Research and extension priorities for L. delicatula, as ranked by stakeholders during 2024 – 2025 survey. Mobile version defaults to simplified view. Click below to open full version with horizontal scroll.
| Overall Rank | Research Question | Mean | Standard Deviation | n | Research Area |
|---|---|---|---|---|---|
| 1 | Understanding the efficacy of different insecticides for adults or larvae and residual activity. | 1.4 | 0.9 | 37 | Insecticides |
| 2 | Understand the seasonal incidence and abundance of L. delicatula in the South. | 1.4 | 0.9 | 36 | Lifecycle in the Southeast |
| 3 | Determine the host range/preferences for different life stages of L. delicatula for ornamental or commodities important to the south(pecan, walnut, peach, etc.). | 1.5 | 1 | 36 | Host Preference |
| 4 | Understand the susceptible plant species/cultivars, and how they rank relative to each other. | 1.5 | 1.7 | 35 | Host Preference |
| 5 | Determine the most susceptible life stage of L. delicatula against various insecticides. | 1.5 | 0.9 | 37 | Insecticides |
| 6 | Understand the spatial distribution patterns of L. delicatula in the landscape. | 1.6 | 0.9 | 32 | Spatial Distribution |
| 7 | Identify extension material already developed that can be adapted for the South. | 1.6 | 1 | 23 | Extension |
| 8 | Determine the number of generations, activity time of adults and larvae, reproductive capability of L. delicatula in the South v. North. | 1.6 | 1 | 38 | Lifecycle in the Southeast |
| 9 | Review research, literature, and extension materials from northern states. | 1.7 | 0.8 | 36 | |
| 10 | Understand the dispersal capabilities of L. delicatula and what factors (abiotic/biotic) triggers dispersal. | 1.7 | 1 | 36 | Spatial Distribution |
| 11 | Determine the effectiveness of application method using various insecticides on adult and larval survival. | 1.7 | 1.1 | 38 | Insecticides |
| 12 | Investigate presence, activity, seasonality, etc., of biological control agents that may be present/active and can contribute to SLF management in outbreak hotspots within the SEUS. | 1.7 | 1 | 36 | Biological Control |
| 13 | Identify the importance of workshops or training programs. | 1.7 | 0.8 | 18 | Extension |
| 14 | Understand how environmental factors such as temperature, rainfall, wind, and humidity affect the L. delicatula development. | 1.8 | 1.1 | 36 | Lifecycle in the Southeast |
| 15 | Do degree days or photoperiod trigger oviposition? Are more egg masses laid in the south than the north or is this constant? | 1.8 | 1.1 | 36 | Lifecycle in the Southeast |
| 16 | Identify and determine the efficacy of commercially available entomopathogenic nematodes and fungi on L. delicatula in southern environments. | 1.8 | 1.3 | 36 | Biological Control |
| 17 | Identifying any predators or parasitoids that may be promising in controlling L. delicatula populations. | 1.8 | 1.1 | 21 | Biological Control |
| 18 | Understand characteristics that confer resistance or susceptibility to L. delicatula infestation. | 1.9 | 1.1 | 36 | Host Preference |
| 19 | Determine the quantifiable impact of adult or larval feeding on plant growth and appearance. | 1.9 | 1.1 | 36 | Host Preference |
| 20 | Understand the reproductive capability in association with the host preference in L. delicatula. | 2 | 1.2 | 37 | Host Preference |
| 21 | Understand how the biotic and abiotic factors trigger reproduction and diapause in L. delicatula. | 2 | 1 | 36 | Lifecycle in the Southeast |
| 22 | Developing laboratory/field-based research to document life table parameters (development, survival, reproduction) and understand how life table parameters change on different host species in the southeastern USA. | 2 | 1.1 | 35 | Lifecycle in the Southeast |
| 23 | Understand if L. delicatula is attracted to plant volatiles from hosts common in the southeastern USA and identification of plant volatiles. | 2.1 | 1.1 | 36 | Host Preference |
| 24 | Develop a website for L. delicatula information. | 2.1 | 1.2 | 36 | Extension |
