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Confirmation of bean leaf beetle, Cerotoma trifurcata, feeding on cucurbits.

Koch RL, Burkness EC, Hutchison WD - J. Insect Sci. (2004)

Bottom Line: With soybean plants present, C. trifurcata still fed on cucumber plants.However, C. trifurcata appeared to prefer soybeans until the quality of the soybean plants was diminished through feeding damage.The pest potential of C. trifurcata in cucurbit cropping systems should be further evaluated.

View Article: PubMed Central - PubMed

Affiliation: Department of Entomology, University of Minnesota, 219 Hodson Hall, 1980 Folwell Avenue, St. Paul, Minnesota 55108, USA. koch0125@tc.umn.edu

ABSTRACT
The objective of these studies was to assess the degree to which bean leaf beetle, Cerotoma trifurcata (Forster), will feed on cucurbits. In 2003, we documented an infestation of C. trifurcata in a commercial pumpkin field near Rosemount, MN, USA. To evaluate C. trifurcata feeding on cucurbits, we conducted laboratory no-choice and choice test feeding studies. In the laboratory, C. trifurcata fed most heavily on cotyledon-stage cucumber plants, followed by pumpkin and squash. With soybean plants present, C. trifurcata still fed on cucumber plants. However, C. trifurcata appeared to prefer soybeans until the quality of the soybean plants was diminished through feeding damage. This is the first known report of C. trifurcata feeding on cucurbits. The pest potential of C. trifurcata in cucurbit cropping systems should be further evaluated.

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Abundance of Cerotoma trifurcata on pumpkin (‘Magic Lantern’) plants near Rosemount, MN, 2003.
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i1536-2442-004-05-0001-f01: Abundance of Cerotoma trifurcata on pumpkin (‘Magic Lantern’) plants near Rosemount, MN, 2003.

Mentions: C. trifurcata adults were present on the pumpkin plants with associated damage at each sample date (Fig. 1, 2, 3). From 13 June to 24 June 2003, the abundance of C. trifurcata decreased from 0.36 to 0.03 individuals per plant (Fig. 1). In addition, A. vittatum was present on the plants at each sample (RLK unpublished data).


Confirmation of bean leaf beetle, Cerotoma trifurcata, feeding on cucurbits.

Koch RL, Burkness EC, Hutchison WD - J. Insect Sci. (2004)

Abundance of Cerotoma trifurcata on pumpkin (‘Magic Lantern’) plants near Rosemount, MN, 2003.
© Copyright Policy
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC455679&req=5

i1536-2442-004-05-0001-f01: Abundance of Cerotoma trifurcata on pumpkin (‘Magic Lantern’) plants near Rosemount, MN, 2003.
Mentions: C. trifurcata adults were present on the pumpkin plants with associated damage at each sample date (Fig. 1, 2, 3). From 13 June to 24 June 2003, the abundance of C. trifurcata decreased from 0.36 to 0.03 individuals per plant (Fig. 1). In addition, A. vittatum was present on the plants at each sample (RLK unpublished data).

Bottom Line: With soybean plants present, C. trifurcata still fed on cucumber plants.However, C. trifurcata appeared to prefer soybeans until the quality of the soybean plants was diminished through feeding damage.The pest potential of C. trifurcata in cucurbit cropping systems should be further evaluated.

View Article: PubMed Central - PubMed

Affiliation: Department of Entomology, University of Minnesota, 219 Hodson Hall, 1980 Folwell Avenue, St. Paul, Minnesota 55108, USA. koch0125@tc.umn.edu

ABSTRACT
The objective of these studies was to assess the degree to which bean leaf beetle, Cerotoma trifurcata (Forster), will feed on cucurbits. In 2003, we documented an infestation of C. trifurcata in a commercial pumpkin field near Rosemount, MN, USA. To evaluate C. trifurcata feeding on cucurbits, we conducted laboratory no-choice and choice test feeding studies. In the laboratory, C. trifurcata fed most heavily on cotyledon-stage cucumber plants, followed by pumpkin and squash. With soybean plants present, C. trifurcata still fed on cucumber plants. However, C. trifurcata appeared to prefer soybeans until the quality of the soybean plants was diminished through feeding damage. This is the first known report of C. trifurcata feeding on cucurbits. The pest potential of C. trifurcata in cucurbit cropping systems should be further evaluated.

Show MeSH
Related in: MedlinePlus