Results 61 to 70 of about 882 (122)

The effect of water nutrients on weevil herbivory and development on water hyacinth [PDF]

open access: yes, 2016
A research report submitted to the Faculty of Science,University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirements for the degree of Master of Science.
Mukarugwiro, Jeanne d' Arc
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Curculionídeos (Insecta, Coleoptera) associados as macrófitas aquáticas no Pantanal mato-grossense e Amazonia Central : taxonomia, ecologia, testes alimentares e de mergulho [PDF]

open access: yes, 2008
Orientador : Germano Henrique Rosado-NetoCo-orientador : Marinêz Isaac Marques e Joachim Ulrich AdisTese (doutorado) - Universidade Federal do Paraná, Setor de Ciências Biológicas, Programa de Pós-Graduação em Ciencias Biológicas (Entomologia).
Sousa, Wesley Oliveira de
core   +2 more sources

Persebaran Agens Hayati Neochetina spp. (Coleoptera: Curculionidae) Di Jawa Barat Dan DKI Jakarta [PDF]

open access: yes, 2012
The establishment of Neochetina spp. as biocontrol agent of waterhyacinth are related to the weevil’s ability to disperse and to increase their population sizes. The objective of this research was to study the distribution and abundance of Neochetina spp.
., SAPDI   +4 more
core   +1 more source

Investigations into insect-induced plant responses of water hyacinth (Eichhornia crassipes (Mart.) Solms-Laub.) (Pontederiaceae) [PDF]

open access: yes, 2015
The water hyacinth (Eichhornia crassipes (Mart.) Solms-Laub (Pontederiaceae)) biological control programme makes use of tight plant-insect interactions to control the weed, by reestablishing the interactions between the plant and its natural enemies ...
May, Bronwen
core   +1 more source

"Is more, less?" : insect-insect interactions in a biological control context using water hyacinth as a model [PDF]

open access: yes, 2012
Interactions between insects have been shown to be important regulators of population abundances and dynamics as well as drivers of spatial segregation and distribution. These are important aspects of the ecology of insects used in biological control and
Weyl, Philip Sebastian Richard
core   +1 more source

A study on the interaction between two weevils Neochetina eichhorniae and N. bruchi, and the mirid Eccritotarsus catarinensis, as biological control agents of water hyacinth Eichhornia crassipes [PDF]

open access: yes, 2009
Water hyacinth Eichhornia crassipes (Martius) Solms-Laubach is an invasive floating aquatic weed pest of South American origin that was distributed around the world primarily because of its attractive purple flowers.
Obinna, Ajuonu
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