Sampling and Distribution of Potato Leafhopper1 Eggs in Alfalfa Stems2

Simonet, D. E.; Pienkowski, R. L.

doi:10.1093/aesa/70.6.933

Cited by 26 publications

(16 citation statements)

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“…Leaf disks were chemically cleared and stained following established procedures prior to visually counting all F. fusca eggs with the aid of a backlit stereomicroscope.…”

Section: Methodsmentioning

confidence: 99%

Responses of neonicotinoid resistant and susceptible Frankliniella fusca life stages to multiple insecticide groups in cotton

Huseth

D'Ambrosio

Kennedy

2017

Pest Management Science

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This study shows that insecticides have different effects on F. fusca oviposition events, larval and adult mortality that are dependent on neonicotinoid resistance status. Because insecticides tested in this study have varied activity on specific F. fusca life stages (e.g. oviposition suppression, larvicidal activity, adulticidal activity), knowledge of stage-specific activity can be used to improve control and enhance long-term product stewardship. © 2017 Society of Chemical Industry.

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“…Leaf disks were chemically cleared and stained following established procedures prior to visually counting all F. fusca eggs with the aid of a backlit stereomicroscope.…”

Section: Methodsmentioning

confidence: 99%

Responses of neonicotinoid resistant and susceptible Frankliniella fusca life stages to multiple insecticide groups in cotton

Huseth

D'Ambrosio

Kennedy

2017

Pest Management Science

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“…After 3 days of confinement in cages within an indoor insectary (25 + 1 o C, 16 h photophase), adults were removed and counted by sex. Eggs inserted by ovipositing females in the plant tissues were counted after clearing the plants and staining the eggs with a lactophenol solution (Simonet & Pienkowski, 1977). This procedure was replicated five times for each plant species.…”

Section: Methodsmentioning

confidence: 99%

Suitability of common weed species as host plants for the potato leafhopper, Empoasca fabae

Lamp

Morris

Armbrust

1984

Entomologia Exp Applicata

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The suitability of 13 weed species as host plants for the potato leafhopper, Empoasca fabae (Harris) (Homoptera: Cicadellidae) was compared to alfalfa, Medicago sativa L., and broad bean, Vicia faba L., in laboratory and greenhouse tests. Nymphs developed and adults reproduced on five of the weeds: smartweed (Polygonum pensylvanicum L.), pigweed (Amaranthus retroflexus L.), shepherdspurse (Capsella bursa‐pastoris (L.) Medic.), dandelion (Taraxacum officinale Weber), and carpetweed (Mollugo verticillata L.). Adults survived and oviposited on all tested weeds, suggesting that nymph survival was the limiting factor in host suitability. Yellow nutsedge (Cyperus esculentus L.), crabgrass (Digitaria sanguinalis (L.) Scop.), and foxtail (Setaria faberi Herrm.) were least suitable for adult and nymph survival. Large nymphs (instar III–IV) were able to complete development on weed species that did not support small nymph (instar I–II) development to adulthood. Densities of nymphs on weeds from alfalfa fields as well as the laboratory studies suggested that the weed species are less suitable as hosts and thus weeds probably do not affect population increases of potato leafhopper within weedy alfalfa fields by serving as hosts. Weeds may however, interact with the crop to alter leafhopper colonization, dispersal, and/or reproduction. In addition, since some broadleaf weeds are suitable hosts, the leafhopper may have a secondary beneficial role for biological weed control. These interactions should be considered when evaluating pest management practices. Zusammenfassung Eignung häufiger Unkrautarten als Wirte von Empoasca fabae Der Wirtskreis der Empoasca fabae (Harris) (Homoptera: Cicadellidae) wurde im Labor und im Freiland untersucht. Dreizehn Unkrautarten, wie auch Luzerne (Medicago sativa L.) und Vicia faba L., wurden im Laborversuchen geprüft. Die Entwicklung der Nymphen und die Eiablage setzten auf fünf Unkrautarten fort: auf Polygonum pensylvanicum L., Amaranthus retroflexus L., Capsella bursa‐pastoris (L.) Medic., Taraxacum officinale Weber und Mollugo verticillata L. Die Eiablage und das Weiterleben der Imagines geht auf alien untersuchten Unkräutern weiter. Dies weist darauf hin, dass die Lebensdauer der Nymphen die Eignung der Wirte begrenzt. Das Weiterleben der Imagines und der Nymphen waren auf Cyperus esculentus L., Digitaria sanguinalis (L.) Scop. und Setaria faberi Herrm. am stärksten verkürzt. Die Altnymphentwicklung (3. und 4. Stadien) bis zur Imago war auf Unkräutern gewährleistet, dagegen erfolgte die Jungnymphentwicklung (1. und 2. Stadien) bis zur Imago nicht. Populationsproben von Luzerne im Freiland, wie auch die Ergebnisse der Laboruntersuchungen, zeigten, dass Unkräuter nicht im Wirtskreis der Nymphen von E. fabae sind und dass Unkräuter in Luzernefeldern keinen Einfluss auf die Populationszunahme in solcher Feldern haben. Unkräuter in Luzerne dürften aber die Kolonisierung, Verteilung der Population im Feld wie auch das Vermehrungspotential von E. fabae verändern. Weil einige Unkräuter Wi...

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“…Eggs in the onion tissue were stained using a lacto phenol-acid fuchsin staining technique similar to one elaborated by Nuessly et al (1995) and Þrst described by Simonet and Pienkowski (1977). Onion leaßets were separated from the bulb, and all onion tissue was boiled for 3Ð 4 min in a 1:2:1:1:1 solution of 10% lactic acid, 50% glycerin solution, distilled water, saturated phenol buffered at pH 4.3, and 1 g/liter of acid fuchsin high purity biological stain.…”

Section: Micro-cagesmentioning

confidence: 99%

Effects of Pine Pollen Supplementation in an Onion Diet onFrankliniella fuscaReproduction

Angelella

Riley

2010

Environ Entomol

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A micro-cage bioassay was developed to test the effect of slash pine pollen (Pinus elliottii Engelm.) supplementation to a whole onion plant (Allium cepa L. variety Pegasus) diet on thrips (Thysanoptera: Thripidae) reproductive parameters. Frankliniella fusca (Hinds) females were placed on two to three-leaf stage onion seedling under a treatment of either slash pine (Pinus elliottii Engelm.) pollen dusting (a pollen supplement) or no pollen treatment. Adult survival, net oviposition, and offspring produced over a series of ten 2-d intervals were recorded. From these values, l(x), l(x)m(x), and R(0) values were constructed. A trimodal distribution of oviposition was observed with the pollen supplement. Increased oviposition rates led to higher female offspring production per female and to a four-fold increase in F. fusca net reproduction on pollen-treated onions.

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Sampling and Distribution of Potato Leafhopper1 Eggs in Alfalfa Stems2

Cited by 26 publications

References 0 publications

Responses of neonicotinoid resistant and susceptible Frankliniella fusca life stages to multiple insecticide groups in cotton

Responses of neonicotinoid resistant and susceptible Frankliniella fusca life stages to multiple insecticide groups in cotton

Suitability of common weed species as host plants for the potato leafhopper, Empoasca fabae

Effects of Pine Pollen Supplementation in an Onion Diet onFrankliniella fuscaReproduction

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