Article
Entomology
Justin George, James P. Glover, Gadi V. P. Reddy, Chris Johnson, David R. Hall
Summary: This study investigates the effectiveness of using red sticky cards baited with a specific blend of sex pheromones to monitor overwintering populations of the tarnished plant bug. Field experiments demonstrate that the baited cards are highly effective in trapping the bugs and monitoring their movement into cotton crops.
Review
Entomology
Justin George, James P. Glover, Jeffrey Gore, Whitney D. Crow, Gadi V. P. Reddy
Summary: The tarnished plant bug, Lygus lineolaris, is a polyphagous pest that causes significant economic damage in field crops, especially cotton in the mid-southern United States. Developments in research over the past two decades have focused on the biology, ecology, and integrated pest management strategies for Lygus species, highlighting issues such as resistance to conventional pesticides and the need for new control strategies.
Article
Entomology
Yuzhe Du, Yucheng Zhu, Shane Scheibener, Maribel Portilla
Summary: The widespread use of pyrethroids has led to resistance in insect populations, including the damaging pest tarnished plant bug. To manage the resistance, commercially formulated pyrethroid-containing binary mixtures are recommended. This study evaluates the toxicity and resistance risks of four such mixtures on susceptible and resistant tarnished plant bug populations and identifies Endigo and Athena as potential solutions for slowing resistance development.
Article
Entomology
Francois Dumont, Caroline Provost
Summary: The study found that mullein plants as autumnal trap crops are highly attractive to tarnished plant bugs, and when combined with insecticide treatments, can effectively reduce the overwintering survival rate of the pests, potentially decreasing their population in the following growing season.
Article
Entomology
Yuzhe Du, Shane Scheibener, Yucheng Zhu, Maribel Portilla, Mingling Zhang
Summary: Due to resistance development, less reliance on pyrethroids is observed in managing the economically damaging infestations of tarnished plant bug in cotton fields. However, pyrethroid resistance remains prevalent in these bug populations. This study assessed the resistance levels of adult tarnished plant bugs to six common pyrethroids and acephate, and found that detoxification enzymes and esterases are involved in the detoxification process. This study provides valuable information for the continued use of pyrethroids and acephate in controlling tarnished plant bugs in cotton fields.
Article
Agronomy
Justin George, Gadi V. P. Reddy, Nathan Little, Sarah E. J. Arnold, David R. Hall
Summary: In this study, different visual (colored sticky cards) and olfactory cues (pheromone blends) were tested to optimize the attraction and capture of the tarnished plant bug in the field. The results showed that red-colored sticky cards combined with potential pheromone components significantly increased the attraction and capture of the bug. This study could contribute towards sustainable and environmentally appropriate early-season monitoring and management of the pest.
PEST MANAGEMENT SCIENCE
(2023)
Article
Agronomy
Yuzhe Du, Yu-Cheng Zhu, Maribel Portilla, Minling Zhang, Gadi V. P. Reddy
Summary: A laboratory resistant strain of the tarnished plant bug (TPB) lost its resistance to multiple insecticides after 36 generations without exposure to any insecticides. This study examined the reasons for the decrease in resistance and evaluated its practical value for insecticide resistance management in TPB populations.
PEST MANAGEMENT SCIENCE
(2023)
Article
Entomology
Nguya K. Maniania, Maribel M. Portilla, Fayaz M. Amnulla, David K. Mfuti, Andrei Darie, Geetika Dhiman, Ishtiaq M. Rao
Summary: This study screened twelve isolates of entomopathogenic fungi and found that the isolate named NoVil showed high mortality rates against the tarnished plant bug. All life stages of the bug were susceptible to fungal infection, with the third and fourth instars being the most susceptible. The mortality and lethal-time values were dependent on the dosage of NoVil, with higher concentrations leading to shorter lethal-time values. In greenhouse trials, NoVil was found to be an effective mycoinsecticide for controlling the tarnished plant bug.
