| [the synanthropy of the calliphorids (insecta, diptera) of curitiba, paraná, brazil]. | the calliphorids synantropics were studied in three different environments--urban, rural and forest area--in metropolitan region of curitiba, paraná, brazil during october and december of 1996 to estimate the abundance, preferences of the adults to baits (fresh fish, bird liver and human faeces) and the synanthropic index for the most abundant species. a total of 3399 calliphorids of 13 different species were sampled: phaenicia eximia (wiedemann, 1819), phaenicia cuprina (wiedemann, 1818), phaen ... | 1998 | 9697653 |
| [description and key to the main species of calliphoridae (diptera) larvae of forensic importance from colombia]. | larvae of 13 blowfly species from colombia are described and an illustrated key for all them is presented. all larval instars of calliphora nigribasis macquart, cochliomyia macellaria (fabricius), chrysomya albiceps (wiedemann), chrysomya megacephala (fabricius), hemilucilia segmentaria (fabricius), hemilucilia semidiaphana (rondani), lucilia eximia (weidemann) are described, but the second and third instars of compsomyiops verena (walter), and only the third instar of calliphora vicina robineau ... | 2009 | 19618061 |
| a preliminary analysis of insects of medico-legal importance in curitiba, state of paraná. | a survey of the carrion fauna was made at two sites in curitiba, state of paraná, with the objective of describing the insects associated with carrion and setting up a preliminary data-base for medico-legal purposes in south brazil. vertebrate exclusion experiments were carried out in each season between 1994 and 1995 with a 250 g laboratory-bred rat (rattus norvegicus). five stages of decomposition were identified: fresh, bloated, decaying, dry and adipocere-like. some species showed seasonal a ... | 1997 | 9332590 |
| diptera and coleoptera of potential forensic importance in southeastern brazil: relative abundance and seasonality. | to determine the species of diptera and coleoptera that visit and breed in carrion, four experiments, one for each season, were conducted from november 1992 to october 1993 in the vicinity of campinas city, southeastern brazil. for each experiment two pigs weighting c. 10 kg were killed with a blow to the head with a blunt metallic object and immediately exposed, one in the shade and the other under sunlight. adult insects and larvae leaving the carcass to pupate were collected daily. in additio ... | 1997 | 9061672 |
| primary myiasis in dog caused by phaenicia eximia (diptera:calliphoridae) and preliminary mitochondrial dna analysis of the species in brazil. | a case of primary myiasis in a dog caused by phaenicia eximia (robineau-desvoidy) in brazil is presented. a young and healthy female dog, canis familiaris, approximately 10 d old and still under maternal care, was found to have several eggs and 1st instars larvae in its abdomen and urogenital regions. samples were collected in campinas, são paulo, and transferred to the laboratory for rearing and identification. a comparative analysis of the mitochondrial dna (mtdna) with 12 restriction enzymes ... | 1996 | 8840693 |
| structure and ultrastructure of spermatozoa and spermiogenesis in three species of lucilia robineau-desvoidy, 1830 (diptera: calliphoridae). | morphology of male internal reproductive organs, spermatozoa, and spermiogenesis of the blow-flies lucilia cuprina, lucilia eximia, and lucilia peruviana is first described here, using light and transmission electron microscopy. spermiogenesis follows the characteristics described for others insect species. the spermatozoa of l. cuprina are similar to those described for other brachycera. however, in l. eximia and l. peruviana, some differences were found. in l. cuprina and l. eximia species, th ... | 2011 | 21956285 |
| insects (diptera) associated with cadavers at the institute of legal medicine in pernambuco, brazil: implications for forensic entomology. | increasing rates of unsolved homicides in brazil prompt the need for applied entomological data to be used as a complementary tool by criminal investigators. in that context, we analyzed the occurrence of forensically important insect species (order diptera) on 14 cadavers taken into the institute of legal medicine (ilm), in pernambuco, brazil, according to the conditions of the body and the pattern of colonisation by insects. simultaneously, we surveyed the diversity of insects in the surroundi ... | 2010 | 20181449 |
| identification of fly eggs using scanning electron microscopy for forensic investigations. | forensic entomology is the science that studies the role of insects in decomposing corpses and one of the most common uses is to estimate the post-mortem interval (pmi) based on insect activity on a decomposing body. usually, flies are the first insects to reach a carcass and are able to oviposit on carrion within a few hours after death. scanning electron microscopy (sem) gives detailed information about morphological characters helping to identify the immature forms of flies and consequently s ... | 2008 | 18353656 |
