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Articles 661 - 690 of 11470
Full-Text Articles in Life Sciences
Lateral Dispersal Of Adult Trichoptera: Flight Distance And Traveling Pattern, Peilin Tan
Lateral Dispersal Of Adult Trichoptera: Flight Distance And Traveling Pattern, Peilin Tan
All Theses
Trichoptera species (caddisfly) are usually used as bio-indictors for surface water quality due to their sensitivity to environmental changes, and if assessing water quality with light-trapped adults, knowing their travelling patterns will improve the accuracy of such assessments. To investigate how far a caddisfly will migrate from their emerging stream, three streams in South Carolina with different widths (Wildcat Creek 1.2 m, Brasstown Creek 11.2 m and Chattooga River 26.95 m) were selected for this study with light traps placed at three distances (0 m, 50 m, 100 m) from the streams. How long and when? Both species richness and …
Understanding And Intervening In Children's Tick Risk Perceptions And Protective Behaviors: A Grounded Theory, Ariel Dawdy
Understanding And Intervening In Children's Tick Risk Perceptions And Protective Behaviors: A Grounded Theory, Ariel Dawdy
Department of Entomology: Dissertations, Theses, and Student Research
Children, ages 8 years and younger, are at a particularly high risk of contracting a tick-borne disease. This is partially due to the misconceptions spread about tick protective behavior and a poor understanding of how antibiotic treatment can help. Because most communities and families believe that tick control is the individual’s responsibility, looking at the interaction between ticks and human children is essential to understanding the individual’s motivations to protect themselves. To help alleviate the number of individuals contracting tick-borne diseases, misconceptions must be addressed, intervention programs implemented, and a behavioral change must occur. This study used a qualitative research …
Understanding The Interactions Between Pollen-Borne Ilarviruses And Pollinators In Peach Orchards, Mandeep Tayal
Understanding The Interactions Between Pollen-Borne Ilarviruses And Pollinators In Peach Orchards, Mandeep Tayal
All Dissertations
Pollen-mediated virus transmission is a common problem in fruit crops. Prunus necrotic ringspot virus (PNRSV) and prune dwarf virus (PDV) are pollen-borne ilarviruses endemic to the southeastern U.S. and cause substantial losses in peach production. PNRSV and PDV are primarily transmitted through vegetative propagation (grafting) as well as via pollen and seed. However, the role of pollinators in transmission dynamics of these viruses is not well understood. First, I documented the bee diversity and abundance during peach bloom in South Carolina, identifying Bombus and Apis as the most dominant genera, followed by Eucera, Andrena and Habropoda. Bee community composition …
The Effects Of Livestock On Mosquito Diversity And Abundance In Hidalgo County, Taylor Nicole Moya
The Effects Of Livestock On Mosquito Diversity And Abundance In Hidalgo County, Taylor Nicole Moya
Theses and Dissertations
Mosquitoes are detrimental to animals and threaten humans. More information is needed on how farm animal presence may impact mosquito abundance and diversity at farms. My goal in this study is to determine if there is any correlation between animal abundance or diversity on a farm and the abundance and diversity of mosquitoes collected. Hidalgo County, Texas, has a subtropical desert climate, ideal for mosquitoes. I hypothesized that the mosquito abundance and diversity indices would increase as the livestock abundance or diversity increases. Adult mosquitoes were collected using two CO2-baited light traps per farm from Spring 2022 to Fall 2022. …
Rice Sucrose Non-Fermenting Related Protein Kinase (Snrk1) Has A Limited Role In Defense Against Fall Armyworm (Spodoptera Frugiperda), Devi Balakrishnan, Vibha Srivastava, Rupesh Kariyat
Rice Sucrose Non-Fermenting Related Protein Kinase (Snrk1) Has A Limited Role In Defense Against Fall Armyworm (Spodoptera Frugiperda), Devi Balakrishnan, Vibha Srivastava, Rupesh Kariyat
