Results 51 to 60 of about 83,493 (349)

Morphological description of Amblyomma brasiliense Aragão, 1908 (Acari: Ixodidae) larvae and nymphs Descrição morfológica de larvas e ninfas de Amblyomma brasiliense Aragão, 1908 (Acari: Ixodidae)

open access: yesRevista Brasileira de Parasitologia Veterinária, 2009
The immature stages of Neotropical ticks are poorly known and in many cases have not been described. This work presents a morphological description of Amblyomma brasiliense larvae (F1) and a redescription of nymphs (F1). A. brasiliense is reported as one
Gustavo Seron Sanches   +2 more
doaj   +1 more source

Aphrophoridae as Potential Vectors of Xylella fastidiosa in Tunisia

open access: yesInsects, 2023
The present study is an update on the situation of potential vectors of Xylella fastidiosa in Tunisia. Investigations in nine Tunisian regions (Nabeul, Bizerte, Béja, Jendouba, Zaghouan, Kairouan, Ben Arous, Tunis and Manouba) from 2018 to 2021 allowed ...
Sonia Boukhris-Bouhachem   +4 more
doaj   +1 more source

Algorithms, nymphs, and shepherds

open access: yesTheoretical Computer Science, 2002
AbstractComputability and complexity are the two major lines along which the science of algorithms has evolved; but the same concepts guide many human activities. We try to catch some glimpses of the connections between these two worlds, to meet the expectations of the audience. We will encounter nymphs and universal Turing Machines, ancient traditions
openaire   +4 more sources

The price of protection: a defensive endosymbiont impairs nymph growth in the bird cherry‐oat aphid, Rhopalosiphum padi

open access: yesInsect Science, 2018
Bacterial endosymbionts have enabled aphids to adapt to a range of stressors, but their effects in many aphid species remain to be established. The bird cherry‐oat aphid, Rhopalosiphum padi (Linnaeus), is an important pest of cereals worldwide and has ...
D. Leybourne   +3 more
semanticscholar   +1 more source

The Effects of Different Diets and Transgenerational Stress on Acyrthosiphon pisum Development. [PDF]

open access: yes, 2019
Despite the fact that sap-feeding hemipterans are major agricultural pests, little is known about the pea aphid's (Acyrthosiphon pisum) nymphal development, compared to other insect models. Given our limited understanding of A.
Hansen, Allison K, Pers, Daniel
core   +1 more source

Modeling the effects of variable feeding patterns of larval ticks on the transmission of Borrelia lusitaniae and Borrelia afzelii [PDF]

open access: yes, 2017
Spirochetes belonging to the Borrelia burgdoferi sensu lato (sl) group cause Lyme Borreliosis (LB), which is the most commonly reported vector-borne zoonosis in Europe. B. burgdorferi sl is maintained in nature in a complex cycle involving Ixodes ricinus
Bertolotti, Luigi   +5 more
core   +2 more sources

The mayfly nymph Austrophlebioides pusillus Harker defies common osmoregulatory assumptions

open access: yesRoyal Society Open Science, 2017
Osmoregulation is a key physiological function, critical for homeostasis. The basic physiological mechanisms of osmoregulation are thought to be well established.
R. Dowse   +4 more
semanticscholar   +1 more source

Genome Mining Reveals a Novel Nephthenol‐Producing Diterpene Synthase from the Sandfly Lutzomyia Longipalpis

open access: yesChemBioChem, EarlyView.
The discovery of a terpene synthase of insect origin that makes the apparently cryptic product nephthenol from geranylgeranyl diphosphate sheds light on hidden biosynthetic potential. Populations of the sandfly, Lutzomyia longipalpis, use the diterpene sobralene as a sex/aggregation pheromone, which is likely produced in the insect through the activity
Charles Ducker   +6 more
wiley   +1 more source

Preliminary studies on food and feeding habits of Polypterus endlicheri and Polypterus senegalus in Lake Chad [PDF]

open access: yes, 2004
The food and feeding habits of Polyprerus cncllicheri and Polypterus senegalus was carried out in the months of September to October. The food of 33 Polypierus endlicheri as observed include Tilapia species (89.3%), Eutropius niloticus (28.6%), Mayfly
Maryam, Ahmed T.   +2 more
core  

The women honoured in flowering plant genera: From myth to reality

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Many flowering plant genera are named for people, but there is a gender gap in this naming, with only 6% of eponyms honouring women. Here we explore this gap by examining in detail women for whom plant genera are named. Our open shared dataset serves to make women honoured in plant genera more discoverable, resulting in further impact by allowing ...
Sabine von Mering   +6 more
wiley   +1 more source

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