Results 71 to 80 of about 823 (127)

Biología del Trips Frankliniella Occidentalis (Pegande) (Thysanoptera: thripidae) sobre Crisantemo Chrysanthemum morifolium l. bajo condiciones de laboratorio Developmentaland reproductive biology of Frankliniella Occidentslis (Pegande) (Thysanoptera: thripidae) on Chrysanthemum

open access: yesAgronomía Colombiana, 1989
La especie Frankliniella occidentalis (Pegande) se encontró causando daño a flores de crisantemo en una empresa de la<br />Sabana de Bogotá. Se estudió su biología bajo condiciones de laboratorio (24,31 ± 2,50C y 66,36 ± 12% H.R.).
Cardenas Estrella, Corredor Dario
doaj  

Scientific Opinion on the pest categorisation of Eotetranychus lewisi [PDF]

open access: yes, 2014
The Panel on Plant Health performed a pest categorisation of the Lewis spider mite, Eotetranychus lewisi, for the European Union (EU). The Lewis spider mite is a well-defined and distinguishable pest species that has been reported from a wide range of ...
Baker, Richard   +19 more
core   +1 more source

The Evolution of haplo-diploidy and its consequences for the Red Queen Hypothesis (RQH) [PDF]

open access: yes, 2016
Haplodiploidie tritt bei Insekten, Spinnentieren und Rädertierchen auf. Sie hat sich innerhalb dieser Gruppen mindestens 20 mal unabhängig voneinander und durch unterschiedlichste Mechanismen entwickelt (Normark 2003). Die vorliegende Arbeit beschäftigt
Kidner, Jonathan
core   +1 more source

Reproductive capacity of females Eupelmus vuilleti (Eupelmidae) inseminated by hyperparasitoid males developed upon the primary parasitoid Dinarmus basalis (Pteromalidae). [PDF]

open access: yes, 2005
Eupelmus vuilleti is a primary and solitary ectoparasitoid of the larval stages of Bruchids (Callosobruchus maculatus, Bruchidius atrolineatus). In a context of intense competition for healthy hosts, E.
Bressac, Christophe   +5 more
core   +1 more source

Reproductive parameters of female Varroa destructor and the impact of mating in worker brood of Apis mellifera [PDF]

open access: yes, 2019
During a reproductive cycle, not all daughter mites of Varroa destructor mate and thus leave the brood cells as virgins. Here, we show that virgin mites are present within both the phoretic (10%) and reproductive (8%) mite population. Most (n = 29 of n =
Giacobino, Agostina   +5 more
core   +2 more sources

What haplodiploids can teach us about hybridization and speciation [PDF]

open access: yes, 2015
Most evolutionary theory focuses on species that reproduce through sexual reproduction where both sexes have a diploid chromosome count. Yet a substantial proportion of multicellular species display complex life cycles, with both haploid and diploid life
Filia   +11 more
core   +1 more source

A description of Blatticola ancoracauda (Nematoda, Thelastomatidae) a parasite of cricket (Orthoptera, Gryllidae) with notes of cytogentics from Argentina [PDF]

open access: yes, 2020
Blatticola ancoracauda n. sp. (Oxyurida, Thelastomatidae) a parasite of the cricket Anurogryllus muticus (DeGeer) (Orthoptera, Gryllidae) from Argentina, is described and illustrated.
Camino, Nora Beatriz   +2 more
core  

Molecular and morphological identification of mealybug species (Hemiptera: Pseudococcidae) in Brazilian vineyards. [PDF]

open access: yes, 2019
Mealybugs (Hemiptera: Pseudococcidae) are pests constraining the international trade of Brazilian table grapes. They damage grapes by transmitting viruses and toxins, causing defoliation, chlorosis, and vigor losses and favoring the development of sooty ...
BERNARDI, D.   +7 more
core  

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