Entomology and Plant Pathology Faculty Publications and Presentations
Sucrose non-fermenting (SNF) related protein kinase 1 (SnRK1) is a master regulator of energy deprivation signaling, has also been implicated in abiotic and biotic stress regulation. SnRK1 promotes stress tolerance through metabolic and transcriptional changes and plays important roles in innate immunity against various pathogens. However, whether it plays a role against insect herbivory is not understood. To test this, using the wild type (with SnRK1) and snrk1 mutant lines in rice, we examined the potential role of SnRK1 in rice against the ruinous pest, Fall armyworm (FAW), Spodoptera frugiperda. We also investigated the response of FAW towards these lines …
Variation In Sorghum Aphid (Melanaphis Sorghi) 1 Populations Translates Into Life History Traits On Sorghum-Sudangrass (Sorghum´ Drummondii), Neetu Khanal, Christopher J. Vitek, Rupesh R. Kariyat
Variation In Sorghum Aphid (Melanaphis Sorghi) 1 Populations Translates Into Life History Traits On Sorghum-Sudangrass (Sorghum´ Drummondii), Neetu Khanal, Christopher J. Vitek, Rupesh R. Kariyat
School of Integrative Biological & Chemical Sciences Faculty Publications
Sorghum aphid (Melanaphis sorghi; SA) (Theobald) is a new invasive pest of sorghum first reported in the USA in 2013. Since then, the use of synthetic pesticides and resistant cultivars have increased, which has caused levels of differences in the populations of SAs and led to the potential emergence of new biotype(s) of SA. However, most research has concentrated on comparing SA fed on sorghum, sugarcane, and other hosts, which may have obscured any population differences that may exist within sorghum. To understand this, we collected three populations of SA that fed on sorghum from three different locations around …
Assessing The Influence Of Native And Invasive Grasses On The Behavior Of Aedes Aegypti In South Texas, Emily Medelez
Assessing The Influence Of Native And Invasive Grasses On The Behavior Of Aedes Aegypti In South Texas, Emily Medelez
Theses and Dissertations
Invasive grasses in South Texas can have widespread negative effects, displacing native species, reducing biodiversity, and posing risks to public health. These grasses may flourish in moist, shaded environments, which not only support their growth but also creates habitats favorable for mosquito activity. This can increase the population and alter the behavior of mosquitoes, potentially raising the risk of disease transmission. In this thesis, I look at the behavior of mosquito species Aedes aegypti, primary vector of the yellow fever virus. I analyzed the influence of oviposition, flight and resting behaviors. I tested the relative attraction of Aedes mosquitoes …
Bioinformatics Analysis Of The Microsporidia Sp. Mb Genome: A Malaria Transmission-Blocking Symbiont Of The Anopheles Arabiensis Mosquito, Lilian Mbaisi Ang’Ang’O, Jeremy Keith Herren, Özlem Tastan Bishop
Bioinformatics Analysis Of The Microsporidia Sp. Mb Genome: A Malaria Transmission-Blocking Symbiont Of The Anopheles Arabiensis Mosquito, Lilian Mbaisi Ang’Ang’O, Jeremy Keith Herren, Özlem Tastan Bishop
All Peer-Reviewed Publications
Background: The use of microsporidia as a disease-transmission-blocking tool has garnered significant attention. Microsporidia sp. MB, known for its ability to block malaria development in mosquitoes, is an optimal candidate for supplementing malaria vector control methods. This symbiont, found in Anopheles mosquitoes, can be transmitted both vertically and horizontally with minimal effects on its mosquito host. Its genome, recently sequenced from An. arabiensis, comprises a compact 5.9 Mbp. Results: Here, we analyze the Microsporidia sp. MB genome, highlighting its major genomic features, gene content, and protein function. The genome contains 2247 genes, predominantly encoding enzymes. Unlike other members of the …
Shaping The Microbial Landscape: Parasitoid-Driven Modifications Of Bactrocera Dorsalis Microbiota, Rehemah Gwokyalya, Jeremy K. Herren, Christopher W. Weldon, Shepard Ndlela, Joseph Gichuhi, Nehemiah Ongeso, Anne W. Wairimu, Sunday Ekesi, Samira A. Mohamed
