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 17 of 17 for “"Oviposition preference"”.
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Friend or foe? The arrival of Stator limbatus (Bruchidae) in South Africa
… study conducted a preliminary examination of its oviposition preference, and development on, a number of indigenous and invasive alien Acacia species and the invasive alien Paraserianthes lophantha (all Fabaceae). Oviposition preference appears to be for larger seeds but A. ataxacantha was found …
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Development of integrated pest management for sugarcane borer, Diatraea saccharalis in rice
… on host plant resistance. For this objective, oviposition preference and larval performance of sugarcane borer on commonly grown rice cultivars in Louisiana were investigated. Results from the oviposition preference study revealed significant differences among cultivars. Overall females of D. …
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Preference and performance of the Wild Indigo Duskywing (<i>Erynnis baptisiae</i>) on its native host Yellow Wild Indigo (<i>Baptisia tinctoria</i>) and on the introduced plant Crown Vetch (<i>Securigera varia</i>)
… of this host shift by comparing butterfly preference (larval feeding and female oviposition) and performance (pupal weight and pupation success) of two distinct butterfly populations, on both native and introduced plants. Caterpillars reared on the native plant had significantly greater …
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Experimental and Population Genetic Evidence of Host Race Formation in a Specialized Lycaenid Butterfly
… lek and mating occurs on host trees. Female oviposition preference for the natal host, and differential fitness of larvae when reared on natal vs. alternate hosts, was examined to assess specialization. While some evidence of specialization was found, populations varied in their patterns of …
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ΒΙΟΛΟΓΙΑ ΚΑΙ ΣΥΜΠΕΡΙΦΟΡΑ ΣΤΟ ΕΡΓΑΣΤΗΡΙΟ ΤΟΥ CHAETORELLIA AUSTRALIS HERING (DIPTERA, TEPHRITIDAE), ΕΧΘΡΟΥ ΤΟΥ ΖΙΖΑΝΙΟΥ CENTAUREA SOLSTITIALIS L. (ASTERALES, ASTERACEAE), ΜΕ ΕΜΦΑΣΗ ΣΤΗ ΣΥ...
… MATING BEGAN THE SECOND DAY AFTER EMERGENCE AND OVIPOSITION ONE DAY LATER. FEMALES LAID ON THE AVERAGE 79,1 EGGS AND THE MEAN FERTILITY WAS 90,5%. THE FLY WAS SUCCESSFULLY REARED FOR UP TO 2 GENERATIONS ON AN ARTIFICIAL DIET. SOME BIOLOGICAL DATA OF ADULTS REARED FROM THAT DIET ARE GIVEN. IN THE …
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Influence of Detritus Levels and Organic Pollution on Interspecific Resource Competition, Oviposition Behavior, and Larval Survival of Two Tire-Inhabiting Mosquito Species (Diptera: Culicidae)
… chemicals associated with organic pollution on oviposition preferences and larval survival of both species, and the effects of resource limitation, interspecific density, and chemical pollution on interspecific competition between both species. I conducted field oviposition bioassays in tires …
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Ecology of the Brown Marmorated Stink Bug (Hemiptera: Pentitomidae): Oviposition on Different Trees, Nymphal Development on Various Vegetable Hosts, and Assessment of a Bacterial Pathogen
… nymphs on different vegetable hosts and on the oviposition preference of H. halys on common tree hosts in southwestern Virginia. To determine the effects of vegetable host on H. halys survival, nymphs were placed on one of five vegetable host plants and their corresponding vegetable fruit. …
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The influence of intraspecific variation in host plants on arthropod and fungal endophyte communities
… sativa) affects the larval performance and oviposition preference of the Melissa blue butterfly (Lycaeides melissa), and if among patch variation in plant suitability can explain regional colonization patterns of alfalfa by the Melissa blue. In Chapter Two, I ask how intraspecific, and …
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Mechanisms of Volatile Odorant Detection and Corresponding Behavioral Effects in Drosophila
… Furthermore, FOH detection by Or83c instructs oviposition preference in Drosophila via ai2a sensory neurons. These studies advance general knowledge of the architecture and complexity of the Drosophila olfactory system and provide insights into the molecular basis of behaviors in insects.
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La Crosse Virus in Southwestern Virginia: Role of Exotic Mosquito Species and Effect of Virus Infection on Feeding
… and field studies were conducted to determine oviposition preferences, effect of virus infection on blood-feeding behavior, and compare the efficacy of various methods to determine minimum infection rates of vectors. In laboratory studies of oviposition preference, only Ae. japonicus …
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Integrated pest management of the Mexican rice borer in Louisiana and Texas sugarcane and rice
… more abundant on sugarcane than on rice. Oviposition on sugarcane occurred exclusively on dry leaf material, and the number of dry leaves was positively correlated with egg masses per plant. Several free amino acids essential for insect development increased in sugarcane leaves under …
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Oviposition Preferences for Infusion-Baited Traps and Seasonal Abundance of Culex Mosquitoes in Southwestern Virginia
… Virginia to determine the bionomics and ovipositional preferences of Culex restuans Theobald and Culex pipiens Linnaeus using ovitraps and gravid traps. Both species have been implicated as enzootic and epizootic vectors of West Nile virus (WNV) and these studies provide information on …
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Predicting Multi-trophic Consequences of an Emerging Disease
… to compare larval performance and adult female preference of P. palamedes between C. camphora and P. borbonia foliage. My results indicate moderate survivorship on C. camphora (46%) compared to P. borbonia (87%) and there were no differences in first and fourth instar growth rates between …
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Characterization of Hessian fly from Israel
… evaluation of adults and a free-choice oviposition preference test documenting that females overwhelmingly preferred to oviposit on wheat instead of barley supported the identification of the Israeli samples as Hf. Using the cytochrome c oxidase subunit I (coxI), the Barcoding Region, …
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Responses of Sitotroga cerealella to semiochemicals and physical characteristics of corn kernels
Características físicas e químicas da planta têm relação interespecífica com insetos, as quais podem ser utilizadas no Manejo Integrado de Pragas. Objetivou-se neste trabalho: i) Avaliar a resistência de cinco genótipos de milho (Zea mays) (UFVM100, UFVM200, UFVM100X200, AG1051 e DKB747) sobre S. …
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ΓΕΝΕΤΙΚΗ ΜΕΛΕΤΗ ΠΛΗΘΥΣΜΩΝ ΤΟΥ ΕΝΤΟΜΟΥ CERATITIS CAPITATA (WIEDEMANN) (DIPTERA: TEPHRITIDAE)
… IT DID NOT DETECT ANY PATTERNOF PREPERENCE FOR OVIPOSITION SITES CORRELATED EITHER WITH THE KIND OF THE SIZE OF THE FRUITS. 5) ELECTROPHORETIC DATA, IMPLY THAT THE MEDFLY PROBABLY FOLLOWED 2 DIFFERENT UNITS OF DISPERSION: A) ONE THROUGH THE NILE VALLEY TO EGYPT ANDTHROUGH THE IBERIAN PENNINSULA. …
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Bio-ecological studies of Tuta absoluta in Sudan
… on tomato and French bean maintained a strong ovipositional preference towards tomato. However, offspring F1, F2 and F3 reared on nightshade showed a comparable preference to oviposit on both tomato and black nightshade. The gregarious ectoparasitoid B. nigricans strongly accepted fourth instar …