Interactions within pairs of biological control agents on water hyacinth, Eichhornia crassipes

2013 ◽  
Vol 67 (3) ◽  
pp. 483-490 ◽  
Author(s):  
Danica Marlin ◽  
Martin P. Hill ◽  
Marcus J. Byrne
Keyword(s):  
Biological Control ◽  
Water Hyacinth ◽  
Eichhornia Crassipes ◽  
Biological Control Agents

Acigona infusella (Walker) (Lepidoptera: Pyralidae), an agent for biological control of waterhyacinth (Eichhornia crassipes) in Australia

1983 ◽  
Vol 73 (4) ◽  
pp. 625-632 ◽  
Author(s):  
D. P. A. Sands ◽  
R. C. Kassulke
Keyword(s):  
Biological Control ◽  
Host Specificity ◽  
Eichhornia Crassipes ◽  
Larval Mortality ◽  
Egg Mass ◽  
South American ◽  
Biological Control Agents ◽  
Pontederia Cordata ◽  
Mass Size ◽  
Lepidoptera Pyralidae

AbstractThe biology and host specificity of a South American moth, Acigona infusella (Wlk.), were studied in quarantine facilities in Australia. In choice tests on the host specificity of A. infusella, slight feeding by larvae occured on ginger, lettuce, banana, bullrush (Typha orientalis) and water primrose (Ludwigia peploides), but in starvation tests only waterhyacinth (Eichhornia crassipes) and pickerel weed (Pontederia cordata) supported complete development. A decrease in larval mortality and increase in egg-mass size of A. infusella occured when a microsporidian, Vairimorpha sp.; infecting the colony was eliminated, suggesting that these insects may then perform more effectively as biological control agents in Australia than in South America. The damage to waterhyacinth cause bu larvae of A. infusella may complement attack by other biological control agents already established in Australia.

Eichhornia crassipes (water hyacinth).

2021 ◽  
Author(s):  
Julissa Rojas-Sandoval ◽  
Pedro Acevedo-Rodríguez
Keyword(s):  
Biological Control ◽  
Water Hyacinth ◽  
Management Strategy ◽  
Eichhornia Crassipes ◽  
Aquatic Plant ◽  
Integrated Management ◽  
Rice Paddy ◽  
The World ◽  
Rice Paddy Fields

Abstract E. crassipes, a native of South America, is a major freshwater weed in most of the frost-free regions of the world and is generally regarded as the most troublesome aquatic plant (Holm et al., 1997). It has been widely planted as a water ornamental around the world because of its striking flowers. Wherever it has encountered suitable environmental conditions it has spread with phenomenal rapidity to form vast monotypic stands in lakes, rivers and rice paddy fields. Then it adversely affects human activities (fishing, water transport) and biodiversity. It is impossible to eradicate, and often only an integrated management strategy, inclusive of biological control, can provide a long-term solution to this pest.

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