meridic diet
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Author(s):  
ChunXian Jiang ◽  
Lin Chen ◽  
TingTing Huang ◽  
Maryam Mumtaz ◽  
Qing Li

To evaluate the predation potential of Neoseiulus californicus (McGregor) reared on an artificial diet as a biological control agent for Tetranychus cinnabarinus (Boisduval), life table and functional response studies were performed. To identify alternative food sources for rearing N. californicus, we compared the nutritional values of the basal diet (composed of sucrose, yeast extract, honey, tryptone and egg yolk), meridic diet (add T. cinnabarinus on the basis of basal diet) and control (T. cinnabarinus). Further, the predation ability of N. californicus continuously reared for ten consecutive generations on a meridic diet to control T. cinnabarinus was assessed. The results showed that N. californicus fed the basal and meridic diets successfully completed development from eggs to adults, but they did not oviposit when fed the basal diet. The high fecundity (41.00 eggs per female) and intrinsic rate of increase (0.2357 d-1) recorded in the meridic diet group suggests that it is a suitable diet for N. californicus rearing. Additionally, a functional response (type II) was observed in N. californicus reared on the meridic diet. We found that when the predator was reared on the meridic diet, the estimated maximum attack rate (T/Th) associated with larvae was 58.67, which was only 13.94% lower than the control (68.17). The 10th generation of N. californicus did not lose the ability to capture and kill T. cinnabarinus when fed on meridic diet. In conclusion, N. californicus reared on the meridic diet containing T. cinnabarinus showed good predation ability; therefore, this diet may be beneficial for the mass production of N. californicus.


2020 ◽  
Vol 45 (3) ◽  
Author(s):  
Nathan S. Little ◽  
R. Michelle Mullen ◽  
Blake H. Elkins ◽  
Katherine A. Parys ◽  
K. Clint Allen
Keyword(s):  

2020 ◽  
Vol 113 (6) ◽  
pp. 2739-2744
Author(s):  
Colin A R Bonser ◽  
Xuan Chen ◽  
Carlos E Astete ◽  
Cristina M Sabliov ◽  
Jeffrey A Davis

Abstract A meridic diet overlay bioassay using empty, positively charged zein nanoparticles ((+)ZNP) was performed on soybean looper (Chrysodeixis includens (Walker)), tobacco budworm (Heliothis virescens (F.)), and velvetbean caterpillar (Anticarsia gemmatalis Hübner) (Lepidoptera: Noctuidae). Assessment of effects on mortality and development weights 7 d after ingestion of (+)ZNP were evaluated on larvae of each species. Treatments involved different concentrations, with H. virescens and A. gemmatalis offered 0 and 3,800 ppm (+)ZNP, whereas C. includens colonies were offered 0, 630, 1,260, and 2,520 ppm (+)ZNP. Mortality of A. gemmatalis and C. includens increased after ingestion of the highest (+)ZNP concentrations, while H. virescens neonate mortality was unaffected. Neonate and third-instar weights of A. gemmatalis and C. includens, and neonate H. virescens, decreased with high (+)ZNP concentrations. Following mortality results from A. gemmatalis neonates, a concentration response test was performed using a range of (+)ZNP concentrations. The LC50 for A. gemmatalis was 1,478 ppm. The potential of (+)ZNP as a pest management tactic is discussed.


2014 ◽  
Vol 49 (2) ◽  
pp. 195-199
Author(s):  
Jody H. Timer ◽  
Michael C. Saunders

2013 ◽  
Vol 67 (3) ◽  
pp. 491-497 ◽  
Author(s):  
D.Y. Zou ◽  
H.H. Wu ◽  
T.A. Coudron ◽  
L.S. Zhang ◽  
M.Q. Wang ◽  
...  
Keyword(s):  

2011 ◽  
Vol 41 (3) ◽  
pp. 88-94 ◽  
Author(s):  
Waqas WAKIL ◽  
M. Usman GHAZANFAR ◽  
Shahbaz Talib SAHI ◽  
Yong Jung KWON ◽  
M. Abdul QAYYUM

2011 ◽  
Vol 36 (1) ◽  
pp. 41-46
Author(s):  
Angel Alonso Romero-López ◽  
René Arzuffi ◽  
Rodolfo Figueroa-Brito

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