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 10 of 10 for “"Larval age"”.
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Behavioral responses of invertebrate larvae to water column cues
… two-phase life histories, relying on planktonic larval stages for dispersal and exchange of individuals between adult populations. Historically, larvae were considered passive drifters in prevailing ocean currents. More recently, however, the paradigm has shifted toward active larval behavior …
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Behavioral responses of invertebrate larvae to water column cues
… two-phase life histories, relying on planktonic larval stages for dispersal and exchange of individuals between adult populations. Historically, larvae were considered passive drifters in prevailing ocean currents. More recently, however, the paradigm has shifted toward active larval behavior …
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Effects of a dual application of entomopathogenic nematodes and entomopathogenic fungi against a forest pest, Hylobius abietis L. (Coleoptera: Curculionidae) and a horticultural pest, Otiorhynchus sulcatus F. (Coleoptera: Curculionidae)
… life cycle and are commonly used as biocontrol agents. Studies have shown that a combination of EPN and EPF can result in greater insect mortality when compared to the agents applied alone. This interaction could possibly reduce the cost and quantities of single dose applications, inferring a …
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Ingestion Rates of Five Species of Pacific Northwest Echinoderm Larvae on Natural and Artificial Particles
… feed made from the concentrate of Ziegler E-Z Larval diet. The numbers of cells ingested per minute and total body length were recorded for each species. The volume of cells ingested varied significantly among species, diets and larval age. Pisaster and Evasterias larvae ingested particles at …
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Biology of immature Culicoides variipennis ssp. australis (Coq.) (Diptera:Ceratopogonidae) at Saltville, VA
The larval and pupal biology of a unique population of gulicoides variipennis inhabiting the brine ponds of Saltville, VA was studied. Developmental threshold temperatures (OC) and thermal constants (Odays) for larvae and pupae were 9.6OC and 387Odays (larval stage) and 9.6OC and 3OOdays (pupal …
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Reproduction and larval biology of North Atlantic asteroids related to the invasion of the deep sea
… on the effects of pressure and temperature on larval development of Atlantic asteroids, to investigate the physiological potential for deep sea invasion by shallow-water species. Eggs of the shallow-water asteroids Asterias rubens Linnaeus and Marthasterias glacialis (Linnaeus) were fertilized …
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Multiplicação de Spodoptera frugiperda multiple nucleopolyhedrovirus (SfMNPV) em lagartas de Spodoptera frugiperda (Lepidoptera: Noctuidae)
A utilização de bioinseticida a base de Spodoptera frugiperda multiple nucleopolyhedrovirus (SfMNPV) tem potencial para o controle de Spodoptera frugiperda (Lepidoptera: Noctuidae), porém seu uso em larga escala depende de se maximizar sua produção a partir de larvas infectadas. A temperatura …
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Modelling the Thermodynamics of Maggot Masses during Decomposition
Estimating the minimum PMI (mPMI) based on larval age involves identifying the species, reconstructing the thermal history at a crime scene, and modelling the rate of development. However, few studies take into consideration the mass-generated heat produced by larvae co-existing in an aggregation. …
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Evaluasi ketahanan beberapa galur kapas (Gossypium hirsutum L.) terhadap penggerek buah (Helicoverpa armigera Hbn.)
… new hatch, starting from neonate to pupal stage. Observed variables as indicators of resilience is the percentage mortality of larvae, larval and pupal weight, and age of larvae and pupae. The results showed that the strain of cotton that has a resistance that is resistant to fruit borer …
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Development of a formulated diet for mud crab, Scylla sewata, larvae
… replace live food in mud crab, Scylla serrata, larval culture. A microbound diet (MBD) was formulated based on known requirements of other crustaceans and was assessed for ingestion and retention by the various larval stages of S. serrata. Ingestion and retention was determined by labeling the …