Shaping The Microbial Landscape: Parasitoid-Driven Modifications Of Bactrocera Dorsalis Microbiota, Rehemah Gwokyalya, Jeremy K. Herren, Christopher W. Weldon, Shepard Ndlela, Joseph Gichuhi, Nehemiah Ongeso, Anne W. Wairimu, Sunday Ekesi, Samira A. Mohamed
All Peer-Reviewed Publications
Koinobiont endoparasitoids regulate the physiology of their hosts through altering host immuno-metabolic responses, processes which function in tandem to shape the composition of the microbiota of these hosts. Here, we employed 16S rRNA and ITS amplicon sequencing to investigate whether parasitization by the parasitoid wasps, Diachasmimorpha longicaudata (Ashmaed) (Hymenoptera: Braconidae) and Psyttalia cosyrae (Wilkinson) (Hymenoptera: Braconidae), induces gut dysbiosis and differentially alter the gut microbial (bacteria and fungi) communities of an important horticultural pest, Bactrocera dorsalis (Hendel) (Diptera: Tephritidae). We further investigated the composition of bacterial communities of adult D. longicaudata and P. cosyrae to ascertain whether the adult parasitoids …
Edible Caterpillars (Gonimbrasia Belina And Gynanisa Maja) As Emerging Source Of Nutrients And Bioactive Compounds, Chrysantus M. Tanga, Brian O. Ochieng, Dennis Beesigamukama, Changeh J. Ghemoh, Cynthia Mudalungu, Xavier Cheseto, Isaac M. Osuga, Sevgan Subramanian, Segenet Kelemu
Edible Caterpillars (Gonimbrasia Belina And Gynanisa Maja) As Emerging Source Of Nutrients And Bioactive Compounds, Chrysantus M. Tanga, Brian O. Ochieng, Dennis Beesigamukama, Changeh J. Ghemoh, Cynthia Mudalungu, Xavier Cheseto, Isaac M. Osuga, Sevgan Subramanian, Segenet Kelemu
All Peer-Reviewed Publications
Globally, despite the commercial and cultural importance of edible caterpillars (Gynanisa maja and Gonimbrasia belina), comprehensive information on their dietary and therapeutic benefits has not been fully explored. The study was aimed at evaluating the nutritional composition and bioactive compounds profile of two important edible caterpillars (Gonimbrasia belina and Gynanisa maja) in Africa. Our results demonstrated that G. belina and G. maja are capable of amplifying host plant protein (17 %) by 4.3-folds [72.8 %] and 3.6-folds [61.3 %], respectively. Lysine (32.6 mg/g), methionine (12.5–27.1 mg/g) and valine (7.7–25.4 mg/g) value were significantly harnessed. Substantial amounts of ω−3 fatty acids …
Unearthing Lactococcus Lactis And Scheffersomyeces Symbionts From Edible Wood-Boring Beetle Larvae As A Bio-Resource For Industrial Applications, Shadrack Kibet, Cynthia M. Mudalungu, Njogu M. Kimani, John Mark O. Makwatta, James Kabii, Subramanian Sevgan, Segenet Kelemu, Chrysantus M. Tanga
Unearthing Lactococcus Lactis And Scheffersomyeces Symbionts From Edible Wood-Boring Beetle Larvae As A Bio-Resource For Industrial Applications, Shadrack Kibet, Cynthia M. Mudalungu, Njogu M. Kimani, John Mark O. Makwatta, James Kabii, Subramanian Sevgan, Segenet Kelemu, Chrysantus M. Tanga
All Peer-Reviewed Publications
Background: Gut microbiota have several advantages in influencing the host nutrition, metabolism, immunity and growth. However, the understanding of the gut microbiota in key edible wood-boring beetle larvae remain largely undefined. In the present study, the characteristics of the gut microbiota of two edible wood-boring species (Titocerus jaspideus and Passalus punctiger) from two indigenous forested areas were investigated. Results: Over 50% of Amplicon Sequence Variants (ASVs) constituted of Firmicutes in T. jaspideus. The dominant phyla in both beetle species were Bacteroidota (4.20–19.79%) and Proteobacteria (15.10–23.90%). Lactococcus lactis was the most abundant and core prokaryote in the guts of T. jaspideus. …
Chemosensory Function Of Varroa Gnathosoma: Transcriptomic And Proteomic Analyses, Beatrice T. Nganso, Nurit Eliash, Kannan Mani, Noa Sela, Alejandro Villar-Briones, Angelina Fathia Osabutey, Ada Rafaeli, Alexander S. Mikheyev, Victoria Soroker
