Dispersal of Western Bean Cutworm Larvae from Egg Masses as Measured by Damage to Beans

Blickenstaff, C.C. (1983) Dispersal of Western Bean Cutworm Larvae from Egg Masses as Measured by Damage to Beans. Environmental Entomology. 12(83):902-904.

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Abstract

Beans, Phaseolus vulgaris (L), were infested with egg masses of 50, 100, and 200 eggs
of the western bean cutworm, Loxagrotis albicosta (Smith), and the dispersal of larvae was measured
in terms of damage. Linear regression indicated dispersal of 3.05 to 3.66 m in the release row and 2.45
to 3.05 m across rows. At the higher egg levels, dispersal across rows was also indicated as up to 3.66
m. However, 72% of the damage occurred within a smaller area, 1.83 m (three rows) wide and 3.66
m long. This confirms general observations of spotty damage in the field and has implications for
sampling.

Item Type:	Article
NWISRL Publication Number:	0502
Subjects:	Irrigated crops > Bean / dry bean Mass Import - autoclassified (may be erroneous)
Depositing User:	Dan Stieneke
Date Deposited:	20 Nov 2010 21:52
Last Modified:	19 Jan 2017 22:26
Item ID:	399
URI:	https://eprints.nwisrl.ars.usda.gov/id/eprint/399