Results 111 to 120 of about 85,990 (369)

‘Candidatus Phytoplasma solani’: From infection to all‐round characterisation of distinct tuf‐type strains with different virulence in tomato plants

open access: yesAnnals of Applied Biology, EarlyView.
‘Candidatus Phytoplasma (Ca. P.) solani’ is associated with bois noir (BN) of grapevine and stolbur of solanaceous plants and is primarily transmitted by Hyalesthes obsoletus Signoret. Four tuf‐a and five tuf‐b1 ‘Ca. P. solani’ strains were transmitted to tomato plants (cv. Micro‐Tom) by using bait‐plants and by capturing H.
Gaia Carminati   +7 more
wiley   +1 more source

Comparative Morphology and Morphometry of Six Biotypes of Bemisia tabaci (Hemiptera: Aleyrodidae) from China

open access: yesJournal of Integrative Agriculture, 2013
Morphology and morphometry of six biotypes (B, Q, Cv, ZHJ-1, ZHJ-2 and ZHJ-3) of Bemisia tabaci (Gennadius) from China on cotton plants were studied by using microscopes. Nymphal body sizes and characters were measured and observed, especially on the 4th
Jing-jing LI   +6 more
doaj   +1 more source

\u3ci\u3eNeurocordulia (Platycordulia) Xanthosoma\u3c/i\u3e (Williamson) in Texas (Odonata: Libellulidae: Corduliinae) [PDF]

open access: yes, 2017
(excerpt) The rarity of a species is usually judged by the number of specimens in collections, both private and institutional, and the number of places where it has been found or seen. On this basis, Neurocordulia xanthosoma (Williamson) is rare.
Williams, Curtis E
core   +2 more sources

Anholocyclic overwintering of Myzus persicae: Host plant selection as a driver for aphid performance and survival

open access: yesAnnals of Applied Biology, EarlyView.
The green peach aphid, Myzus persicae, is the main virus vector in sugar beet. We examine its performance on potential winter hosts as well as the host selection and overwintering success of anholicyclic aphids in order to improve forecasting models for virus outbreaks through targeted monitoring of suitable winter hosts. Abstract Virus yellows (VY) is
Mohamed Matared   +2 more
wiley   +1 more source

Avaliação de Inseticidas no Controle de Thaumastocoris peregrinus (Hemiptera: Thaumastocoridae) Percevejo-bronzeado em Condições de Laboratório

open access: yesFloresta e Ambiente
RESUMO O estudo objetivou avaliar a eficiência de inseticidas no controle de Thaumastocoris peregrinus em laboratório. Para tanto, 15 plantas de Eucalyptus dunnii receberam aplicações a campo de: imidacloprido - 78,8 (g/ha), tiametoxam - 37,5 (g/ha ...
Dayanna do Nascimento Machado   +6 more
doaj   +1 more source

Exploring hymenopteran parasitoid communities and their hosts: A comparative study of farmland and semi‐natural ecotones with focus on pentatomoid bugs and their antagonists

open access: yesAgricultural and Forest Entomology, EarlyView.
Farmland ecotones support high parasitoid diversity, despite lower arthropod richness compared to semi‐natural habitats. Farmland ecotones support high pentatomoid bug abundance, while pentatomoid parasitoids were equally abundant and diverse in both ecotones.
Lisa Obwegs   +4 more
wiley   +1 more source

Alberprosenia malheiroi Serra, Atzingen & Serra, 1987 (Hemiptera, Reduviidae): redescrição e bionomia

open access: yesRevista de Saúde Pública
Sobre Alberprosenia malheiroi n. sp. deu-se a conhecer uma diagnose resumida em 1980, porém sem valor bibliográfico. Em 1987 publicou-se a mesma diagnose anexando uma foto e alguns comentários, porém sem realizar uma descrição formal.
Rodolfo U. Carcavallo   +3 more
doaj  

Life cycle and reproductive parameters of Clerada apicicornis signoret (Hemiptera: Lygaeidae) under laboratory conditions

open access: yesMemorias do Instituto Oswaldo Cruz, 2001
The life cycle of Clerada apicicornis was determined under laboratory conditions. Mean development times in days were: egg 27.2, nymph I 12.5, nymph II 12, nymph III 13.4, nymph IV 16.4, nymph V 26.
Estrella Cárdenas   +2 more
doaj   +1 more source

Leksykalne wyrażenie miłości konceptualnej w twórczości Teokryta [PDF]

open access: yes, 2014
Ze wszystkich emocji i uczyć właściwych człowiekowi Teokryt najwięcej uwagi poświęca miłości. Do jej opisu autor wykorzystuje bogatą leksykę, ilustrującą stany psychiczne człowieka.
Ivashkiv-Vashchuk, Oryslava
core  

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