Degree-Day Prediction Models for the Flight Phenology of Western Bean Cutworm (Lepidoptera: Noctuidae) Assessed with the Concordance Correlation Coefficient

Hanson, Ann Ellis; Moon, Roger D.; Wright, Robert J.; Hunt, Thomas E.; Hutchison, W. D.

doi:10.1093/jee/tov110

Cited by 15 publications

(19 citation statements)

References 34 publications

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“…Our results demonstrated that under laboratory conditions, it was possible to reduce the complete S. albicosta life cycle to at least one-third of the cycle observed under natural conditions (Table 1). The limitations to further decrease this time, by decreasing the diapause period are most likely because under field conditions the prepupal period (inactive larval period) will go through a mandatory diapause and overwinter under low temperatures, frequently below zero (Hanson et al 2015). In the laboratory, only adult, egg, and active larval periods represent the approximated field conditions of S. albicosta.…”

Section: Discussionmentioning

confidence: 99%

“…This diapause, even under laboratory conditions, significantly interferes with the development of immature and adults, reflecting on the viability of the next generation (Reynolds et al 2019). We therefore suggest the importance of additional research to determine the biotic and abiotic factors associated with the initiation, and especially the termination, of prepupal diapause (Hanson et al 2015). Clarification of these factors should significantly increase the success of laboratory and mass rearing of this insect, and allow more precise standardized experimental trials.…”

Section: Discussionmentioning

confidence: 99%

“…In late summer and early fall, mature larvae drop to the ground, burrow 7–25 cm below the surface, and become prepupae (Appel et al 1993, Seymour et al 2010), remaining in a quiescent state throughout the winter (Hoerner 1948, Douglass et al 1957). The next year, the prepupae undergo metamorphosis and pupate; adults typically begin to emerge in late June and early July, and flights usually end by late August (Dorhout and Rice 2004, Rice 2006, Hanson et al 2015). Mating behavior is not greatly affected by temperature and humidity, most likely related to it being a univoltine species that experiences a narrow range of environmental conditions during moth flight (Konopka and McNeil 2017).…”

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confidence: 99%

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Life-History Parameters of Striacosta albicosta (Lepidoptera: Noctuidae) Under Laboratory Conditions

Montezano

Hunt

Specht

et al. 2019

Journal of Insect Science

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Striacosta albicosta (Smith) is a key pest of maize and dry beans in North America. It has expanded its distribution from the western Great Plains of the United States to the Great Lakes region in the United States and Canada. There has been limited research on the baseline biological aspects of this insect under controlled conditions. The objective of this study was to detail the biological parameters of S. albicosta feeding on an artificial diet under laboratory conditions. Overall survival from neonate to adult at 26.6 ± 1°C was 36.72% and the total developmental time was approximately 110 d. Survival of the egg, larval, prepupal, and pupal stages were 75.71, 98.50, 51.78, and 95.10%, respectively. Average duration of the egg, larval, prepupal, and pupal stages was 4.64, 28.20, 41.50, and 25.91 d, respectively. During the larval stage, 92.50% of larvae developed through seven instars and the remaining through six instars. Larvae that developed through six and seven instars exhibited a mean growth ratio of 1.60 and 1.47, respectively; however, there was no difference in pupal weight. Eggs laid by field-mated moths showed a fertility of 75.71%, compared with 4.18% from laboratory-reared moths. These data suggest that S. albicosta develop primarily through seven instars and the most vulnerable developmental stage is the prepupa. Laboratory conditions strongly affected fertility success. Information presented here greatly expands our understanding of S. albicosta biology, which can be used to improve the efficiency of laboratory bioassays and management techniques for this critical crop pest.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

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Life-History Parameters of Striacosta albicosta (Lepidoptera: Noctuidae) Under Laboratory Conditions

Montezano

Hunt

Specht

et al. 2019

Journal of Insect Science

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“…Degree-day models and light trap survey data are two tools provided by University of Nebraska-Lincoln to aid agricultural professionals in Nebraska with scouting for WBC. The degree-day models for WBC were improved by Hanson et al (2015), and have been used in Nebraska to predict the flight times of WBC moths and subsequent oviposition. The UNL online publication CropWatch (http:// cropwatch.unl.edu) has released articles prior to WBC moth emergence to help agricultural professionals determine when to begin scouting for WBC (Peterson et al , 2017.…”

Section: Discussionmentioning

confidence: 99%

“…Most respondents (50.6%) reported that they do not use degreeday models (Hanson et al 2015) to predict when to start scouting and treating for WBC. Another 36.0% of respondents have used degree-day models but they do not feel confident about using them effectively.…”

Section: Degree-day Modelsmentioning

confidence: 99%

Nebraska Growers’ and Crop Consultants’ Knowledge and Implementation of Integrated Pest Management of Western Bean Cutworm

Archibald

Bradshaw

Golick

et al. 2017

Journal of Integrated Pest Management

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Western bean cutworm (WBC), Striacosta albicosta (Smith; Lepidoptera: Noctuidae), is a native noctuid pest of corn and dry beans in North America. While this pest has expanded its range greatly in recent years, historically it has consistently caused high yield losses in western Nebraska. A survey was distributed to growers, crop consultants and other agricultural professionals to obtain information about current management practices used for WBC. Questions covered multiple topics including: demographics, scouting practices, degree-day model use, confidence in management knowledge, Bt corn use, insecticide use, and considerations for biological control. There were 95 completed responses received by email. Respondents self-reported a significantly higher yield loss due to WBC in 2016 than in 2015 and 2014. Growers demonstrated less knowledge of WBC identification and management than crop consultants. There were frequent (58.45%) reports of Cry1F Bt corn providing decreased control against WBC. This survey identified major concerns for growers and agricultural professionals in Nebraska for WBC management. An improved understanding of WBC biology and education on management would be most beneficial for growers. Crop consultants would benefit from using more diverse management tactics including: biological control, rotation of insecticide mode-of-action, and diversifying Bt corn types.

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Flight phenology and landscape predictors of invasive Coleophora deauratella populations in Oregon and New Zealand red clover

Dorman,

Kaur,

Anderson

et al. 2023

J Pest Sci

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Degree-Day Prediction Models for the Flight Phenology of Western Bean Cutworm (Lepidoptera: Noctuidae) Assessed with the Concordance Correlation Coefficient

Cited by 15 publications

References 34 publications

Life-History Parameters of Striacosta albicosta (Lepidoptera: Noctuidae) Under Laboratory Conditions

Life-History Parameters of Striacosta albicosta (Lepidoptera: Noctuidae) Under Laboratory Conditions

Nebraska Growers’ and Crop Consultants’ Knowledge and Implementation of Integrated Pest Management of Western Bean Cutworm

Flight phenology and landscape predictors of invasive Coleophora deauratella populations in Oregon and New Zealand red clover

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