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Sahar Bazrafkan, Hassan Vatandoost, Abbas Heydari, Hassan Bakhshi, Somayeh Panahi-Moghadam, Saedeh Hashemi-Aghdam, Fatemeh Mohtarami, Abbas Rahimiforoushan, Sinan Anlaandş, Mansoreh Shayeghi, Mohammad Ali Oshaghi, Seyed Mohammad Abtahi
BACKGROUND: Linear dermatitis is endemic in Iran where most cases occur in the Caspian Sea coast and Fars province. The disease is caused by beetles of the genus Paederus which are active from early spring to beginning of autumn although its incidence rises from May to August. The classic taxonomy of Paederus spp. is based on the male genitalia that is very complex and needs expertise. In this study, we report a DNA-based method to discriminate Paederus fuscipes and Paederus littoralis (=syn: P...
December 2016: Journal of Arthropod-borne Diseases
Qi-Li Li, Li-Zhen Li, Fuang-Kang Gu, Zhong Peng
Material of the brachypterous Paederus of the Chinese provinces Henan, Anhui, Zhejiang, Hunan, Fujian, Guizhou, Sichuan, Shaanxi, Yunnan, Guangdong and Guangxi was examined. In total, twelve species are recognized, among which two are described here as new: P. daicongchaoi sp. n. (Anhui: Yaolouping) and P. nanlingensis sp. n. (Guangdong: Nanling). One species probably undescribed remains unnamed and one synonymy is proposed: Paederus (Gnathopaederus) bursavacua Willers, 2001 = Paederus (Gnathopaederus) daozhenensis Li & Zhou, 2009, nov...
November 7, 2016: Zootaxa
Sufian Maryam, Nik Fadzly, Wan Fatma Zuharah
Paederus fuscipes Curtis is a nocturnal insect. The attractiveness of artificial light sources from residential premises eventually causes the risk of severe dermatitis effect, once Paederus is in contact with human skin. The objective of this study is to investigate whether the light and height factors of residential buildings and its' association to rice cultivation phases are primary reasons for P. fuscipes's mass dispersal into human residential areas. The study site was located in residential premises that were built adjacent to rice field areas (≈ 32-60 m and 164 m) north of the rice field located in Teluk Air Tawar, mainland of Pulau Pinang...
November 2016: Tropical Life Sciences Research
Emel Uzunoğlu, Isıl Deniz Oguz, Busra Kir, Cihangir Akdemir
Paederus dermatitis is an acute irritant dermatitis resulting from contact with the hemolymph of Paederus beetles. This dermatitis mimics other infectious skin disorders, often resulting in diagnostic dilemmas. This study of 46 patients was conducted to increase awareness about Paederus dermatitis. Possible causes of a number of cases of Paederus dermatitis in Giresun, Turkey, were investigated using climate data and telephone interviews with the patients about risk factors. Insects caught by patients were identified at the species level...
February 8, 2017: American Journal of Tropical Medicine and Hygiene
Qiang Zhang, Xuan Wu, Zhiping Liu
The contact and fumigant toxicity as well as repellent activity of 10 plant essential oils were evaluated against Paederus fuscipes Curtis adults. Essential oils were identified through gas chromatography-mass spectrometry analysis. Results showed that wintergreen oil exhibited optimal contact and fumigant toxicity but had no significant repellent activity against P. fuscipes The LC50 values of fumigant toxicity of wintergreen oil were 2.680 and 1.591 µL/L air after 1 and 8 h of exposure, respectively...
October 15, 2016: Journal of Economic Entomology
Pawan Prasher, Mandeep Kaur, Shakeen Singh, Harpreet Kaur, Madhu Bala, Silonie Sachdeva
PURPOSE: To report the pattern of ophthalmic manifestations associated with Paederus dermatitis (PD). SETTING: Department of Ophthalmology, Sri Guru Ram Das Institute of Medical Sciences and Research, Amritsar, India. DESIGN: Clinic-based retrospective study. METHODS: Medical charts of patients presenting to the eye clinic with clinical features consistent with the diagnosis of PD from May 1, 2014 to April 30, 2016 were retrospectively reviewed...
