Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 11 of 11 for “"Gelechiidae"”.
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Biology and ecology of Frumenta nundinella (Zeller) (Lepidoptera: Gelechiidae) and its impact on horsenettle (Solanum carolinense L.)
Horsenettle is a persistent, native, perennial weed of pastures and cornfields in southwest Virginia. A survey of insects associated with the weed revealed a number of general feeders, several insect pests of economic plants related to horsenettle, and a few lesser known species. The moth, Frumenta …
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Combining natural enemies and selective pesticides in IPM programmes of exotic pests: the Tuta absoluta (Lepidoptera: Gelechiidae) case
… tomato pinworm, Tuta absoluta (Lepidoptera: Gelechiidae), has lead to a swift increase in insecticide applications in tomato crops. Such increase may compromise the tomato Integrated Pest Management (IPM) packages that were sustainable and commonly used by farmers. My work aimed at providing …
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Worldwide spatial distribution of Tuta absoluta (Lepidoptera: Gelechiidae) and its natural enemies under current and future climatic change conditions through modelling
In only 10 years the insect Tuta absoluta has become one of the most important threat for agriculture worldwide. Since its introduction in Spain in 2006, this pest has infected 60% of the tomato crops in many regions of the world. In this study, ecological niche models were built investigate the …
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Density and Dispersion of Insect Herbivores on Lamb's-Quarters (Chenopodium Album)
… Chrysopora lingulacella Clemens (Lepidoptera: Gelechiidae), which was abundant in sheltered areas in the city, and the common sooty wing skipper, Pholisora catullus Fabricius (Lepidoptera: Hesperiidae), which was abundant in open fields. A variety of natural history observations were made for …
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Hostplant-Related Causes of Unequal Parasitoid Exploitation of Two Leafminers, Tildenia Georgei and Tildenia Inconspicuella (Lepidoptera: Gelechiidae), on Solanaceous Weeds (Defensive Behavior, Life History, Plant Trichomes, Species Richness, Enemy-Free Space)
Two leafminers (Tildenia georgei on groundcherry, Physalis heterophylla var. ambigua, and Tildenia inconspicuella on horsenettle, Solanum carolinense), sampled in a large old field in Mason Co., Illinois, U.S.A., June-August, 1977-1980, differed markedly in vulnerability to parasitoids. Only two …
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STUDIES ON INSECTICIDE RESISTANCE IN TUTA ABSOLUTA (MEYRICK), WITH SPECIAL EMPHASIS ON CHARACTERISATION OF TWO TARGET SITE MECHANISMS
Tuta absoluta Meyrick (Lepidoptera: Gelechiidae) is a primary pest of tomato plants and is native to South America. Since the first documented European case in 2006, it has spread throughout the Mediterranean basin and North Africa. Larval stages cause direct feeding damage and reductions to both …
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Meccanismi di difesa e interazioni multitrofiche tra Solanum spp. e Tuta absoluta
… del pomodoro, Tuta absoluta (Lepidoptera: Gelechiidae), un insetto chiave del pomodoro che può anche svilupparsi su diverse altre specie appartenenti al genere Solanum. Sono state valutate le conseguenze biochimiche dell'attacco di T. absoluta e i successivi effetti sullo sviluppo …
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Microlepidoptera of Illinois hill prairies
… yielded two species of moths of the family Gelechiidae, both of which are monophagous leaf feeders on leadplant, Amorpha canescens (Fabaceae). Because these moths are restricted to tallgrass prairie, they are likely to be of interest to conservation biologists. In the interest of naming the …
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Sistemas de tomada de decisão para o manejo integrado de Tuta absoluta (Meyrick) na cultura do tomate
… tomateiro Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae) constitui-se na praga mais importante da cultura do tomate no Brasil, não existindo sistema de tomada de decisão para o seu controle. Assim, os objetivos dessa pesquisa foram: determinar as melhores unidades amostrais, os níveis de dano …