CUTWORMS (LEPIDOPTERA: NOCTUIDAE) OF TOBACCO IN NOVA SCOTIA: II. FALL RYE AND WINTER FALLOW EFFECTS ON A FIELD POPULATION

1974 ◽  
Vol 106 (1) ◽  
pp. 73-77
Author(s):  
H. B. Specht
Keyword(s):  
Nova Scotia ◽  
Winter Rye ◽  
Tobacco Plants ◽  
Peridroma Saucia ◽  
Cultural Methods ◽  
Variegated Cutworm ◽  
Euxoa Messoria ◽  
Field Plots ◽  
Lepidoptera Noctuidae ◽  
Winter Fallow

AbstractTwice as many larvae of the dark-sided cutworm, Euxoa messoria Harr., were found in rye fall-seeded tobacco field plots than in winter-fallowed tobacco field plots. There were corresponding differences in numbers of injured tobacco plants. Cutworm aggregations were more prominent in the winter rye than in the winter fallowed area of the tobacco field with low populations of dark-sided cutworms.Larvae of the variegated cutworm, Peridroma saucia Hbn., appeared 2 to 4 weeks later than dark-sided cutworm larvae and winter cultural methods had little effect on their numbers.

CUTWORMS OF TOBACCO IN NOVA SCOTIA: I. SPECIES COMPLEX AND INFESTATION

1972 ◽  
Vol 104 (12) ◽  
pp. 1855-1864 ◽  
Author(s):  
H. B. Specht
Keyword(s):  
Nova Scotia ◽  
Tobacco Plant ◽  
Light Trap ◽  
Trap Crop ◽  
Peridroma Saucia ◽  
Black Cutworm ◽  
Variegated Cutworm ◽  
Euxoa Messoria ◽  
Trap Catches ◽  
Field Plots

AbstractThe principal injurious species to commercially-grown flue-cured tobacco in Nova Scotia was the dark-sided cutworm, Euxoa messoria Harr. A trace of the black cutworm, Agrotis ipsilon Hufn., was found in one field. The variegated cutworm, Peridroma saucia Hbn., caused minor damage in September. Other species reared from field-collected larvae, and bait and light trap catches, included: yellow-headed cutworm, Apamea amputatrix Fitch; armyworm, Pseudaletia unipuncta Haw.; Amphipyra tragopoginis L.; W-marked cutworm, Spaelotis clandestina Harr.; and the glassy cutworm, Crymodes devastator Brace.Cutworm larvae damaged young tobacco plants during June through mid-July. The largest infestation encountered during 1971, near the margin of a field, killed 5% and injured 20% of the young plants. Infestations in other fields injured 1 to 3% of the plants, with higher incidences near the borders. A seasonal total of 0.024 cutworm larva injured 0.24 tobacco plant/m2 and destroyed 5 to 10% of the injured plants in experimental tobacco field plots planted in a 4-year-old rye field.Tobacco trap crop m2 microplots in a rye field attracted 20 to 50 times as many cutworm larvae and had 25 to 40 more plants injured than comparable areas of an adjoining tobacco field. The largest microplot infestation in six fields tested was 1.8 larvae injuring 7.4 plants. The average microplot infestation of 0.5 larva injured 5.6 plants.

TOXICITY AND PERSISTENCE OF PYRETHROID INSECTICIDES AS FOLIAR SPRAYS AGAINST DARKSIDED CUTWORM (LEPIDOPTERA: NOCTUIDAE) ON TOBACCO IN ONTARIO

1980 ◽  
Vol 112 (5) ◽  
pp. 451-456 ◽  
Author(s):  
H. H. Cheng
Keyword(s):  
Winter Rye ◽  
Organophosphorus Insecticides ◽  
Tobacco Plants ◽  
Pyrethroid Insecticides ◽  
Foliar Sprays ◽  
Tobacco Seedlings ◽  
Euxoa Messoria ◽  
Lepidoptera Noctuidae

AbstractToxicity and persistence of six insecticides, including three pyrethroids and three organophosphorus insecticides, against Euxoa messoria (Harris) larvae were evaluated. These insecticides were applied to winter rye or tobacco seedlings in the field, and the residues on the foliage were bioassayed in the laboratory. The pyrethroids, cypermethrin, fenvalerate and permethrin, were more effective and persistent, and killed the larvae more rapidly than the organophosphorus insecticides, sulfopros, chlorpyrifos and trichlorfon. The higher rate of cypermethrin and fenvalerate gave a longer period of protection than the lower rate of the same materials and both materials were persistent longer than permethrin. No visible phytotoxicity was found on the tobacco plants treated directly with sulfopros, trichlorfon, cypermethrin, fenvalerate, and permethrin in the 3 years of tests.

