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Nathan J Butterworth, Phillip G Byrne, Paul A Keller, James F Wallman
Cuticular hydrocarbons (CHCs) play an important role as contact pheromones in insects, particularly in flies. However, for many fly taxa our understanding of the importance of CHCs in sexual communication is limited. Within the family Calliphoridae (blowflies), sex-specific differences in CHCs have been reported for several species, but there is no evidence that CHCs facilitate sexual behavior. In order to elucidate the function of CHCs in Calliphoridae, studies combining behavioral and chemical analyses are required...
March 15, 2018: Journal of Chemical Ecology
Anita Lwanga, Michael Anis, Mohamed Ayoubi, Jaya Sharma, Pam Khosla
Myiasis is the infestation of humans with dipterous larvae. Traditionally, myiasis was thought to affect individuals living in tropical regions, however, several cases in temperate zones have been reported. We encountered two patients with histories of malignancies that presented with complaints of myiasis, in Chicago, in the spring and summer of 2016. The first patient, a 54-year-old female with a history of breast cancer, presented with complaints of maggots infesting her postsurgical chest wounds. She was diagnosed with sepsis, cellulitis, and wound myiasis...
January 10, 2018: Curēus
Vivek Kumar Pathak, Rohit Saxena, Sanjeev Awasthi, Sushil Gaur, Sunil Kumar Singh
Mucormycosis is a rare opportunistic fungal infection in immunocompromised patients, Rhizopus species are most common, sometimes mucormycosis can be life threatening we report a case of rhinoorbitocerebral mucormycosis a patient with diabetic ketoacidosis secondarily infected by maggots with altered consciousness and metabolic decompensation.
March 2018: Indian Journal of Otolaryngology and Head and Neck Surgery
Nivedita Page, Vivek Nirabhawane
Introduction: Cancer wounds need regular dressing; else they develop infection, foul odor, and in extreme cases, maggots. Patients resist dressing due to the severe incidental pain during dressing. Intranasal ketamine was tried as an analgesic to reduce this incidental pain. Materials and Methods: Twenty patients with wounds requiring regular dressing were selected; these patients had a basal pain score of 4/10 and incidental pain score of 7/10 during four consecutive dressings...
January 2018: Indian Journal of Palliative Care
Quentin Fouche, Valery Hedouin, Damien Charabidze
Necrophagous Calliphoridae breed in vertebrate carrion. Their larvae aggregate and form large masses of individuals. These aggregated larvae can reach adulthood faster than scattered larvae, increasing their chances of survival. Furthermore, the gathering of larvae of different species suggests possible interspecific aggregation vectors. In this context, the effect of larval ground-left cues on larvae of Calliphora vomitoria and Lucilia sericata was studied. We used video tracking to follow larvae placed in binary choice tests...
February 12, 2018: Scientific Reports
Kidong Son, Yong Kwan Kim, Chanjin Woo, Seung-Jun Wang, Youngsik Kim, Jae-Ku Oem, Weonhwa Jheong, Jipseol Jeong
An outbreak of botulism occurred over a two-month period beginning July 20, 2016. In all, 697 wild birds were found paralyzed or dead at the Namdong reservoir and 11 Gong-gu. Using a mouse bioassay, type C botulinum toxin was identified in the bird serum, liquid cultures of soil samples, and maggot extracts. To minimize further infection of wild birds, we opened the floodgates of the Namdong reservoir adjacent to the Yellow Sea; this decreased the water temperature and the nutrient load such as nitrogen and phosphorus...
January 29, 2018: Journal of Veterinary Medical Science
Edoardo Raposio, Sara Bortolini, Lara Maistrello, Donato A Grasso
Cutaneous ulcers tend to become chronic and have a profound impact on quality of life. These wounds may become infected and lead to greater morbidity and even mortality. In the past, larvae (ie, maggots) of certain common flies (Lucilia sericata and Lucilia cuprina) were considered useful in ulcer management because they only remove necrotic tissue while promoting healthy tissue in the wound bed, thus helping wounds heal faster. Recently, maggots from several other fly species (Calliphora vicina, Calliphora vomitoria, Phormia regina, Chrysomya albiceps, Sarcophaga carnaria, and Hermetia illucens) have been shown in vitro to possess characteristics (ie, debridement efficacy and putative antimicrobial potentialities) that make them suitable candidates for possible use in clinical practice...
