Survey of the parasitoids of the Greasy Cutworm,Agrotis ipsilon Rott. (Lepidoptera, Noctuidae) in Egypt

1987 ◽  
Vol 60 (8) ◽  
pp. 155-157 ◽  
Author(s):  
A. H. El-Heneidy ◽  
Fawzia A. Hassanein
Keyword(s):  
Agrotis Ipsilon ◽  
Lepidoptera Noctuidae

scholarly journals The Novel Agrotis ipsilon Nora Virus Confers Deleterious Effects to the Fitness of Spodoptera frugiperda (Lepidoptera: Noctuidae)

2021 ◽  
Vol 12 ◽  
Author(s):  
Tong Li ◽  
Ruobing Guan ◽  
Yuqing Wu ◽  
Su Chen ◽  
Guohui Yuan ◽  
...  
Keyword(s):  
Spodoptera Frugiperda ◽  
Rna Virus ◽  
Open Reading Frames ◽  
Agrotis Ipsilon ◽  
The Novel ◽  
Black Cutworm ◽  
A Genome ◽  
Nora Virus ◽  
Novel Host ◽  
Lepidoptera Noctuidae

In the present study, we identified a novel, positive-sense single-stranded RNA virus in the Chinese black cutworm, Agrotis ipsilon. It has a genome length of 11,312 nucleotides, excluding the poly(A) tails, and contains five open reading frames. The ORF2 encodes the conserved domains of RNA helicase and RNA-dependent RNA polymerase, while ORF4 and 5 encode three viral proteins. Herein, the A. ipsilon virus was clustered with a Helicoverpa armigera Nora virus and was thus provisionally named “Agrotis ipsilon Nora virus” (AINV). AINV was successfully transmitted into a novel host, Spodoptera frugiperda, through injection, causing a stable infection. This found the possibility of horizontal AINV transmission among moths belonging to the same taxonomic family. Nonetheless, AINV infection was deleterious to S. frugiperda and mainly mediated by antiviral and amino acid metabolism-related pathways. Furthermore, the infection significantly increased the S. frugiperda larval period but significantly reduced its moth eclosion rate. It suggests that AINV is probably to be a parasitic virus of S. frugiperda.

Distribution and Prevalence of an Ectoparasitic Nematode, Noctuidonema guyanense, on Moths of The Fall Armyworm (Lepidoptera: Noctuidae) in the Tropical Americas

1990 ◽  
Vol 25 (4) ◽  
pp. 510-518 ◽  
Author(s):  
Alvin M. Simmons ◽  
Charlie E. Rogers
Keyword(s):  
Central America ◽  
Spodoptera Frugiperda ◽  
French Guiana ◽  
Parasitic Nematode ◽  
Fall Armyworm ◽  
Agrotis Ipsilon ◽  
Black Cutworm ◽  
The Caribbean ◽  
Northern South America ◽  
Lepidoptera Noctuidae

Moths of the fall armyworm, Spodoptera frugiperda (J. E. Smith), collected from locations extending from northern South America, the Caribbean basin, Central America, Mexico, Texas, to Florida, and Bermuda, were examined for Noctuidonema guyanense Remillet and Silvain, an ectoparasitic nematode of adult Lepidoptera. Noctuidonema was recovered from all locations where the fall armyworm was collected. This parasitic nematode was previously only known to occur in French Guiana and Guadeloupe. Parasitism was generally around 35%, but was variable at different locations ranging from nearly 0% to about 90%. Although the number of nematodes per moth varied among locations, mean infestation ranged from 30 to 40 specimens per host. Noctuidonema also was recovered from the black cutworm, Agrotis ipsilon (Hufnagel), a host on which it previously had not been known to occur.

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