Biotic and Abiotic Influences on Within-Plant Distribution of Soybean Aphid (Hemiptera: Aphididae: Aphis glycines)

Brosius, Tierney R.; Higley, Leon G.; Hunt, Thomas E.

doi:10.2317/jkes0911.23.1

Cited by 3 publications

(1 citation statement)

References 25 publications

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“…Our recent work with soybean aphids suggests that the seemingly sedentary, wingless aphid morphs will move within and between leaves, at least under some conditions (Whalen and Harmon 2012). Moreover, the variable within-plant distribution of soybean aphids (McCornack et al 2008;Brosius et al 2010) may make it so that some aphids are relatively exposed to UV, while others, such as those underneath leaves, may be relatively protected.…”

Section: Introductionmentioning

confidence: 99%

Density and distribution of soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae) in response to UV radiation

2015

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Increasing ultraviolet radiation (UV) has led to greater interest in its current and potential effects on organisms, including herbivorous insects. Here we report the short-term effects of UV on soybean aphids (Aphis glycines Matsumura), a common phytophagous pest of soybeans. We used two complementary approaches to examine how modifying UV radiation affects this phloemfeeding herbivore via changes to soybean aphid densities and their within plant distribution. We found that artificially adding UV in a lab setting decreased soybean aphid population size compared to a low UV control; however, blocking UV radiation in the field had minimal effects on aphid density. Further observations suggest that soybean aphid location could mediate UV effects; feeding on the underside of leaves may shield aphids from some harmful effects of UV. Our results demonstrate the potential importance of UV to insect herbivores and how behavior may influence such effects.

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Section: Introductionmentioning

confidence: 99%

Density and distribution of soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae) in response to UV radiation

2015

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Diel variation in the abundance and composition of the predator assemblages feeding on aphid-infested soybean

Petersen

Woltz

2014

BioControl

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Within-plant distribution and rapid assessment of sugarcane rust mite population on sugarcane canopy

Asbani,

Cherry,

Beuzelin

et al. 2024

Acarologia

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Sugarcane rust mite (SRM), Abacarus sacchari, has been recognized in Florida since 1983. However, no detection technique had been developed yet, whereas a reliable, effective, and efficient technique is important in a mite management practice. The purposes of this study were to determine the within-plant distribution and to develop a sampling technique for SRM. The study was carried out in sugarcane fields naturally infested with the mite population. The mite distribution was identified with the visual direct counting technique and the imprinting technique. Subsequently, the effectiveness and reliability of both techniques were evaluated. The results showed that the within-plant distribution of mite populations was more concentrated in the middle canopy than in the upper or lower canopies. Furthermore, the mite sampling of the middle portion of the leaf could represent the entire mite population on the plant. More importantly, the imprinting technique was reliable, especially when the third or fourth (+3 or +4) fully expanded leaf was taken as sample, resulting in relative variation (RV) as low as 12.9% and 12.4%, respectively; therefore, the imprinting technique is a promising technique for population monitoring programs.

show abstract

Biotic and Abiotic Influences on Within-Plant Distribution of Soybean Aphid (Hemiptera: Aphididae: Aphis glycines)

Cited by 3 publications

References 25 publications

Density and distribution of soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae) in response to UV radiation

Density and distribution of soybean aphid, Aphis glycines Matsumura (Hemiptera: Aphididae) in response to UV radiation

Diel variation in the abundance and composition of the predator assemblages feeding on aphid-infested soybean

Within-plant distribution and rapid assessment of sugarcane rust mite population on sugarcane canopy

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