Comparison of various methods of collecting scorpions (Arachnida, Scorpiones), their species composition and abundance in Khuzestan Province, Southwestern Iran

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عنوان دوره: سومین کنگره بین المللی حشره شناسی ایران
نویسندگان
1.Social Determinants of Health (SDH), Research Center and Environment Health Department, College of Health, Kashan University of Medical Science
2Department of Medical Entomology and Vector Control, Faculty of Health , Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran, Hamid.Kassiri@yahoo.com
چکیده
Scorpions have evermore received consideration in Iran due to their medically importance, richness and frequency. The collection and maintenance of the specimens are among the most important parts of every study. The present study aimed at investigating the different techniques suitable for capturing scorpions in residential and nonresidential areas in Khuzestan Province, Southwestern Iran. Various scorpion species were captured from rural and urban areas of six counties of the province during 26 sampling times, using five methods namely the black light, rock-rolling and scorpion nest digging, old mud walls destruction and demolition dry mud wall on the edge of channels. Information pertaining to the number of captured samples in each hunting time, geographical locations under investigation and their specifications, number of sampling times and hunting site were recorded. Data were analyzed using descriptive statistics and the Chi-square test. In total, 391 scorpions compromising six different species were captured using different techniques: rock-rolling (53.7%), destruction dry mud wall on the edge of channels (19.7%), old mud walls destruction (13.6%), black light (11.5%) and scorpion nest digging (1.5%). The most frequent species were Hemiscorpius lepturus (60.4%) and Mesobuthus eupeus (21.5%). The best time for capturing digger scorpions is the early spring and late winter, when the weather gets warmer and scorpions begin their activity. The main sign of scorpions’ activity is the tumulus of scorpion burrow. Researchers adopt various methods of catching scorpions based on the research type and objectives, as well as geographical location. In some cases, researchers employ all scorpion capturing and collection techniques, simultaneously. The rock-rolling and black light techniques are respectively recommended for collecting scorpions during the day and night from both residential and nonresidential areas. The combination of these two methods in different areas improves the efficiency.
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