The Life History Traits of the Arctiine MothPareuchaetes insulata, a Biological Control Agent ofChromolaena odoratain South Africa

2014 ◽  
Vol 22 (3) ◽  
pp. 611-624 ◽  
Author(s):  
O.O. Uyi ◽  
C. Zachariades ◽  
M.P. Hill
Author(s):  
Lucie Marquereau ◽  
Jean-Sébastien Cottineau ◽  
Olivier Fontaine ◽  
Frédéric Chiroleu ◽  
Bernard Reynaud ◽  
...  

Abstract Whiteflies are one of the major pests of tomato under greenhouses, and their control partly relies on biocontrol strategies. Among those biocontrol agents, parasitoids or predators are widely used. However, the introduction of a biocontrol agent in a new area is not trivial. For that reason, we investigated the use of a tropical native mirid, Nesidiocoris volucer (Hemiptera: Miridae), for the biological control of whiteflies among other insect pests on tomato crops under greenhouses in the subtropical island of La Réunion, France. Nesidiocoris volucer life history traits and plant injury were examined. Nymphs developed and survived between 15 and 30°C and required on average 49.41 days at 15°C and on average 10.50 days at 30°C to develop (nymph survival >94%). At 25°C, each female produced on average 65 eggs. Nesidiocoris volucer was able to feed on several prey species, but performed better on whiteflies than on spider mites or thrips. No N. volucer feeding injury was observed on tomato. Nesidiocoris volucer has also been found in tropical countries of Africa, and we believe that the data presented on this natural enemy could be of great importance for the biocontrol of whiteflies in tropical areas.


2018 ◽  
Vol 28 (5) ◽  
pp. 468-485 ◽  
Author(s):  
Grant D. Martin ◽  
Julie A. Coetzee ◽  
Mellissa Lloyd ◽  
Sinoxolo E. Nombewu ◽  
Mpilonhle S. Ndlovu ◽  
...  

Author(s):  
T. V. Andrianova

Abstract A description is provided for Stagonospora atriplicis, a potential biological control agent of Atriplex and Chenopodium weeds. Information is included on the disease caused by the organism, its transmission, geographical distribution (Kenya, South Africa, Zimbabwe, Canada, USA, Colombia, Cyprus, Georgia, Kyrgyzstan, Russia, Australia, New Zealand, Austria, Belgium, Bulgaria, Czech Republic, Estonia, France, Germany, UK, Hungary, Italy, Latvia, Romania, Sweden, Ukraine and Hawaii) and hosts (Allenrolfea occidentalis, Atriplex spp., Chenopodium spp. and Syzygium guineense).


2005 ◽  
Vol 6 (1) ◽  
pp. 25 ◽  
Author(s):  
N. Osterbauer ◽  
A. Trippe ◽  
K. French ◽  
T. Butler ◽  
M. C. Aime ◽  
...  

Phragmidium violaceum occurs on several species of Rubus, including R. armeniacus, R. fruticosus agg., and R. laciniatus, in Europe, South Africa, Iran, and Iraq, and has been introduced as a biological control agent for invasive blackberries in Australia, New Zealand, and Chile. To our knowledge, this is the first official report of P. violaceum infecting Himalaya and evergreen blackberries in North America. Accepted for publication 16 September 2005. Published 23 September 2005.


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