| 25 | Understand the importance of digital/print media as a source of information. | 2.2 | 1.1 | 36 | Extension |
| 26 | Review SLF summit recordings. | 2.3 | 1 | 36 | |
| 27 | Identifying the factors associated with the emission of plant volatiles that adults and larvae of L. delicatula. | 2.4 | 1.1 | 32 | Host Preference |
| Overall Rank | Research Question | Research Area |
|---|---|---|
| 1 | Understanding the efficacy of different insecticides for adults or larvae and residual activity. | Insecticides |
| 2 | Understand the seasonal incidence and abundance of L. delicatula in the South. | Lifecycle in the Southeast |
| 3 | Determine the host range/preferences for different life stages of L. delicatula for ornamental or commodities important to the south(pecan, walnut, peach, etc.). | Host Preference |
| 4 | Understand the susceptible plant species/cultivars, and how they rank relative to each other. | Host Preference |
| 5 | Determine the most susceptible life stage of L. delicatula against various insecticides. | Insecticides |
| 6 | Understand the spatial distribution patterns of L. delicatula in the landscape. | Spatial Distribution |
| 7 | Identify extension material already developed that can be adapted for the South. | Extension |
| 8 | Determine the number of generations, activity time of adults and larvae, reproductive capability of L. delicatula in the South v. North. | Lifecycle in the Southeast |
| 9 | Review research, literature, and extension materials from northern states. | |
| 10 | Understand the dispersal capabilities of L. delicatula and what factors (abiotic/biotic) triggers dispersal. | Spatial Distribution |
| 11 | Determine the effectiveness of application method using various insecticides on adult and larval survival. | Insecticides |
| 12 | Investigate presence, activity, seasonality, etc., of biological control agents that may be present/active and can contribute to SLF management in outbreak hotspots within the SEUS. | Biological Control |
| 13 | Identify the importance of workshops or training programs. | Extension |
| 14 | Understand how environmental factors such as temperature, rainfall, wind, and humidity affect the L. delicatula development. | Lifecycle in the Southeast |
| 15 | Do degree days or photoperiod trigger oviposition? Are more egg masses laid in the south than the north or is this constant? | Lifecycle in the Southeast |
| 16 | Identify and determine the efficacy of commercially available entomopathogenic nematodes and fungi on L. delicatula in southern environments. | Biological Control |
| 17 | Identifying any predators or parasitoids that may be promising in controlling L. delicatula populations. | Biological Control |
| 18 | Understand characteristics that confer resistance or susceptibility to L. delicatula infestation. | Host Preference |
| 19 | Determine the quantifiable impact of adult or larval feeding on plant growth and appearance. | Host Preference |
| 20 | Understand the reproductive capability in association with the host preference in L. delicatula. | Host Preference |
| 21 | Understand how the biotic and abiotic factors trigger reproduction and diapause in L. delicatula. | Lifecycle in the Southeast |
| 22 | Developing laboratory/field-based research to document life table parameters (development, survival, reproduction) and understand how life table parameters change on different host species in the southeastern USA. | Lifecycle in the Southeast |
| 23 | Understand if L. delicatula is attracted to plant volatiles from hosts common in the southeastern USA and identification of plant volatiles. | Host Preference |
| 24 | Develop a website for L. delicatula information. | Extension |
| 25 | Understand the importance of digital/print media as a source of information. | Extension |
| 26 | Review SLF summit recordings. | |
| 27 | Identifying the factors associated with the emission of plant volatiles that adults and larvae of L. delicatula. | Host Preference |
Research and extension priorities for L. delicatula, as ranked by stakeholders during 2024 – 2025 survey.