December 2017: Wounds: a Compendium of Clinical Research and Practice
Daniel P Carpenter, Reid W Draeger
We report a case of severe upper extremity complex regional pain syndrome type 1 (CRPS-1) and neurogenic edema that ultimately led to a medically necessary below-elbow amputation. The patient presented with a history of remote bilateral carpal tunnel release complicated by debilitating and recalcitrant bilateral CRPS-1. Following years of severe neurogenic edema of the left upper extremity, the patient had full-thickness skin sloughing on the dorsum of her hand due to massive edema. This subsequently led to maggot infestation of the soft tissues of the left hand ultimately necessitating amputation...
December 2017: Journal of Hand and Microsurgery
Jian-Li Dong, Hai-Cao Dong, Liang Yang, Zhe-Wen Qiu, Jia Liu, Hong Li, Li-Xia Zhong, Xue Song, Peng Zhang, Pei-Nan Li, Lian-Jie Zheng
Maggot extract (ME) accelerates rat skin wound healing, however its effect on cell maintenance in wound tissues remains unclear. B‑cell lymphoma (Bcl) 2‑associated athanogene (BAG)3 inhibits apoptosis and promotes autophagy by associating with Bcl‑2 or Beclin 1. Bcl‑2, the downstream effector of signal transducer and activator of transcription 3 signaling, is enhanced in ME‑treated wound tissues, which may reinforce the Bcl‑2 anti‑apoptotic activity and/or cooperate with Beclin 1 to regulate autophagy during wound healing...
December 20, 2017: Molecular Medicine Reports
A Nasoori, R Hoomand
OBJECTIVE: Maggot debridement therapy (MDT) has proved an efficient and reliable approach for wound healing. We explain the use of maggots with a stepwise procedure for conducting MDT in a patient with severe and large electrical wounds. METHOD: We captured the flies of Lucilia sericata from the natural environment, Alborz, Iran, and reared them in netted cages. The eggs obtained from the flies were disinfected with chloramine, and then were incubated on culture medium...
December 2, 2017: Journal of Wound Care
Hugh Muse, Rachel L Jenkins, Meredith B Oliver, Soomin Kim, Richard L Grantier, Bharat K Malhotra, Jason J Parham, Kayla R Stover
Ignatzschineria indica is a Gram-negative bacterium that is commonly associated with the larvae of flesh flies. I. indica is difficult to isolate in routine laboratory procedures but has been associated with neglected wounds infested with maggots, fever, elevated white blood count and C-reactive protein, and polymicrobial culture results. Other specific hematological/immunological changes are not known. We present a case of I. indica bacteremia and polymicrobial osteomyelitis resulting from infected decubitus ulcers...
2017: Case Reports in Infectious Diseases
Y Tharindu B Bambaradeniya, W A Inoka P Karunaratne, Jeffery K Tomberlin, Induwara Goonerathne, Rasika B Kotakadeniya
Lucilia cuprina (Wiedemann; Diptera: Calliphoridae) is a facultative ecto-parasitic fly, distributed throughout the temperate and subtropical regions of the world. This blow fly species is of medical, veterinary, and forensic importance due to it being used in maggot debridement therapy (MDT), a causative agent of myiasis, and a decomposer of vertebrate carrion. The current study examined the combined effects of temperature and tissue type on the development of L. cuprina. Specimens were reared on three tissue types; swine muscle, swine liver, and bovine muscle at 20°C, 25°C, 27°C, and 38°C...
November 23, 2017: Journal of Medical Entomology
Tong Shen, Marti Garriga Font, Sukwon Jung, Millicent L Gabriel, Mark P Stoykovich, Franck J Vernerey
In this study, soft hydrogel crawlers with remote magnetic-responsive motility in confined spaces have been developed. Inspired by the motion of maggots, the hydrogel crawlers can reversibly contract and elongate their body controlled by repeatedly switching on/off an alternating magnetic field. Based on the cyclic deformation, the hydrogel crawlers can move peristaltically in a confined space that is coated with asymmetric micro-patterns. The dependence of the hydrogel motility on the pattern structures and lubrication is characterized using experimental measurements...