| species composition and seasonal succession of saprophagous calliphorids in a rural area of córdoba: argentina. | during 2004, four experiments were carried out, one each season, in order to determine the species composition and seasonal dynamics of calliphoridae in a rural area of córdoba (argentina). two pigs (sus scrofa l.), weighing approximately 8 kg each, were used in each experiment. they were killed with a blow to the head and immediately placed in a variant of the schoenly et al. (1991) trap. one pig was exposed in the shade and the other one under direct sunlight. the insect fauna was collected da ... | 2007 | 18064353 |
| [effect of different baits as attractant for blowflies (diptera) at valonguinho, universidade federal fluminense, niterói, rj, brazil]. | it was carried out a survey of blowflies in an area of the campus (valonguinho) of the universidade federal fluminense, niterói, rio de janeiro. the collections were performed with traps, using baits of fish (sardine), bovine liver, shrimps and banana. were collected 6015 flies, chrysomya megacephala and lucilia eximia were the most frequent (50.55% and 21.52%, respectively). the flies were more abundant in february and march and the most attractive bait was fish (38.32%). | 2007 | 18373895 |
| current status of the new world screwworm cochliomyia hominivorax in venezuela. | the geographical distribution and seasonality of the new world screwworm (nws), cochliomyia hominivorax coquerel (diptera: calliphoridae), were monitored through the use of sentinel animals as part of a co-ordinated programme involving veterinarians and farmers, as well as undergraduate students and teachers from veterinary colleges in venezuela. this surveillance activity made it possible to collect nws egg masses or larvae from all 23 states in the country and to determine that the rainy seaso ... | 2009 | 19335837 |
| evolution and structural organisation of mitochondrial dna control region of myiasis-causing flies. | this study reports the molecular characterization of the mtdna control region (called the a+t-rich region in insects) of five dipteran species which cause myiasis: cochliomyia hominivorax coquerel, cochliomyia macellaria fabricius, chrysomya megacephala fabricius, lucilia eximia wiedemann (diptera: calliphoridae) and dermatobia hominis linnaeus jr (diptera: oestridae). the control region in these species varies in length from 1000 to 1600 bp. two structural domains with specific evolutionary pat ... | 2000 | 10759315 |
| [dipterans of forensic interest in two vegetation profiles of cerrado in uberlândia, state of minas gerais, brazil]. | carrion breeding insects may be of great utility in crimes briefing. studies on forensic entomology are restricted to few localities in brazil and very few of them were done in the cerrado vegetation (a type of savannah) until now. this work aimed to survey the main species of dipterans associated with the decomposition process of sus scrofa and the insect succession pattern in carcasses in the cerrado. the study was carried out in the dry and humid season of the year, in two cerrado vegetation ... | 2009 | 20098935 |
| seasonal population dynamics in lucilia eximia (wiedemann) (diptera: calliphoridae). | in this study the seasonal variation of fecundity, wing and tibia sizes were investigated in natural populations of lucilia eximia (wiedemann) as an attempt to determine the variations in life history of the species associated to seasonality. specimens of l. eximia were monthly collected in botucatu, são paulo, brazil, during two years and the adult females dissected to estimate fecundity. body size was estimated by measuring wing and tibia. fecundity and body size were seasonally analysed. a re ... | 2006 | 17273704 |
| diversity of calliphoridae (diptera) in brazil's tinguá biological reserve. | the calliphoridae are flies of great ecological, medical and sanitary importance because they are decomposers of organic matter, mechanical vectors of pathogenic agents, and causers of myiasis. this paper attempts to ascertain the diversity of calliphoridae in the tinguá biological reserve and correlate meteorological data (temperature, relative humidity of the air, and precipitation) with the occurrence of these flies. the study was conducted at a site in the tinguá biological reserve, located ... | 2006 | 16680310 |
| [trophic niches in calyptrate diptera in rio de janeiro, rj]. | niche breadth and niche overlap of flies were estimated. the flies were breeding in different environments in rio de janerio (rural, urban and forest). it were used as a larvae substrate: banana mashed, mouse carcass, fish (sardine), bovine liver, shrimp and fresh human faeces. it were bred 14,294 flies, belonging to four families: calliphoridae, fanniidae, muscidae and sarcophagidae. the greater niche overlap values observed were: rural area: phaenicia cuprina versus chrysomya megacephala; urba ... | 1998 | 9987210 |
| insects and associated arthropods analyzed during medicolegal death investigations in harris county, texas, usa: january 2013- april 2016. | the application of insect and arthropod information to medicolegal death investigations is one of the more exacting applications of entomology. historically limited to homicide investigations, the integration of full time forensic entomology services to the medical examiner's office in harris county has opened up the opportunity to apply entomology to a wide variety of manner of death classifications and types of scenes to make observations on a number of different geographical and species-level ... | 2017 | 28604832 |