Chemosensory Function Of Varroa Gnathosoma: Transcriptomic And Proteomic Analyses, Beatrice T. Nganso, Nurit Eliash, Kannan Mani, Noa Sela, Alejandro Villar-Briones, Angelina Fathia Osabutey, Ada Rafaeli, Alexander S. Mikheyev, Victoria Soroker
All Peer-Reviewed Publications
In this study, we evaluated the role of the gnathosoma (mouthparts) in chemosensing of the most devastating honey bee parasite, Varroa destructor mite. Through transcriptomic analysis, we compared the expression of putative chemosensory genes between the body parts containing the main chemosensory organs (the forelegs), gnathosoma and the rest of the body devoid of these two body parts. Furthermore, we checked the presence of chemosensory-related transcripts in the proteome of the gnathosoma. Our comparative transcriptomic analysis revealed the presence of 83 transcripts with known characteristic conserved domains belonging to eight chemosensory gene families in the three Varroa transcriptomes. Among these …
A Mathematical Model For Mapping The Insecticide Resistance Trend In The Anopheles Gambiae Mosquito Population Under Climate Variability In Africa, Komi Mensah Agboka, Mark Wamalwa, James Mutuku Mutunga, Henri E.Z. Tonnang
A Mathematical Model For Mapping The Insecticide Resistance Trend In The Anopheles Gambiae Mosquito Population Under Climate Variability In Africa, Komi Mensah Agboka, Mark Wamalwa, James Mutuku Mutunga, Henri E.Z. Tonnang
All Peer-Reviewed Publications
The control of arthropod disease vectors using chemical insecticides is vital in combating malaria, however the increasing insecticide resistance (IR) poses a challenge. Furthermore, climate variability affects mosquito population dynamics and subsequently IR propagation. We present a mathematical model to decipher the relationship between IR in Anopheles gambiae populations and climate variability. By adapting the susceptible-infected-resistant (SIR) framework and integrating temperature and rainfall data, our model examines the connection between mosquito dynamics, IR, and climate. Model validation using field data achieved 92% accuracy, and the sensitivity of model parameters on the transmission potential of IR was elucidated (e.g. μPRCC = …
Insights Into Malaria Vectors–Plant Interaction In A Dryland Ecosystem, Fiona Kinya, Trizah K. Milugo, Clifford M. Mutero, Charles S. Wondji, Baldwyn Torto, David P. Tchouassi
Insights Into Malaria Vectors–Plant Interaction In A Dryland Ecosystem, Fiona Kinya, Trizah K. Milugo, Clifford M. Mutero, Charles S. Wondji, Baldwyn Torto, David P. Tchouassi
All Peer-Reviewed Publications
Improved understanding of mosquito–plant feeding interactions can reveal insights into the ecological dynamics of pathogen transmission. In wild malaria vectors Anopheles gambiae s.l. and An. funestus group surveyed in selected dryland ecosystems of Kenya, we found a low level of plant feeding (2.8%) using biochemical cold anthrone test but uncovered 14-fold (41%) higher rate via DNA barcoding targeting the chloroplast rbcL gene. Plasmodium falciparum positivity was associated with either reduced or increased total sugar levels and varied by mosquito species. Gut analysis revealed the mosquitoes to frequently feed on acacia plants (~ 89%) (mainly Vachellia tortilis) in the family Fabaceae. …
Biological Reinforcement Learning Simulation For Natural Enemy -Host Behavior: Exploring Deep Learning Algorithms For Population Dynamics, Komi Mensah Agboka, Emmanuel Peter, Erion Bwambale, Bonoukpoè Mawuko Sokame
Biological Reinforcement Learning Simulation For Natural Enemy -Host Behavior: Exploring Deep Learning Algorithms For Population Dynamics, Komi Mensah Agboka, Emmanuel Peter, Erion Bwambale, Bonoukpoè Mawuko Sokame
All Peer-Reviewed Publications
This study introduces a simulation of biological reinforcement learning to explore the behavior of natural enemies in the presence of host pests, aiming to analyze the population dynamics between natural enemies and insect pests within an ecological context. The simulation leverages on Q-learning, a reinforcement learning algorithm, to model the decision-making processes of both parasitoids/predators and pests, thereby assessing the impact of varying parasitism and predation rates on pest population growth. Simulation parameters, such as episode count, duration in months, steps, learning rate, and discount factor, were set arbitrarily. Environmental and reward matrices, representing climatic conditions, crop availability, and the …