September 15, 2016: International Ophthalmology
Jiarong Meng, Juma Ibrahim Mabubu, Yu Han, Yueping He, Jing Zhao, Hongxia Hua, Yanni Feng, Gang Wu
T1C-19 is newly developed transgenic rice active against lepidopteran pests, and expresses a synthesized cry1C gene driven by the maize ubiquitin promoter. The brown planthopper, Nilaparvata lugens, is a major non-target pest of rice, and the rove beetle (Paederus fuscipes) is a generalist predator of N. lugens nymphs. As P. fuscipes may be exposed to the Cry1C protein through preying on N. lugens, it is essential to assess the potential effects of transgenic cry1C rice on this predator. In this study, two experiments (a direct feeding experiment and a tritrophic experiment) were conducted to evaluate the ecological risk of cry1C rice to P...
2016: Scientific Reports
Brooke A Beaulieu, Seth R Irish
BACKGROUND: Dermatitis linearis is a skin condition that affects both local populations and travelers alike. Dermatitis linearis is caused by some beetles within the subtribe Paederina and manifests as painful lesions, blisters and intense itching. Though outbreaks are widespread, the condition as a whole still remains relatively unknown. METHODS: An extensive search of the existing Paederus literature was conducting in order to elucidate relevant information regarding the occurrence of outbreaks, seasonality, exposure and symptom onset, and management of dermatitis linearis...
April 2016: Journal of Travel Medicine
Rafael Y Lefkowitz, Gale E Ridge
Seafarers are traveling workers, subject to unique exposures and generally isolated from adequate medical care. This case report of paederus dermatitis diagnosed at sea highlights the importance of a multidisciplinary diagnostic approach and telecommunication in providing remote medical advice to isolated traveling workers such as seafarers.
March 2016: Journal of Travel Medicine
Lawrence M Gibbs
INTRODUCTION: Outbreaks of Paederus dermatitis have been documented worldwide. A case of Paederus dermatitis from Ethiopia is presented to highlight the importance of this clinical entity in the deployed setting. CASE PRESENTATION: A 31-year-old male presented with a 3- day history of scattered areas of a purulent, vesicating erythematous rash to his mid-back and neck. The largest of these measured 5 × 7 cm with erythematous borders and an erosive center. One to 2 days prior, 15 troops reported similar and less severe vesicating lesions to their extremities and backs...
December 2015: Military Medicine
Zhong Peng, Qi-Li Li, Li-Zhen Li, Fu-Kang Gu
Paederus (Gnathopaederus) xuei Peng & Li sp. n. (Yunnan: Dawei Shan) and P. (G.) cheni Peng & Li sp. n. (Hunan: Badagong Shan) are described and illustrated. Additional records of P. (G.) bursavacua Willers, 2001, P. (G.) szechuanus (Chapin, 1927) and P. (G.) yunnanensis Willers, 2001 are reported.
2015: Zootaxa
C Vanhecke, P Le Gall, B-A Gaüzère
This irritant blister dermatitis is caused by the genus Paederus whose geographical distribution is worldwide, with a higher incidence in tropical areas. It is induced by direct skin contact with pederin, a blistering and caustic substance found in the abdomen (coelome) of Paederus insects (insect order Coleoptera: family Staphylinidae). The diagnosis is based on the presence of typical clinical features combined with compatible epidemiological features. Our goal is to describe the epidemiological and clinical features of this irritant contact dermatitis in Cameroon through a retrospective study conducted at the end of the rainy season at the Oku Hospital in Northwest Cameroon and to also include cases reported at the medical center of the French Embassy in Yaounde during this same timeframe...
December 2015: Bulletin de la Société de Pathologie Exotique
Wipada Laovirojjanakul, Sasinun Pipatbanditsakul, Yosanan Yospaiboon
A 30-year-old Chinese female presented with progressive periorbital swelling of unknown cause and redness of her left eye. She was given an antibiotic eyedrop and oral cloxacillin to treat periorbital cellulitis. The clinical picture did not improve and she returned with swelling of the fellow eye. We stopped the medication and sent her to a dermatologist because of the abnormal periorbital skin pattern. Her diagnosis was Paederus dermatitis. Intramuscular dexamethasone was administered due to severe periorbital edema...
