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School of Environmental Studies

Student Research and Publications


Current Students:

Peter W. Blum

Concentration: Biology

  1. Horizontal distribution affects the vertical distribution of native and invasive container inhabiting Aedes mosquitoes within an urban landscape (co-author) 2020
     
    Abstract: Mosquitoes breed in temporary bodies of water that are distributed horizontally through the landscape, from puddles at ground level to tree holes high above the forest floor. We found that two species of mosquitoes of container-breeding mosquitoes varied in their preference of height of breeding containers dependent on habitat and a fine spacial scale.

  2. Mesohabitat current velocity effects on Didymosphenia geminata and macroinvertebrates in a SE USA hypolimnetic tailwater. (co-author) 2019

    Abstract: The diatom, Didymosphenia geminata (didymo), forms mats that reduce microhabitat heterogeneity for freshwater macroinvertebrates. We found shifts in macroinvertebrates communities for food utilization and habitat availability resulting from didymo mat formation in the tailwaters below a hypolimnetic dam.

Martine Bowombe-Toko

Concentration: Agriculture

  1. Monitoring of Tribolium castaneum (Coleoptera: Tenebrionidae) in rice mills using pheromone-baited traps (2019)
    Abstract: The red flour beetle is an important pest of rice mills, but there is comparatively less information about its distribution and seasonal patterns of activity in rice mills compared to patterns in wheat flour mills. Using pheromone traps to sample red flour beetle populations in and around four rice mills in Arkansas over a two-year time period, it was shown that although there was considerable variation among mills, overall fewer beetles were found in rough rice storage areas compared to inside the mill. More beetles were trapped during the spring and summer months compared to autumn and winter. Using a target threshold for beetles captured that was previously developed to indicate an increased risk, it was found that most captures in all the mills were below this level. Temperatures inside the mills tended to follow outside temperatures, but to be about 1 degree Celsius warmer than outside. With the level of variation in red flour beetle captures among trap locations observed, this study illustrates that having a monitoring program for each particular facility is an important tool for rice processing facilities. The utilization of pheromone traps could provide information to mill managers to determine locations within a mill that are most vulnerable to infestation and to assist with the timing and targeting of control interventions.

  2. Stored-product insects associated with on-farm storage sites.
    Abstract: A study was conducted from 2014 May to 2014 November on four on-farm rice storage facilities in northeast Arkansas to examine the temporal and spatial distribution of stored-product insects. The two most abundant beetles found at all locations were the warehouse beetle (Trogoderma variabile) and the lesser grain borer (Rhyzopertha dominica). Indianmeal moths (Plodia interpunctella) were also abundant. The red flour beetle (Tribolium castaneum) and cigarette beetle (Lasioderma serricorne) were present, but in lower numbers. Stored-product insects were abundant throughout the summer even when bins were empty.
  3. Stored-Product Insects Associated with On-Farm Storage in Northeast Arkansas
    Abstract: Integrated pest management (IPM) is important to reduce loss and damage to stored bulk rough rice. One component of IPM is to know how insect populations fluctuate over time. We therefore conducted a study from June to November, 2013 on four on-farm rice storage facilities in northeast Arkansas to examine the temporal and spatial distribution of stored-product insects. The warehouse beetle (Trogoderma variabile) and lesser grain borer (Rhyzopertha dominica) were the two most abundant beetles found at all locations. Indianmeal moths (Plodia interpunctella) and red flour beetles (Tribolium castaneum) were also present, but in lower numbers. Interestingly, stored-product insects were very abundant throughout the summer even when rice was not stored at these facilities.

Cody Godwin 

Concentration: Biology

  1. Natural History Note VARANUS GOULDII (Goulds’s monitor) Diet and Cannibalism. Herpetological Review 51(1):136-7. 
  2. Geographic distribution Thamnophis sirtalis (Common Gartersnake) Herpetological Review 51(4): 784. 
  3. Geographic distribution Nerodia erythrogaster (Plain-bellied Watersnake) Herpetological Review 51(4): 782.
  4. Geographic distribution Agkistrodon contortrix (Eastern Copperhead) Herpetological Review 51(4): 780. 
  5. Geographic distribution Storeria occipitomaculata (Red-bellied Snake) Herpetological Review 51(4): 784. 
  6. Geographic distribution Chrysemys picta (Painted turtle) Herpetological Review 51(4): 771. 
  7. The Impact ATVs on Survival of Softshell Turtle (Apalone spp.) Nests. Journal of Herpetology. (June, 2021).
  8. Snake Fungal Disease (Ophidiomycosis) in Southeastern Snake Populations. SEPARC DTT Information Sheet 21. 

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