JOURNAL OF INSECT SCIENCE
(2022)
Article
Entomology
J. Joe Hull, Colin S. Brent, Man-Yeon Choi, Zsanett Miko, Jozsef Fodor, Adrien Fonagy
Summary: This study identified and characterized the pyrokinin (PK) transcript in the western tarnished plant bug, revealing two PK-like peptides with distinct C-terminal amidation patterns. Functional assays showed differential activity between the two peptides, suggesting potential functional divergence within the PK gene in plant bugs. The study provides critical insights into the evolution and biological functions of PK neuropeptides in hemipteran pests.
Article
Biology
O. P. Perera, Surya Saha, James Glover, Katherine A. A. Parys, K. Clint Allen, Snejana Grozeva, Ryan Kurtz, Gadi V. P. Reddy, J. Spencer Johnston, Mark Daly, Thomas Swale
Summary: The objective of this study was to assemble a high-quality genome of the tarnished plant bug using Illumina technology. The resulting genome assembly contained 17 scaffolds larger than 1 Mbp, providing valuable genetic resources for further research on this pest.
BMC RESEARCH NOTES
(2023)
Article
Entomology
Govinda Shrestha, Nik G. Wiman, Silvia Rondon
Summary: In this study, flight mills were used to investigate the flight capacity of the western tarnished plant bug, Lygus hesperus, in the agricultural landscape. The results showed that summer adults of L. hesperus were able to fly greater distances and were more active compared to overwintered adults. Female bugs flew farther and were more active than males. The weight of adult bugs before flight was directly proportional to flight distance and number of flights. This study demonstrates for the first time that the summer adult population of L. hesperus has the ability to disperse over greater distances than the overwintered population.
JOURNAL OF ECONOMIC ENTOMOLOGY
(2022)
Article
Entomology
Scott H. Graham, Angus L. Catchot, Jeffrey Gore, Donald R. Cook, Darrin Dodds
Summary: The tarnished plant bug is a major pest in cotton fields in the Southern United States, and its resistance to various insecticides makes management challenging. Laboratory experiments showed that the bug exhibited avoidance towards certain types of insecticides while being slightly attracted to others, indicating the importance of understanding its behavior in control failures and resistance management.
Article
Entomology
Beverly D. Catchot, F. R. Musser, J. Gore, N. Krishnan, D. R. Cook, S. D. Stewart, G. M. Lorenz, S. Brown, N. Seiter, A. L. Catchot, D. L. Kerns, R. Jackson, K. S. Knighten
Summary: Ingestion of novaluron by tarnished plant bug adults reduces hatch rate and sometimes oviposition rate, while contact exposure within 1 d of application reduces hatch rate significantly. Overall, exposure to novaluron decreases egg viability regardless of adult age or exposure route, but the impact on oviposition rate and net reproductive rate varies.
JOURNAL OF ECONOMIC ENTOMOLOGY
(2021)
Article
Biochemistry & Molecular Biology
J. Joe Hull, Colin S. Brent, Ting Fu, Guirong Wang, Andrew E. Christie
Summary: The diversity of TRP channels in the non-model insect species L. hesperus exceeds that reported in most insects, driven by alternative splicing and gene expansion. In vitro experiments confirmed the functional role of the Painless homolog in noxious heat thermosensation in L. hesperus.
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS
(2022)
Article
Agronomy
Robert W. H. M. van Tol, Celia M. Diaz Rodriguez, Antje de Bruin, Daowei Yang, Tanvi Taparia, Frans C. Griepink
Summary: The effectiveness of a water trap with LED lights and semiochemicals in trapping Lygus rugulipennis was evaluated in this study. The results showed that the water trap with white LED light caught significantly more bugs than the sex pheromone-based traps in greenhouse experiments. Both males and females were attracted to ss-caryophyllene, but not in the presence of the sex pheromone. The pheromone plus bean plant odor was attractive to the insects, suggesting an interaction between plant odor and pheromone.
PEST MANAGEMENT SCIENCE
(2022)