First report of Spirocerca lupi larva in dung beetles (Scarabaeus armeniacus) in the central region of Iran: A morphological and molecular identification

Mohtasebi, Sina; Teimouri, Aref; Afshar, Mohammad Javad Abbaszadeh; Mobedi, Iraj; Abbasian, Hadi; Totonchian, Niloofar; Mowlavi, Gholamreza

doi:10.1016/j.cimid.2021.101671

Cited by 3 publications

(6 citation statements)

References 33 publications

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“…(1417–1635 μm; this study) or P. sexalatus (940–1728 μm; Seurat, 1915). In addition, S. lupi larvae reported by Seurat (1915), Chhabra, 1968 and those found in this study have a distance from the nerve ring to the anterior end of the body shorter than that from the excretory pore, whereas, it is converse in S. lupi larvae reported by Sen & Anantaraman (1971) and by Mohtasebi et al (2021). These overlaps and differences in morphometric data suggest that misidentification may occur.…”

Section: Discussionsupporting

confidence: 42%

“…Moreover, the body size and other morphometric data of S. lupi larvae vary among reports. Generally, its body length ranges from 1880-3400 μm (Seurat, 1915;Chhabra, 1968;Mohtasebi et al, 2021;this study), longer than that of Physocephalus larvae (940-1728 μm). However, S. lupi larvae from dung beetles reported by Sen & Anantaraman (1971) is 810-1400 μm in 1915).…”

Section: Discussionmentioning

confidence: 96%

“…The available data from studies on S. lupi larvae in beetle hosts showed that a wide variety of dung beetles serve as intermediate hosts of S. lupi and vary from place to place. They are: Scarabaeus sacer , Scarabaeus variolosus and Gymnopleurus sturmi in the United States (Bailey et al , 1963); Copris hispana in Algeria (Seurat, 1915); Onthophagus pugionatus , Onthophagus sugillatus , Onthophagus ebenus , Onthophagus obtusicornis , Gymnopleurus virens , Gymnopleurus humanus , Pachylomerus femoralis , Scarabaeus rugosus , Kheper nigroaeneus , Anachalcos convexus and also a millipede species, Daratoagonus crristulatus (experimental infection) in South Africa (Du Toit et al , 2008; Mukaratirwa et al , 2010); Onthophagus sellatus in Israel (Gottlieb et al , 2011); Scarabaeus armeniacus in Iran (Mohtasebi et al , 2021); Gymnopleurus koenigi , Oniticellus pallens , Oniticellus pallipes , Onthophagus deflexicollis , Onthophagus quadridentatus , Onthophagus bonasus , Onthophagus dama , Onthophagus gazella , Onthophagus mopsus , Onitis philemon , Catharsius pithecius , Euoniticellus pallipes , Scarites indus , Hybosorus orientalis , Hister maindronii and Hister lutarius in India (Anantaraman & Jayalakshmi, 1963; Chhabra, 1968; Chowdhury & Pande, 1969); and Gymnopleurus sinnatus , Gymnopleurus mopsus , Scarabaeus sacer and Cathon spp. in China (Faust, 1928; Ono, 1929), but Cathon beetles reported by Faust (1928) were suggested to belong to the genus Paragymnopleurus (Theodorides, 1952).…”

Section: Discussionmentioning

confidence: 99%

“…Previous studies on S. lupi larvae from intermediate hosts usually reported this species alone (Chowdhury & Pande, 1969;Du Toit et al, 2008;Gottlieb et al, 2011;Mohtasebi et al, 2021). So far, various dung beetle species of the family Scarabaeidae have been reported as intermediate hosts of S. lupi and vary among different geographical locations from the United States, Africa and Asia (Faust, 1928;Ono, 1929;Anantaraman & Jayalakshmi, 1963;Bailey et al, 1963;Chowdhury & Pande, 1969;Bailey, 1972;Chhabra & Singh, 1972;Du Toit et al, 2008;Gottlieb et al, 2011;Mohtasebi et al, 2021). In Asia, the majority of reports are from China, India, Israel and Iran (Faust, 1928;Ono, 1929;Anantaraman & Jayalakshmi, 1963;Chowdhury & Pande, 1969;Chhabra & Singh, 1972, 1973Gottlieb et al, 2011;Mohtasebi et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

“…So far, various dung beetle species of the family Scarabaeidae have been reported as intermediate hosts of S. lupi and vary among different geographical locations from the United States, Africa and Asia (Faust, 1928; Ono, 1929; Anantaraman & Jayalakshmi, 1963; Bailey et al , 1963; Chowdhury & Pande, 1969; Bailey, 1972; Chhabra & Singh, 1972; Du Toit et al , 2008; Gottlieb et al , 2011; Mohtasebi et al , 2021). In Asia, the majority of reports are from China, India, Israel and Iran (Faust, 1928; Ono, 1929; Anantaraman & Jayalakshmi, 1963; Chowdhury & Pande, 1969; Chhabra & Singh, 1972, 1973; Gottlieb et al , 2011; Mohtasebi et al , 2021). To the best of our knowledge, there has been no report from south-east Asian countries where the warm climate favours for development of the S. lupi nematode and its beetle intermediate hosts.…”

