Leaves as Islands: Interactions of Scolioneura betuleti (Hymenoptera) Miners in Birch Leaves

Tuomi, Juha; Mannila, Rauno; Niemelä, Pekka

doi:10.2307/3544458

Cited by 42 publications

(34 citation statements)

References 9 publications

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“…For example, larval Phyllocnistis citrella often died of starvation when their mines met: one miner's mine became surrounded by the other and the insect had no access to further food (Murai 1974). Tuomi et al (1981) found decreasing pupal mass with increasing number of cooccurring miners for a hymenopteran. In other words, a miner's space is its food, to some extent.…”

Section: Co-occurrence and Mortality Other Than By Abscissionmentioning

confidence: 88%

Larval Dispersion and Survivorship in a Leaf‐Mining Moth

Simberloff¹,

Stiling²

1987

Ecology

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We observed and quantified leaf miner distribution on Quercus geminata in order to determine its relation to leaf abscission and the effects of leaf abscission on larvae. A leaf-mining moth, Stilbosis quadricustatella, exhibited a clumped distribution of mines among leaves of the evergreen oak Quercus geminata. Mines tended to be on large, peripheral, and undamaged leaves so that leaves were often multiply minded. Mined leaves, especially those with multiple mines, tended to abscise early. Unless miners in an abscised leaf were very near to pupation, abscission killed them. Premature leaf fall was by far the largest source of larval mortality for this moth. A preliminary analysis suggested that the clumping of miners was no more favorable to the tree (in terms of number of leaves abscised early) than to the insect.

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Section: Co-occurrence and Mortality Other Than By Abscissionmentioning

confidence: 88%

Larval Dispersion and Survivorship in a Leaf‐Mining Moth

Simberloff¹,

Stiling²

1987

Ecology

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“…It is not known if internodal length, laminar angle, and length : breadth ratio are of direct consequence in phytophage accumulation, but leaf area (Toumi et al 1981) and leaf pose are (Heinrich 1971 ). A multiple regression of numbers of insect species on these variables shows that >:::: 68% of the total variation in number of species is accounted for by these two variables (r 2 = 67.88; P < .05).…”

Section: Leaf Angle Leaf Area and Variation In Species Numbersmentioning

confidence: 99%

Can Leaf Aspect Affect Herbivory? A Case Study wih Tea

Banerjee¹

1987

Ecology

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Abstra~t.Leaves of tea cultivars _are markedl~ different in leaf geometry, with leaf angle varymg from er~ct through semt-erect to honzontal; a particular cultivar has only one t~e ofleaf. Defoliators and leaf chewers feed mostly on horizontal leaves. Leaf rollers a~d mmers colonize_ only semi-erect leaves. Sap feeders inhabit all three types of leaves, wtth the largest species accumulation on erect leaves.

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“…Adults were fed daily with a sugar solution (15%). An index of plant quality (IPQ) was calculated for each host-plant following Tuomi et al (1981) and Koricheva & Haukioja (1992) formulae where: IPQ = pupal weight (mg) / frass dry weight (mg). To estimate the nutritional value of the leaf, frass of leafminer entire lifetime was collected inside of mines.…”

Section: Methodsmentioning

confidence: 99%

Effect of two solanaceous plants on developmental and population parameters of the tomato leaf miner, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)

Pereyra

Sánchez²

2006

Neotrop. Entomol.

160

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Neotropical Entomology 35(5): 671-676 (2006) Efecto de Dos Solanáceas Cultivadas sobre el Desarrollo y los Parámetros Poblacionales de la Polilla del Tomate, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)RESUMEN -Tuta absoluta (Meyrick) es una importante plaga del tomate que puede utilizar también otras solanáceas como plantas huéspedes. Este trabajo evaluó el efecto del tomate, Lycopersicum esculentum Mill. y la papa, Solanum tuberosum L., sobre algunos aspectos del desarrollo y parámetros poblacionales relacionados con la calidad del alimento. Se midieron: duración del estado larval, peso pupal, fecundidad y un índice de la calidad alimentaria de la planta huésped (peso pupal / peso de heces). Por medio de tablas de vida en el laboratorio se obtuvieron datos de supervivencia y fecundidad específicas por edad con los cuales se calcularon: tasa reproductiva neta (R o ), tasa intrínseca de crecimiento (r) y tiempo generacional (T). Los individuos alimentados con tomate tuvieron una menor duración del estado larval (P < 0,0001), y un mayor peso pupal (P < 0,0001) que con papa. La fecundidad promedio fue marginalmente más alta en tomate (P = 0,07) mientras que la calidad nutricional fue mayor para el tomate (P = 0,025). Los parámetros poblacionales promedio fueron: R o = 48,92; T = 27,98, r = 0,14, en tomate; y R o = 14,43; T = 32,35, r = 0,08 en papa. Si bien los resultados indicaron que el tomate exhibió una mayor calidad nutricional que la papa, las cohortes de T. absoluta alimentadas con este huésped secundario, mostraron un crecimiento relativamente importante. Bajo condiciones climáticas favorables y una coincidencia espacial y temporal entre la polilla y el cultivo de papa, sus poblaciones podrían convertirse en una plaga para el mismo.PALABRAS CLAVE: Insecta, amplitud de dieta, Lycopersicum esculentum, Solanum tuberosum, Manejo Integrado de Plagas ABSTRACT -Tuta absoluta (Meyrick) is an important tomato pest that also feeds on other hostplants from the Solanceae family. We studied the effect of two cultivated plants, tomato (Lycopersicum esculentum Mill.) and potato Solanum tuberosum L. on the development and populational parameters of T. absoluta related with host-plant suitability. Larval developmental time, pupal weight, mean fecundity and an index of host-plant quality (IPQ = pupal weight / frass weight) were estimated. Agespecific survivorship and fecundity life tables were constructed in the laboratory to evaluate the following populational parameters: net reproductive rate (R o ), intrinsic rate of increase (r) and generation time (T). Larval developmental time was shorter and pupal weight was higher (P < 0.0001) for larvae reared on tomato (P < 0.0001). Mean fecundity was not significantly different on both plants (P = 0.07) and food quality of host-plant was higher for tomato (P = 0.02). Mean population parameters on tomato were: R o = 48.92; T = 27.98, r = 0.14; and on potato: R o = 14.43; T = 32.35, r = 0.08. Although results showed that tomato was a more suitable host-plant and had a bett...

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Leaves as Islands: Interactions of Scolioneura betuleti (Hymenoptera) Miners in Birch Leaves

Cited by 42 publications

References 9 publications

Larval Dispersion and Survivorship in a Leaf‐Mining Moth

Larval Dispersion and Survivorship in a Leaf‐Mining Moth

Can Leaf Aspect Affect Herbivory? A Case Study wih Tea

Effect of two solanaceous plants on developmental and population parameters of the tomato leaf miner, Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae)

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