Biochemistry And Transcriptomic Analyses Of Phthorimaeaabsoluta (Lepidoptera: Gelechiidae) Response To Insecticides, Samantha W. Karanu, Inusa J. Ajene, Elijah K. Lelmen, Maureen A. Ong’Onge, Komivi S. Akutse, Fathiya M. Khamis
Biochemistry And Transcriptomic Analyses Of Phthorimaeaabsoluta (Lepidoptera: Gelechiidae) Response To Insecticides, Samantha W. Karanu, Inusa J. Ajene, Elijah K. Lelmen, Maureen A. Ong’Onge, Komivi S. Akutse, Fathiya M. Khamis
All Peer-Reviewed Publications
Phthorimaeaabsoluta is an invasive solanaceous plant pest with highly devastating effects on tomato plant. Heavy reliance on insecticide use to tackle the pest has been linked to insecticide resistance selection in P.absoluta populations. To underline insights on P.absoluta insecticide resistance mechanisms to diamides and avermectins, we evaluated the transcriptomic profile of parental (field-collected) and F8 (lab-reared) populations. Furthermore, to screen for the presence of organophosphate and pyrethroid resistance, we assessed the gene expression levels of acetylcholinesterase (ace1) and para-type voltage-gated sodium channel (VGSG) genes in the F1 to F8 lab-reared progeny of diamide and avermectin exposed P.absoluta field-collected populations. The …
The Global Atlas Of Edible Insects: Analysis Of Diversity And Commonality Contributing To Food Systems And Sustainability, Evanson R. Omuse, Henri E.Z. Tonnang, Abdullahi Ahmed Yusuf, Honest Machekano, James Peter Egonyu, Emily Kimathi, Samira Faris Mohamed, Menale Kassie, Sevgan Subramanian, Juliet Onditi, Serah Mwangi, Sunday Ekesi, Saliou Niassy
The Global Atlas Of Edible Insects: Analysis Of Diversity And Commonality Contributing To Food Systems And Sustainability, Evanson R. Omuse, Henri E.Z. Tonnang, Abdullahi Ahmed Yusuf, Honest Machekano, James Peter Egonyu, Emily Kimathi, Samira Faris Mohamed, Menale Kassie, Sevgan Subramanian, Juliet Onditi, Serah Mwangi, Sunday Ekesi, Saliou Niassy
All Peer-Reviewed Publications
The future of the food system on the planet is increasingly facing uncertainties that are attributable to population growth and a surge in demand for nutritious food. Traditional agricultural practices are poised to place strain on production, as well as natural resources and ecosystem services provided, particularly under a changing climate. Given their remarkable attributes, including a low environmental footprint, high food conversion ratio, rapid growth and nutritional values, edible insects can play a vital role in the global food system. Nonetheless, substantial knowledge gaps persist regarding their diversity, global distribution, and shared characteristics across regions, potentially impeding effective scaling …
Community Perceptions, Acceptability, And The Durability Of House Screening Interventions Against Exposure To Malaria Vectors In Nyimba District, Zambia, Kochelani Saili, Christiaan De Jager, Freddie Masaninga, Brian Chisanga, Andy Sinyolo, Japhet Chiwaula, Jacob Chirwa, Busiku Hamainza, Emmanuel Chanda, Nathan N. Bakyaita, Clifford Maina Mutero
Community Perceptions, Acceptability, And The Durability Of House Screening Interventions Against Exposure To Malaria Vectors In Nyimba District, Zambia, Kochelani Saili, Christiaan De Jager, Freddie Masaninga, Brian Chisanga, Andy Sinyolo, Japhet Chiwaula, Jacob Chirwa, Busiku Hamainza, Emmanuel Chanda, Nathan N. Bakyaita, Clifford Maina Mutero
All Peer-Reviewed Publications
