, Braconidae) with description of three new species [PDF]

open access: yesZooKeys
The rare braconid subfamily Dirrhopinae van Achterberg is formally recorded for the first time from the Afrotropical region. Three new species of Dirrhope Foerster: D. albobasalis Liu & Polaszek, sp. nov., D.
Beibei Zheng   +3 more
doaj   +4 more sources

Helenor Campbell Wilder Foerster

open access: yesIndian Journal of Ophthalmology, 2022
Rolika Bansal   +2 more
doaj   +3 more sources

A contribution to the knowledge of Belytinae (Hymenoptera: Diapriidae) in Hyrcanian forests, with the first record of five genera and species from Iran [PDF]

open access: yesنامه انجمن حشره‌شناسی ایران, 2023
A faunistic survey of the subfamily Belytinae (Hymenoptera: Diaprioidea, Diapriidae) was carried out in northern Iran during 2010-2018. Based on the specimens collected from Golestan, Guilan, and Mazandarean provinces, five genera Diphora Foerster, 1856,
Mohammad Izadizadeh   +5 more
doaj   +1 more source

Salix transect of Europe: patterns in the distribution of willow-feeding psyllids (Hemiptera: Psylloidea) from Greece to arctic Norway [PDF]

open access: yesBiodiversity Data Journal, 2020
BackgroundPsyllids are oligophagous phytophagous insects with many specialist willow (Salix spp.) feeding species in two genera (Cacopsylla and Bactericera). We examine the patterns of distribution and co-occurrence of willow-feeding species at 42 willow
Diana Percy, Quentin Cronk
doaj   +3 more sources

Numerical Modelling of Satellite Downlink Signals in a Finslerian-Perturbed Schwarzschild Spacetime

open access: yesUniverse, 2020
The work presented in this paper aims to contribute to the problem of testing Finsler gravity theories by means of experiments and observations in the solar system. Within a class of spherically symmetric static Finsler spacetimes we consider a satellite
Ingo Abraham   +2 more
doaj   +1 more source

Sistemi viventi alla prova della formazione: Von Foerster e la costruzione del soggetto

open access: yesFormazione & Insegnamento, 2022
L’intento di questo lavoro contributo è offrire una chiave di lettura, oggi, delle posizioni di Heinz von Foerster, sia per il ruolo del soggetto conoscente, sia per le strategie che sostengono la sua cibernetica.
Giorgio Poletti
doaj   +1 more source

Chrysomalla roseri Foerster (Hymenoptera, Chrysolampidae), evidence for occurrence of the family, genus and species in Iran [PDF]

open access: yesJournal of Insect Biodiversity and Systematics, 2023
The family Chrysolampidae Dalla Torre, 1898 and the genus Chrysomalla Foerster, 1859 (Chalcidoidea, Chrysolampidae, Chrysolampinae) are recorded for the first time from Iran where it was represented by one species, Ch. roseri Foerster, 1859.
Hossein Lotfalizadeh   +2 more
doaj  

Revision of the Palaearctic species of Lysitermus Foerster (Hymenoptera, Braconidae, Hormiinae) [PDF]

open access: yesZooKeys, 2021
The three Palaearctic species of Lysitermus Foerster, 1863 (Braconidae, Hormiinae, Lysitermini) are revised. The type species is described for the first time together with both of the other species.
Cornelis van Achterberg   +2 more
doaj   +3 more sources

Foerster resonance energy transfer rate and local density of optical states are uncorrelated in any dielectric nanophotonic medium [PDF]

open access: yes, 2015
Motivated by the ongoing debate about nanophotonic control of Foerster resonance energy transfer (FRET), notably by the local density of optical states (LDOS), we study an analytic model system wherein a pair of ideal dipole emitters - donor and acceptor
Vos, Willem L., Wubs, Martijn
core   +6 more sources

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