January 2015: Southeast Asian Journal of Tropical Medicine and Public Health
Louise K Andersen, Mark D P Davis
The El Niño Southern Oscillation (ENSO) is a complex climate phenomenon occurring in the Pacific Ocean at intervals of 2-7 years. The term refers to fluctuations in ocean temperatures in the tropical eastern Pacific Ocean (El Niño [the warm phase of ENSO] and La Niña [the cool phase of ENSO]) and in atmospheric pressure across the Pacific basin (Southern Oscillation). This weather pattern is attributed with causing climate change in certain parts of the world and is associated with disease outbreaks. The question of how ENSO affects skin and skin-related disease is relatively unanswered...
December 2015: International Journal of Dermatology
D C B Lima, A A V Costa, F S Silva
Paederus beetles are cosmopolitan medically important insects that cause dermatitis linearis to humans. In Brazil, despite the medical importance of these beetles, no studies focusing directly on the abundance and ecological features of harmful species exist. Therefore, this study aims at determining the abundance and the nocturnal hourly dispersal of Paederus species attracted to fluorescent, incandescent, and black light sources in the Brazilian savanna. Paederus species were captured from May to September for three consecutive years, between 2011 and 2013...
January 2015: Journal of Medical Entomology
Lee-Jin Bong, Kok-Boon Neoh, Zairi Jaal, Chow-Yang Lee
Although rove beetles (Paederus spp.) play a beneficial role as biological control agents to manage crop pests in agro-ecosystems, their high prevalence in human settings has elevated them to pest status in urban areas. Rove beetles neither bite nor sting, but accidental crushing on human skin causes them to release the toxin paederin, which causes dermatitis linearis. This review integrates currently available knowledge about the issues pertaining to Paederus infestation. For instance, the results of life history studies conducted under different food and temperature regimes are summarized, as they indicate how large a population can be in a habitat to cause massive and widespread infestation and illustrate the physiological traits required to maintain the population at the maximum level even under adverse conditions...
July 2015: Journal of Medical Entomology
F S Silva, S E P D Lobo, D C B Lima, J M Brito, B M Costa-Neta
Despite the medical importance of Paederus beetles, no studies have studied the influence of the abiotic factors on the flight activity and nighttime dispersal of these insects in Brazil. Therefore, the influence of both climatic factors and moon phase on black-light catches of Paederus rove beetles was investigated. Paederus beetles were attracted to a black light source hourly from 1800 to 0600 hours, and data on weather conditions as well as moon phase data were taken for every sampling date. Overall, 543 individuals of Paederus beetles belonging to four species were captured: P...
June 2015: Environmental Entomology
John S Hellums, Kyle Klapperich
Dermatologic complaints are common in the deployed environment. Preventive medicine and knowledge of indigenous flora and fauna are cornerstones for forward deployed medical personnel. This article describes a case of Paederus dermatitis in an austere environment, reviews dermatologic terminology, and provides a reminder of the importance of exercising good preventive medicine procedures.
2015: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
Shabab Nasir, Waseem Akram, Rashad Rasool Khan, Muhammad Arshad, Iram Nasir
BACKGROUND: Rove beetles of the genus Paederus cause dermatitis when they come in contact with human skin. This condition is prevalent in some tropical and subtropical regions, such as in northern Pakistan, where it was recorded for the first time by US troops. Despite much research from other countries on this subject, few studies, mostly clinical, have been performed in a Pakistani context. A survey was carried out in villages, towns and cities of Punjab province, Pakistan, to explore the rove beetle population dynamics and to develop a model to elucidate the symptoms, preventive measures and treatment strategies for this dermatitis...
2015: Journal of Venomous Animals and Toxins Including Tropical Diseases
Picha Suwannahitatorn, Anchalee Jatapai, Ram Rangsin
An outbreak of Paederus dermatitis in Thai military personnel in 2007 was reported. Approximately ninety-one percent ofmilitary personnel who worked in a battalion located in Bangkok experienced Paederus dermatitis in April-May 2007. The most common clinical manifestations were blisters and erythematous rash. The most affected areas were head, neck, back and groin. "Kissing lesions" were seen in 17.3% of cases and 23.5% had multiple lesions. Compared with other reports, we found a high incidence of lesions in unexposed body parts...
February 2014: Journal of the Medical Association of Thailand, Chotmaihet Thangphaet
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