Section: Introductionmentioning

confidence: 99%

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Larvae of Spirocerca lupi and another spirurid species in the same dung beetles: notes on species identification

et al. 2023

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Various dung beetle species of the family Scarabaeidae have been reported as intermediate hosts of Spirocerca lupi from different geographical locations, but there has been no data from south-east Asian countries. In the present study in Vietnam, by using morphological and molecular approaches, we identified the third-stage larvae of S. lupi for the first time in two dung beetle species, Catharsius molossus and Copris szechouanicus, adding them as new intermediate hosts of this nematode. In addition, both beetle species were infected with larvae of another spirurid nematode of Physocephalus sp. At large magnifications above 200×, these two spirurid larvae can be differentiated from each other by their body size (1880–2662 vs. 1417–1635 μm) and detailed morphological features of the anterior and posterior ends, such as the length of the buccal cavity, the position of the nerve ring and excretory pore, and tail characters. However, it is difficult to distinguish them at a lower magnification due to their minute size. Moreover, morphometric data of S. lupi larvae vary among reports and the body length may overlap with that of Physocephalus sp., thus, misidentification may occur, indicating the necessity of careful examination for accurate identification. The findings of the present study also supposed that larvae of S. lupi and more spirurid nematodes may be concurrently found in various dung beetle species, including C. molossus and C. szechouanicus, in other south-east Asian countries. Thus, more investigations in various countries should be conducted to identify spirurid larvae from dung beetles in order to fully understand their role as intermediate hosts of S. lupi and other spirurid nematodes.

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Section: Discussionsupporting

confidence: 42%

Section: Discussionmentioning

confidence: 96%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Larvae of Spirocerca lupi and another spirurid species in the same dung beetles: notes on species identification

et al. 2023

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Prevalence of Intestinal Parasites in Dog Faecal Samples from Public Environments in Qinghai Province, China

Zhang

Jian

et al. 2022

Pathogens

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Dogs are popular companions in our daily lives for company, hunting, protection or shepherding, but they also serve as reservoirs for zoonotic parasites. We analysed faecal samples from urban and rural environments in Qinghai Province on the Qinghai-Tibet Plateau of China to determine the prevalence of intestinal parasites. A total of 682 faecal samples were collected from four urban and two rural environments from October 2019 to December 2020. The samples were analysed for common intestinal parasites using a species-specific PCR approach. The total number of samples with parasites was 40 (5.87%): 23 (3.37%) were positive for helminths, and 17 (2.49%) were positive for protozoa. The following parasites were identified, and their respective prevalence rates were calculated: Cryptosporidium canis (1.32%), Giardia duodenalis (1.17%, assemblages D (n = 6) and C (n = 2)), Taenia hydatigena (1.03%), Taenia multiceps (0.59%), Toxocara canis (0.59%), Echinococcus shiquicus (0.29%), Dipylidium caninum (0.29%), Taenia pisiformis (0.15%), Mesocestoides lineatus (0.15%), Trichuris vulpis (0.15%), and Ancylostoma spp. (0.15%). The overall prevalence was significantly higher in dog faecal samples from rural environments than in those from urban environments (16.19% vs. 3.99%). E. shiquicus, T. pisiformis, M. lineatus, T. vulpis, and Ancylostoma spp. were only found in dog faecal samples from rural environments. The results of the present study indicate that intestinal parasite-positive dogs are important sources of environmental contamination, suggesting a significant zoonotic infection risk in humans and other animals. This has implications for the ongoing control of intestinal parasite infections in dogs in Qinghai Province, China.

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Coleopteran Species in Arid Environments

Karmaoui

Chavanon

Moumane

2023

Climate Change and the Economic Importance and Damages of Insects

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Draa oases are declared as a part of the biosphere reserve of Moroccan oases. These oases are agro-ecosystem dominated by the palm and fed by Draa Wadi, the longest in Morocco. Outside the oasis, the acacia trees and many pre-Saharan herbaceous species expand along the flooded areas and at the edges of temporary waterways. This desert vegetation creates a microclimate that favors the proliferation of a vast invertebrate diversity including Coleopteran species (beetles) that support the soil and flora-fauna ecosystem services. These insects play a very important role in the health of this environment. Indeed, they can perform the functions of ecosystems such as pollination, purification, biological control, and soil fertilization. In this chapter, the authors provide new information and update the list of the Coleopteran species in the Draa Valley. Thirty-one species and 15 families were observed through several entomological trips.

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First report of Spirocerca lupi larva in dung beetles (Scarabaeus armeniacus) in the central region of Iran: A morphological and molecular identification

Cited by 3 publications

References 33 publications

Larvae of Spirocerca lupi and another spirurid species in the same dung beetles: notes on species identification

Larvae of Spirocerca lupi and another spirurid species in the same dung beetles: notes on species identification

Prevalence of Intestinal Parasites in Dog Faecal Samples from Public Environments in Qinghai Province, China

Coleopteran Species in Arid Environments

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