scholarly journals Factors influencing the predation rates of Anisops breddini (Hemiptera: Notonectidae) feeding on mosquito larvae

2014 ◽  
Vol 46 (3) ◽  
pp. 107 ◽  
Author(s):  
R. Weterings ◽  
K.C. Vetter ◽  
C. Umponstira
Keyword(s):  
Biological Control ◽  
Urban Areas ◽  
Prey Density ◽  
Biological Control Agent ◽  
Prey Type ◽  
Control Agent ◽  
Mosquito Larvae ◽  
Predator Density ◽  
Water Bugs ◽  
Predation Rates

Notonectidae are a family of water bugs that are known to be important predators of mosquito larvae and have great potential in the biological control of vector mosquitoes. An experiment was conducted to assess mosquito larvae predation by <em>Anisops</em> <em>breddini</em>, a species common to Southeast Asia. The predation rates were recorded in context of prey density, predator density, predator size and prey type. Predation rates were strongly affected by prey type and less by prey density and predator density. They ranged between 1.2 prey items per day for pupae of <em>Aedes</em> <em>aegeypti</em> and <em>Armigeres</em> <em>moultoni</em> to 5.9 for <em>Ae</em>. <em>aegypti</em> larvae. Compared with studies on other Notonectidae species, the predation rates appear low, which is probably caused by the relative small size of the specimens used in this study. <em>An</em>. <em>breddini</em> is very common in the region and often found in urban areas; therefore, the species has potential as a biological control agent.

scholarly journals Effect of Prey Species and Prey Densities on the Performance of Adult Coenosia attenuata

Insects ◽  
2021 ◽  
Vol 12 (8) ◽  
pp. 669
Author(s):  
Deyu Zou ◽  
Thomas A. Coudron ◽  
Lisheng Zhang ◽  
Weihong Xu ◽  
Jingyang Xu ◽  
...  
Keyword(s):  
Biological Control ◽  
Mass Production ◽  
Prey Density ◽  
Prey Species ◽  
Biological Control Agent ◽  
Low Cost ◽  
Mass Rearing ◽  
Control Agent ◽  
Wing Damage ◽  
Coenosia Attenuata

Mass production of Coenosia attenuata Stein at low cost is very important for their use as a biological control agent. The present study reports the performance of C. attenuata adults when reared on Drosophila melanogaster Meigen or Bradysia impatiens (Johannsem). Different densities (6, 9, 15, 24 and 36 adults per predator) of D. melanogaster or (6, 12, 24, 36 and 48 adults per predator) of B. impatiens were used at 26 ± 1 °C, 14:10 (L:D) and 70 ± 5% RH. The results concluded that C. attenuata adults had higher fecundity, longer longevity and less wing damage when reared on B. impatiens adults compared to D. melanogaster adults. Additionally, C. attenuata adults demonstrated greater difficulty catching and carrying heavier D. melanogaster adults than lighter B. impatiens adults. In this case, 12 to 24 adults of B. impatiens daily per predator were considered optimal prey density in the mass rearing of adult C. attenuata.

scholarly journals Assessment of Clarias gariepinus as a biological control agent against mosquito larvae

BMC Ecology ◽  
2016 ◽  
Vol 16 (1) ◽  
Author(s):  
Buze Chala ◽  
Berhanu Erko ◽  
Abebe Animut ◽  
Abraham Degarege ◽  
Beyene Petros
Keyword(s):  
Biological Control ◽  
Biological Control Agent ◽  
Clarias Gariepinus ◽  
Control Agent ◽  
Mosquito Larvae
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