Background: House screening remains conspicuously absent in national malaria programs despite its recognition by the World Health Organization as a supplementary malaria vector-control intervention. This may be attributed, in part, to the knowledge gap in screen durability or longevity in local climatic conditions and community acceptance under specific cultural practices and socio-economic contexts. The objectives of this study were to assess the durability of window and door wire mesh screens a year after full house screening and to assess the acceptability of the house screening intervention to the participants involved. Methods: This study was conducted in Nyimba district, Zambia and …
Seasonal Abundances Of Aedes Aegypti And Culex Quinquefasciatus In An Urban Community In The Texas/Mexico Border, Kevyn Amezcua
Seasonal Abundances Of Aedes Aegypti And Culex Quinquefasciatus In An Urban Community In The Texas/Mexico Border, Kevyn Amezcua
Open Access Theses & Dissertations
AAedes aegypti and Culex quinquefasciatus are two medically relevant species of mosquitoes that can transmit several arboviruses that affect human health. Ae. aegypti is a vector for viral diseases such as Dengue, Yellow Fever, Chikungunya, and Zika, while Cx. quinquefasciatus is a vector for West Nile and Saint Louis Encephalitis. Both species are mostly found in urban environments and are affected by several anthropogenic factors such as the presence of artificial containers and overall changes to the native landscape. Little research is done on the ecology of these two species in the Chihuahuan desert, which has some areas that are …
First Record Of The Mexican-M Hairstreak Parrhasius Moctezuma (Clench, 1971) (Lepidoptera: Lycaenidae) In Texas, Usa, And Possible Sighting Of The Tequila Giant Skipper Aegiale Hesperiaris (Walker, 1856) (Lepidoptera: Hesperiidae), Sajan Kc, Anisha Sapkota
First Record Of The Mexican-M Hairstreak Parrhasius Moctezuma (Clench, 1971) (Lepidoptera: Lycaenidae) In Texas, Usa, And Possible Sighting Of The Tequila Giant Skipper Aegiale Hesperiaris (Walker, 1856) (Lepidoptera: Hesperiidae), Sajan Kc, Anisha Sapkota
Insecta Mundi
We report two significant butterfly sightings in the United States, observed during an opportunistic photographic survey conducted in south Texas between December 2022 and January 2023. Parrhasius moctezuma (Clench, 1971) (Lepidoptera: Lycaenidae) was sighted at the National Butterfly Center in Mission, Texas on January 5, 2023, marking the first documented record of the species in Texas and only the second in the United States, as confirmed by photographic evidence. Additionally, Aegiale hesperiaris (Walker, 1856) (Lepidoptera: Hesperiidae) was potentially observed at the same location on December 4, 2022, although lacking photographic documentation or a collected specimen, highlighting the need for further …
The Puzzling Distribution Of Platphalonidia Aenigmana, New Species, From The Western U. S. A. And Colombia (Lepidoptera: Tortricidae: Cochylina), John W. Brown
Insecta Mundi
Platphalonidia aenigmana Brown, new species (Lepidoptera: Tortricidae), is described and illustrated from Arizona, California, and Oregon, U. S. A. and Colombia, South America. The new species has been reared on numerous occasions from Garrya elliptica Dougl. ex Lindl. (Garryaceae) in northern California and Oregon, once on Arctostaphylos sp. (Ericaceae) in southern California, and once on Gomphrena globosa L. (Amaranthaceae) in Colombia. Various hypotheses are explored to explain the unusual disjunct geographic distribution of the species. In addition, Phalonidia bassii Razowski (Tortricidae) is transferred to Saphenista Walsingham, resulting in Saphenista bassii (Razowski, 1999), new combination.
A New Species Of Cymatodera Gray (Coleoptera: Cleridae) From Central Arizona, Jacques Rifkind
A New Species Of Cymatodera Gray (Coleoptera: Cleridae) From Central Arizona, Jacques Rifkind
Insecta Mundi
Cymatodera campbelli, new species (Coleoptera: Cleridae), is described from central Arizona, United States. Though superficially similar to several other small species of Southwestern Cymatodera Gray that are commonly collected at lights, this apparently rare species has distinctive coloration and surface sculpturing. Its discovery suggests that systematic collecting even in areas that have historically attracted entomological attention may still yield additions to our fauna.