Variegated Cutworm, Peridroma saucia (Hübner) (Lepidoptera: Noctuidae)

2008 ◽  
pp. 4038-4041
Author(s):  
John B. Heppner ◽  
John B. Heppner ◽  
John L. Capinera ◽  
Jamie Ellis ◽  
Andrey N. Alekseev ◽  
...  
Keyword(s):  
Peridroma Saucia ◽  
Variegated Cutworm ◽  
Lepidoptera Noctuidae

Sex pheromone composition of the variegated cutworm, Peridroma saucia (Lepidoptera: Noctuidae), in Korea

2009 ◽  
Vol 12 (2) ◽  
pp. 71-77 ◽  
Author(s):  
Kyung San Choi ◽  
Jum Rae Cho ◽  
Jeong Heub Song ◽  
Dong-Soon Kim ◽  
Kyung Saeng Boo
Keyword(s):  
Sex Pheromone ◽  
Peridroma Saucia ◽  
Pheromone Composition ◽  
Variegated Cutworm ◽  
Lepidoptera Noctuidae

TEMPERATURE REQUIREMENTS FOR DEVELOPMENT AND OVIPOSITION OF PERIDROMA SAUCIA (LEPIDOPTERA: NOCTUIDAE)

1981 ◽  
Vol 113 (10) ◽  
pp. 891-897 ◽  
Author(s):  
D. E. Simonet ◽  
S. L. Clement ◽  
W. L. Rubink ◽  
Roy W. Rings
Keyword(s):  
Light Trap ◽  
Laboratory Data ◽  
Effect Of Temperature ◽  
Peridroma Saucia ◽  
Developmental Thresholds ◽  
Temperature Requirements ◽  
Variegated Cutworm ◽  
Trap Catches ◽  
Lepidoptera Noctuidae ◽  
Development Threshold

AbstractStudies were conducted under controlled laboratory conditions to determine the effect of temperature on development and oviposition of the variegated cutworm, Peridroma saucia (Hübner). Developmental thresholds and Celsius degree days necessary for completion of a given stage are: egg (threshold 5.6°C) = 89 DD; larvae (threshold 6.2°C) = 387 DD; pupa (threshold 8.5°C) = 210 DD; and total development (threshold 7.2°C) = 676 DD. The threshold for oviposition was 3.5°C with 128 DD necessary for oviposition to occur.Light trap catches of variegated cutworm moths from 1965 to 1979 were plotted as a function of accumulated heat units based on laboratory data. For the 15-year period, peaks of activity occur at 500 and 1200 DD based on 7.2°C threshold. The data generated in this study would be utilized best in an alert network for determining when scouting should occur, based on peak capture of variegated cutworm moths.

A multiplex PCR method for identification of two common true cutworm species (Lepidoptera: Noctuidae) tested in the central plain of Guilan province, Iran

Zootaxa ◽  
2018 ◽  
Vol 4420 (2) ◽  
pp. 243
Author(s):  
REZA HOSSEINI ◽  
KHADIJEH MADAHI
Keyword(s):  
Dna Barcode ◽  
Morphological Characteristics ◽  
Coi Gene ◽  
Molecular Diagnostic ◽  
Pest Species ◽  
Immature Stages ◽  
Nucleotide Polymorphisms ◽  
Peridroma Saucia ◽  
Lepidoptera Noctuidae ◽  
Guilan Province

Many species of cutworms (Lepidoptera: Noctuidae) are important agricultural pest. They feed on roots and foliage of their host plants. Traditionally these species are identified based on morphological characteristics of adults. Hence identification of specimens in poor condition, immature stages and also closely related species or cryptic species is a difficult task. The basics of biological and ecological studies largely rely on an accurate species identification; consequently these investigations are impacted by potential misidentifications. In this study, we amplified 5' region of mitochondrial c cytochrome oxidase subunit I (COI) gene (DNA barcode region) of various common true cutworm species including Agrotis ipsilon (Hufnagel, 1766), Agrotis exclamationis (Linnaeus, 1758), Peridroma saucia (Hübner, 1808) and Xestia c-nigrum (Linnaeus, 1758) from agricultural fields of Guilan province (North of Iran). We were able to detect 66 conservative Single Nucleotide Polymorphisms (SNPs) among the targeted pest species and eventually design specific primers and develop a multiplex polymerase chain reaction assay as a molecular diagnostic tool for immature stages of two the most common and abundant species including A. ipsilon and X. c-nigrum in Guilan province. 

Sign in / Sign up

Export Citation Format

Share Document