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Journal of Entomology and Zoology Studies
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P-ISSN: 2349-6800, E-ISSN: 2320-7078

Journal of Entomology and Zoology Studies

2019, Vol. 7, Issue 6
Trap catches of Helicoverpa armigera Hubner and Maruca vitrata fabricius and their natural enemies on black gram (Vigna mungo l. Hepper)

Bhumika Kapoor and Uma Shankar

The monitoring data on pheromone traps showed that the early detection of Helicoverpa and Maruca moth catch was noticed during 8th and 10th standard week with 0.33 and 1.22 moths catches, respectively during summer in Chatha farm, SKAUST-J. A progressive rise was noticed up to 19th standard week with the peak activity of 78.62 Helicoverpa moths per trap per week and 26.89 Maruca moths during same 21th standard week, respectively. The regression analysis indicated that all the weather parameters together were responsible for a significant variation of 69.0 and 73.60 per cent on the adult incidence of spotted pod borer and gram pod borer, respectively. Natural enemies such as Tachinid fly (Nemorilla maculosa); Predatory Yellow Jacket Wasp; Rove beetle; Coccinellid beetles (Coccinella septempunctata and C. sexmaculata); Damsel fly; Spined soldier bug and different types of spiders were recorded as the dominant predatory insects against the Spotted pod borer and Helicoverpa in black gram ecosystem. Apart from predators, a larval endo-parasitoid, Campoletis chlorideae and naturally infected H. armigera larvae with the virus (HaNPV) were recovered from the black gram experimental field.
Pheromone trap catches of adult moths of <em>Maruca vitrata</em>
Fig. 1: Pheromone trap catches of adult moths of Maruca vitrata
Pheromone trap catches of adult moths of <em>Helicoverpa armigera</em>
Fig. 2: Pheromone trap catches of adult moths of Helicoverpa armigera
Pages : 246-251 | 716 Views | 97 Downloads


Journal of Entomology and Zoology Studies Journal of Entomology and Zoology Studies
How to cite this article:
Bhumika Kapoor, Uma Shankar. Trap catches of Helicoverpa armigera Hubner and Maruca vitrata fabricius and their natural enemies on black gram (Vigna mungo l. Hepper). J Entomol Zool Stud 2019;7(6):246-251.

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