Genomic Analysis Reveals Hidden Species Diversity In Emesis Fabricius (Lepidoptera: Riodinidae), Jing Zhang, Qian Cong, Jinhui Shen, Leina Song, Nick V. Grishin
Genomic Analysis Reveals Hidden Species Diversity In Emesis Fabricius (Lepidoptera: Riodinidae), Jing Zhang, Qian Cong, Jinhui Shen, Leina Song, Nick V. Grishin
Insecta Mundi
Genomic analysis of Emesis [Fabricius], 1807 (Lepidoptera: Riodinidae Grote, 1895) reveals species richness higher than anticipated. As a result, one subgenus, 22 species, and one subspecies are proposed as new (type species or type localities in parenthesis): Diogenia Grishin, new subgenus (Emesis diogenia Prittwitz, 1865), Emesis (Emesis) aerunda Grishin, new species (Peru: Rio Pachitea, Monte Alegre), Emesis (Emesis) bartica Grishin, new species (Guyana: Cuyuni-Mazaruni), Emesis (Emesis) fatimellina Grishin, new species (Brazil: Santa Catarina), Emesis (Emesis) panamella Grishin, new species (Panama: Darién), Emesis (Mandania) mandora Grishin, new species (Ecuador: …
First Records Of The Spider Wasp Entypus Ochrocerus Dahlbom (Hymenoptera: Pompilidae: Pepsinae) From The Continental United States, Jamaica, And The Bahamas, Frank E. Kurczewski, Rick C. West, Dionne Newell, Scott Johnson
First Records Of The Spider Wasp Entypus Ochrocerus Dahlbom (Hymenoptera: Pompilidae: Pepsinae) From The Continental United States, Jamaica, And The Bahamas, Frank E. Kurczewski, Rick C. West, Dionne Newell, Scott Johnson
Insecta Mundi
A small population of Entypus ochrocerus Dahlbom, a predominantly Greater Antilles spider wasp (Hymenoptera: Pompilidae: Pepsinae), is reported for the first time from the continental United States based on photographs and associated information from iNaturalist.org. The species was initially misidentified online as E. unifasciatus unifasciatus (Say) or Entypus sp. However, Entypus u. unifasciatus individuals from east of the 100th Meridian in the United States typically have melanochromatic (dark) wings with a subapical xanthochromatic (orange-amber) patch. Entypus ochrocerus from Miami-Dade County, Florida is differentiated from E. u. unifasciatus by its black body with dark greenish blue reflections …
New Country Records For Macroscython Granulosus Otto, 2016 (Coleoptera: Eucnemidae: Dromaeolinae: Dromaeolini), With Redescription Of The Female, Robert L. Otto, Jiří Háva
New Country Records For Macroscython Granulosus Otto, 2016 (Coleoptera: Eucnemidae: Dromaeolinae: Dromaeolini), With Redescription Of The Female, Robert L. Otto, Jiří Háva
Insecta Mundi
New country records for Macroscython granulosus Otto, 2016 (Coleoptera: Eucnemidae: Dromaeolinae: Dromaeolini), a eucnemid known only from Laos and Thailand, are reported from China and Nepal. A redescription and images of the female are provided.
Review Of Nealyda Dietz (Lepidoptera: Gelechiidae: Apatetrinae) With Description Of A New Species From The Florida Keys, Sidney V. Bennett, James E. Hayden
Review Of Nealyda Dietz (Lepidoptera: Gelechiidae: Apatetrinae) With Description Of A New Species From The Florida Keys, Sidney V. Bennett, James E. Hayden
Insecta Mundi
Nealyda grandipinella Bennett and Hayden, new species, is described from Big Pine Key, Florida, USA. Photographs of the adult and of male and female genitalia are provided for N. grandipinella and its congeners within the state of Florida. Nealyda Dietz (Lepidoptera: Gelechiidae) is provisionally transferred from Anomologinae to Apatetrinae based on characters of the genitalia. The homology and terminology of the processes arising from the vinculum of gelechiid genitalia are explored. The potential host plant of the new species is discussed, along with other undescribed species of Nealyda.