| Overall Rank | Research Question | Mean | Standard Deviation | n | Research Area |
|---|---|---|---|---|---|
| 1 | Understanding the efficacy of different insecticides for adults or larvae and residual activity. | 1.4 | 0.9 | 37 | Insecticides |
| 2 | Understand the seasonal incidence and abundance of L. delicatula in the South. | 1.4 | 0.9 | 36 | Lifecycle in the Southeast |
| 3 | Determine the host range/preferences for different life stages of L. delicatula for ornamental or commodities important to the south(pecan, walnut, peach, etc.). | 1.5 | 1 | 36 | Host Preference |
| 4 | Understand the susceptible plant species/cultivars, and how they rank relative to each other. | 1.5 | 1.7 | 35 | Host Preference |
| 5 | Determine the most susceptible life stage of L. delicatula against various insecticides. | 1.5 | 0.9 | 37 | Insecticides |
| 6 | Understand the spatial distribution patterns of L. delicatula in the landscape. | 1.6 | 0.9 | 32 | Spatial Distribution |
| 7 | Identify extension material already developed that can be adapted for the South. | 1.6 | 1 | 23 | Extension |
| 8 | Determine the number of generations, activity time of adults and larvae, reproductive capability of L. delicatula in the South v. North. | 1.6 | 1 | 38 | Lifecycle in the Southeast |
| 9 | Review research, literature, and extension materials from northern states. | 1.7 | 0.8 | 36 | |
| 10 | Understand the dispersal capabilities of L. delicatula and what factors (abiotic/biotic) triggers dispersal. | 1.7 | 1 | 36 | Spatial Distribution |
| 11 | Determine the effectiveness of application method using various insecticides on adult and larval survival. | 1.7 | 1.1 | 38 | Insecticides |
| 12 | Investigate presence, activity, seasonality, etc., of biological control agents that may be present/active and can contribute to SLF management in outbreak hotspots within the SEUS. | 1.7 | 1 | 36 | Biological Control |
| 13 | Identify the importance of workshops or training programs. | 1.7 | 0.8 | 18 | Extension |
| 14 | Understand how environmental factors such as temperature, rainfall, wind, and humidity affect the L. delicatula development. | 1.8 | 1.1 | 36 | Lifecycle in the Southeast |
| 15 | Do degree days or photoperiod trigger oviposition? Are more egg masses laid in the south than the north or is this constant? | 1.8 | 1.1 | 36 | Lifecycle in the Southeast |
| 16 | Identify and determine the efficacy of commercially available entomopathogenic nematodes and fungi on L. delicatula in southern environments. | 1.8 | 1.3 | 36 | Biological Control |
| 17 | Identifying any predators or parasitoids that may be promising in controlling L. delicatula populations. | 1.8 | 1.1 | 21 | Biological Control |
| 18 | Understand characteristics that confer resistance or susceptibility to L. delicatula infestation. | 1.9 | 1.1 | 36 | Host Preference |
| 19 | Determine the quantifiable impact of adult or larval feeding on plant growth and appearance. | 1.9 | 1.1 | 36 | Host Preference |
| 20 | Understand the reproductive capability in association with the host preference in L. delicatula. | 2 | 1.2 | 37 | Host Preference |
| 21 | Understand how the biotic and abiotic factors trigger reproduction and diapause in L. delicatula. | 2 | 1 | 36 | Lifecycle in the Southeast |
| 22 | Developing laboratory/field-based research to document life table parameters (development, survival, reproduction) and understand how life table parameters change on different host species in the southeastern USA. | 2 | 1.1 | 35 | Lifecycle in the Southeast |
| 23 | Understand if L. delicatula is attracted to plant volatiles from hosts common in the southeastern USA and identification of plant volatiles. | 2.1 | 1.1 | 36 | Host Preference |
| 24 | Develop a website for L. delicatula information. | 2.1 | 1.2 | 36 | Extension |
| 25 | Understand the importance of digital/print media as a source of information. | 2.2 | 1.1 | 36 | Extension |
| 26 | Review SLF summit recordings. | 2.3 | 1 | 36 | |
| 27 | Identifying the factors associated with the emission of plant volatiles that adults and larvae of L. delicatula. | 2.4 | 1.1 | 32 | Host Preference |
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