Test various designs of pheromone traps to monitoring the brown marmorated stink bug Halyomorpha halys stal
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2024-05-22 12:19
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20.80009.5107.27 (1)
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RUSU, Iuliana, NASTAS, Tudor, ZAVATIN, Maria. Test various designs of pheromone traps to monitoring the brown marmorated stink bug Halyomorpha halys stal. In: Natural sciences in the dialogue of generations, 14-15 septembrie 2023, Chişinău. Chişinău: Centrul Editorial-Poligrafic al USM, 2023, p. 65. ISBN 978-9975-3430-9-1.
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Natural sciences in the dialogue of generations 2023
Conferința "Natural sciences in the dialogue of generations"
Chişinău, Moldova, 14-15 septembrie 2023

Test various designs of pheromone traps to monitoring the brown marmorated stink bug Halyomorpha halys stal

CZU: 20.80009.5107.27

Pag. 65-65

Rusu Iuliana, Nastas Tudor, Zavatin Maria
 
Institute of Genetics, Physiology and Plant Protection, MSU
 
 
Disponibil în IBN: 18 octombrie 2023


Rezumat

Invasive insect species established in the new territory can cause significant environmental and economic damage both to agriculture and to society as a whole. Monitoring is a key element in the identification of invasive pests and helps professionals and farmers to make further decisions to control them. The main component in insect monitoring are traps of various designs equipped with pheromones, which play a key role in the detection of invasive species. Among the existing hundreds of species of pentatomide stink bugs (Hemiptera, Pentatomidae) is the brown-marble stink bug Halyomorpha halys Stal. Its natural range includes China, Japan, and the Korean peninsula. In the areas where it is established, the pest causes significant damage to agriculture, as its range of plants includes more than 275 species. As a rule, various traps are used against certain pests, but the final layout includes three main components: a housing; a synthetic pheromone placed in a dispenser; and a device for catching attracted insects. Each type of trap takes into account the biological features of target insect species. As a result of our research, we selected traps, the designs of which, in our opinion, could be the most suitable for the detection and attraction of the H. halys stink bug. Testing of various designs of pheromone traps was carried out with the purpose of seasonal pest monitoring, as well as establishing the possibility of using these designs for catching H. halys stink bugs, according to common methods. Experiments were carried out in the experimental garden of the Institute of Genetics, Physiology and Plant Protection in the period from the first decade of August to the first decade of September, when the pest is gaining the maximum population before wintering. In the experiments, three traps of different designs and colors were used: funnel-shaped (yellow) and barrier-type traps (black and blue) using an aggregation pheromone. The traps were hung on fruit crops such as plum, apple and peach, at a distance of at least 50 m. in a chess order. Records were made weekly. The pheromone dispenser was replaced once every 15 days. Prior to posting, the dispenser was stored in the freezer at a temperature of -18 C. All individuals of the brown-marble stink bug (nymphs and imago) involved in traps, for study in the laboratory and further data processing were subject to collection and accounting. Based on the results, we noted that in the fruit gardens of IGPPP the most effective proved to be the design of a black barrier trap, the effectiveness of which amounted to 60.9% of all caught insects. Only 5 H. halys individuals were caught in the yellow funnel trap, which accounted for 21.7% of all the bugs caught. The blue barrier trap was the least effective - 17.4%.

Cuvinte-cheie
Halyomorpha halys, traps, Insects, new species, population