Dendrothripinae is a small sub-family in Thripidae which has a characteristically sinuate metathoracic endofurca reaching into the mesothorax. This structure is associated with the large muscles that are involved in jumping, and a similar metathoracic furca occurs in some Panchaetothripinae members as well as Trachynotothrips in the Thripinae (Mound 1999; Masumoto Okajima 2005). There are 12 extant genera and more than 100 species of Dendrothripinae, almost all feeding on leaves (ThripsWiki 2020). A few species are considered as pests, like Dendrothrips minowai and Pseudodendrothrips mori that damage the tea plant and mulberry respectively. An identification key to world genera of Dendrothripinae (except Projectothripoides) is available (Mound Tree 2016), and 14 species representing six genera are recorded in Japan (Masumoto Okajima 2017). Mirab-balou et al. (2011) provided a list of thrips in China including 15 Dendrothripinae species representing three genera: Asprothrips, Dendrothrips, and Pseudodendrothrips. Subsequently, three new species of Asprothrips have been described from this country (Tong et al. 2016, Wang Tong 2017) and two other genera, Edissa and Ensiferothrips, were found in Southern China (Zhang et al. 2018). Just recently, Wang et al. (2019) provided a key to 10 Dendrothrips species from China, including one new species. Therefore, five genera and 26 species of Dendrothripinae are recorded in China up to now (Zhang et al. 2018).
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http://dx.doi.org/10.11646/zootaxa.4845.2.12 | DOI Listing |
Plant Dis
January 2025
The University of Melbourne, Faculty of Science, School of Agriculture, Food and Ecosystem Sciences, Parkville, Victoria, Australia;
In Australia, pyrethrum (Tanacetum cinerariifolium) cultivation provides a significant portion of the global supply of natural insecticidal pyrethrins. However, crown and root rots, along with stunted plant growth and plant loss during winter, are significant issues affecting certain sites. Several isolates of the Fusarium oxysporum species complex (FOSC) have been identified as causal agents of crown and root rot in pyrethrum, highlighting these as key pathogens contributing to this decline.
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January 2025
USDA-ARS North Central Agricultural Research Laboratory, Brookings, South Dakota, United States;
Soilborne diseases are persistent problems in soybean production. Long-term crop rotation can contribute to soilborne disease management. However, the response of soilborne pathogens to crop rotation is inconsistent, and rotation efficacy is highly variable.
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January 2025
University of California Davis, Plant Pathology, 1 Shields Ave, Davis, California, United States, 95616;
While recycling irrigation water can reduce water use constraints and costs in nurseries, adoption is hindered by the associated risk of recirculating and spreading waterborne pathogens. To enable regional water re-use, this study assessed oomycete re-circulation risks and recycled water treatment efficacy at organismal and community scales. In culture-based analysis of recycled pond water at two Mid-Atlantic nurseries across three years, diverse oomycetes (12+ species) were detected using culture-based analysis, with Phytopythium helicoides as the dominant species; MiSeq analysis detected eight of these species, plus 24 additional taxa.
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January 2025
Physics Institute, University of São Paulo, 05508-090 São Paulo, SP, Brazil.
In this work, we investigate the dynamics of a discrete-time prey-predator model considering a prey reproductive response as a function of the predation risk, with the prey population growth factor governed by two parameters. The system can evolve toward scenarios of mutual or only of predators extinction, or species coexistence. We analytically show all different types of equilibrium points depending on the ranges of growth parameters.
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January 2025
Agricultural and Ecological Research Unit, Indian Statistical Institute, 203 B. T. Road, Kolkata 700108, India.
Experimental observations and field data demonstrated that predators adapt their hunting strategies in response to prey abundance. While previous studies explored the impact of predation risk on predator-prey interactions, the impact of symbiotic relationships between fear-affected prey and non-prey species on system dynamics remains unexplored. This study uses a mathematical approach to investigate how different symbiotic relationships govern system dynamics when predators adapt to prey availability.
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