November 23, 2017: Scientific Reports
Shuang Ren, You-Jin Hao, Bin Chen, You-Ping Yin
The onion maggot, Delia antiqua, is a worldwide subterranean pest and can enter diapause during summer and winter seasons. The molecular regulation of the ontogenesis transition remains largely unknown. Here we used high-throughput RNA-Seq to identify candidate genes and processes linked to summer diapause induction by comparing the transcriptome differences between the most sensitive larval developmental stage of summer-diapause (SD) and non-diapause (ND). Nine pair-wise comparisons were performed and significantly differentially regulated transcripts were identified...
November 20, 2017: G3: Genes—Genomes—Genetics
Haoliang Chen, Lulu Lin, Farman Ali, Minghui Xie, Guangling Zhang, Weihua Su
Bradysia odoriphaga (Diptera: Sciaridae) is the most important pest of Chinese chive. Insecticides are used widely and frequently to control B . odoriphaga in China. However, the performance of the insecticides chlorpyrifos and clothianidin in controlling the Chinese chive maggot is quite different. Using next generation sequencing technology, different expression unigenes (DEUs) in B. odoriphaga were detected after treatment with chlorpyrifos and clothianidin for 6 and 48 h in comparison with control. The number of DEUs ranged between 703 and 1161 after insecticide treatment...
November 17, 2017: International Journal of Molecular Sciences
Xinqiang Xi, Yangheshan Yang, Xiaocheng Yang, Sören Nylin, Nico Eisenhauer, Shucun Sun
Temperature increase may disrupt trophic interactions by differentially changing body growth of the species involved. In this study, we tested whether the response of body growth to artificial warming (~2.2 °C) of a solitary koinobiont endo-parasitoid wasp (Pteromalus albipennis, Hymenoptera: Pteromalidae) differed from its main host tephritid fly (Tephritis femoralis, Diptera: Tephritidae; pre-dispersal seed predator), and whether the plant seed damage caused by wasp-parasitized and unparasitized maggots (larval flies) were altered by warming...
November 13, 2017: Scientific Reports
Aihui Zhang, Qiaoli Nie, Jingjing Song
External ophthalmomyiasis is a superficial infestation of the eye tissues by the larvae or maggots of flies. External ophthalmomyiasis, caused by Oestrus ovis, is found occasionally in shepherding areas, but is rare in the cities of eastern China. We present a case of a 30-year-old man with complaints of a foreign body sensation, lacrimation and itching in the right eye, with uncorrected visual acuity of 20/20 in each eye. Six larvae were removed from the conjunctival sac and were ultimately authenticated as the first instar larvae of Oestrus ovis...
January 1, 2017: Tropical Doctor
S Khan, R U Khan, W Alam, A Sultan
This study was conducted to evaluate the comparative effect of maggot meal, silkworm meal and mealworm as dietary protein source on the production performance and some aspects of meat quality in broilers. In this regard, maggot meal was reared on chicken offal and poultry waste. Silkworm meal was obtained from silk industry, while mealworm was developed through beetles rearing. A total of 120-day-old broiler chicks were randomly divided into four groups where soya bean meal (M0) was replaced with maggot meal (M1), silkworm meal (M2) and mealworm (M3) respectively...
November 3, 2017: Journal of Animal Physiology and Animal Nutrition
Estelle Hong How, Darren Yap, Nik Mbakada
BACKGROUND: Furuncular myiasis is a parasitic infection of a live mammal by fly larvae commonly seen in Africa. However, with an increase in international tourism, there is a significant rise in exotic infection in non-endemic areas which can pose a diagnostic challenge to doctors and potentially lead to delay in treatment. From the current literature, only 12 cases were reported in the UK. CASE PRESENTATION: We report an unusual case of multiple abscesses in a 32-year-old white British woman presenting to our Emergency department in the UK after returning from a holiday in The Gambia, West Africa...
November 3, 2017: Journal of Medical Case Reports
Guodong Zhu, Yin Luo, Ming Xue, Haipeng Zhao, Xia Sun, Xinhui Wang
Bradysia odoriphaga Yang et Zhang, the Chinese chive root maggot, is a devastating pest of agricultural plants causing significant losses in vegetable crops, edible mushrooms, and humus. To determine the effects of feeding on different host plants and diets on the life parameters of B. odoriphaga and its tolerance to stressful conditions, we analyzed the life-table data of B. odoriphaga reared on Chinese chive (Allium hookeri), Welsh onion (Allium fistulosum), garlic (Allium sativum), oyster mushroom (Pleurotus ostreatus), and humus and assayed its tolerance to heat and insecticides...
December 5, 2017: Journal of Economic Entomology
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