First Record Of The Camphor Shot Borer, Cnestus Mutilatus (Blandford) (Coleoptera: Curculionidae: Scolytinae), In Massachusetts, Lawrence E. Barringer
First Record Of The Camphor Shot Borer, Cnestus Mutilatus (Blandford) (Coleoptera: Curculionidae: Scolytinae), In Massachusetts, Lawrence E. Barringer
Insecta Mundi
Cnestus mutilatus (Blandford) (Coleoptera: Curculionidae: Scolytinae) is reported from Massachusetts, United States for the first time. Brief trapping information is provided.
Red Harvester Ants Pogonomyrmex Barbatus (Smith, 1858) (Hymenoptera: Formicidae) Do Not Distinguish Between Sorghum Head Mold Symptomatic And Asymptomatic Seeds, Lilly Victoria Elliott-Vidaurri, Hannah J. Penn, Robin A. Choudhury
Red Harvester Ants Pogonomyrmex Barbatus (Smith, 1858) (Hymenoptera: Formicidae) Do Not Distinguish Between Sorghum Head Mold Symptomatic And Asymptomatic Seeds, Lilly Victoria Elliott-Vidaurri, Hannah J. Penn, Robin A. Choudhury
School of Earth, Environmental, & Marine Sciences Faculty Publications
Red harvester ants, Pogonomyrmex barbatus (Smith, 1858) (Hymenoptera: Formicidae), common in the Lower Rio Grande Valley of Texas, are known to gather seeds from areas around their nests and store the seeds inside their nests for later consumption. As these ants often nest in and near agricultural fields, some of these seeds may be from crops and may also be infected with fungal plant pathogens. These pathogens can degrade seed coats and may cause the seeds to rot within the ant nests, decreasing storage time and potentially spreading the pathogen to other stored seeds. We studied how head mold, a …
New Taxa Of Butterflies Supported By Genomic Analysis, Jing Zhang, Qian Cong, Jinhui Shen, Leina Song, Nick V. Grishin
New Taxa Of Butterflies Supported By Genomic Analysis, Jing Zhang, Qian Cong, Jinhui Shen, Leina Song, Nick V. Grishin
The Taxonomic Report of the International Lepidoptera Survey
Continuing with the genomic analysis of butterflies, we present a taxonomic update. As a result of this work, 3 genera, 6 subgenera, 16 species, and 2 subspecies are described as new. New genera and subgenera are (type species in parenthesis): Systasia Grishin, gen. n. (Hesperia zampa W. H. Edwards, 1876) and Asysta Grishin, gen. n. (Systasea microsticta Dyar, 1923) in Pyrgini Burmeister, 1878 and Alyco Grishin, gen. n. (Styriodes quota Evans, 1955) in Moncina A. Warren, 2008; Ocynthus Grishin, subgen. n. (Ocybadistes hypomeloma Lower, 1911) of Potanthus Scudder, 1872, Arrhona Grishin, subgen. n. (Padraona tranquilla …
Integrating Ecophysiology And Omics To Unlock Crop Response To Drought And Herbivory Stress, Insha Shafi, Manish Gautam, Rupesh Kariyat
Integrating Ecophysiology And Omics To Unlock Crop Response To Drought And Herbivory Stress, Insha Shafi, Manish Gautam, Rupesh Kariyat
Entomology Faculty Publications and Presentations
Introduction: Plants are constantly exposed to a diverse spectrum of environmental stressors that typically occur concurrently as multifactorial challenges, both spatially and temporally (Joshi et al., 2024). These stressors include abiotic stresses, such as drought, flooding, salinity, nutrient deficiencies, metal toxicity and extreme temperatures, as well as biotic pressures such as herbivory, pathogen attacks, and inter and intraspecific competition (Porter et al., 2020; González Guzmán et al., 2022). Drought and herbivory are arguably among the most critical factors that limit crop productivity in agricultural settings (Gautam et al., 2024), making it imperative to understand plant responses to their combined effects. …