| diversity and synanthropy of calliphoridae (diptera) in the region of rio claro, sp, brazil. | dipteran blowflies (calliphoridae) are of great medical and hygienic importance as vectors of pathogens and as parasites of living and dead tissue, and their association with carrion allows their use in forensic entomology. the objective of this study was to determine the synanthropic index of adult calliphoridae (diptera) collected in rio claro, são paulo. sampling occurred between september 2009 and august 2010. traps baited with sardines, beef liver, and minced meat were assessed for five con ... | 2012 | 23950050 |
| an update of the blow flies (diptera: calliphoridae) of the galápagos islands, and first record of chrysomya rufifacies (macquart) from mainland ecuador. | seven species of calliphoridae are reported from the galápagos islands, ecuador: lucilia pionia (walker), l. setosa (james), l. deceptor (curran), l. eximia (wiedemann), cochliomyia macellaria (fabricius), chrysomya albiceps (wiedemann), and chrysomya megacephala (fabricius). lucilia eximia is newly recorded from the islands. lucilia sp. near pionia is recorded from the island of española. the distribution and collection records of these species are discussed and listed, and a key to their ident ... | 2013 | 25113695 |
| spatio-temporal dynamics and preference for type of bait in necrophagous insects, particularly native and introduced blow flies (diptera: calliphoridae). | we carried out a year-long survey of insects, using carrion-baited traps in the municipality of campinas and five surrounding municipalities with different urbanization profiles, in southeastern brazil. we studied the spatio-temporal variability and preferences for type of bait of three blow fly species that are forensically important in brazil: chrysomya albiceps (wiedemann), chrysomya megacephala (f.), and lucilia eximia (wiedemann). all three species preferred chicken. c. albiceps and l. exim ... | 2013 | 23540131 |
| human wound colonization by lucilia eximia and chrysomya rufifacies (diptera: calliphoridae): myiasis, perimortem, or postmortem colonization? | the infestation of human or animal tissues by fly larvae has been given distinctive terminology depending on the timing and location of colonization. wounds and orifices colonized by diptera in a living human or animal are typically referred to as myiasis. when the colonization occurs after death, it is referred to as postmortem colonization and can be used to estimate the minimum postmortem interval. what happens when the human, as in the case presented here, has a necrotic limb while the human ... | 2014 | 24897868 |
| evaluating the effects of different vegetation types on necrophagous fly communities (diptera: calliphoridae; sarcophagidae): implications for conservation. | the present study was conducted in five different phytogeographic zones of the brazilian state of maranhão, three of which (the amazon forest, cerrado, and palm groves) are more heterogeneous, whereas the other two (marshlands and mangroves) are more homogeneous. in each zone, nine sites were visited for the collection of necrophagous flies using bait traps in 2010, 2011, and 2012. the calliphorid and sarcophagid communities observed at each site were compared in terms of species richness, compo ... | 2016 | 27798664 |
| the potential uses of sarcosaprophagous flesh flies and blowflies for the evaluation of the regeneration and conservation of forest clearings: a case study in the amazon forest. | the level of association between dipterans of the families calliphoridae and sarcophagidae and habitats with different levels of vegetation cover was analyzed at porto urucu in coari, amazonas, brazil, with the aim of identifying the potential of these taxa as bioindicators for the assessment of forest regeneration and conservation. the flies were collected in 16 sample areas, 12 of which were clearings at different stages of regeneration (c1--early regeneration; c2--moderate regeneration; and c ... | 2014 | 25502027 |
| intraguild predation influences oviposition behavior of blow flies (diptera: calliphoridae). | the objective of the present study was to determine whether blow flies (diptera: calliphoridae) are able to identify larvae of an intraguild predator species in the substrate and avoid laying eggs there. blow flies oviposited in traps with different treatments: substrate only and substrate with larvae of chrysomya albiceps (wiedemann, 1819), chrysomya megacephala (fabricius, 1794), or chrysomya putoria (wiedemann, 1830). ch. megacephala, ch. putoria, and lucilia eximia (wiedemann, 1819) avoided ... | 2016 | 26888288 |
| attraction and oviposition of lucilia eximia (diptera: calliphoridae) to resources colonized by the invasive competitor chrysomya albiceps (diptera: calliphoridae). | the present study aimed to determine if the presence of immatures of the invasive blow fly species chrysomya albiceps (wiedemann) influences the adult behavior of the native species lucilia eximia (wiedemann) in brazil. the level of attraction and oviposition by the native species was assessed in a dual-choice assay. the evaluation was based on sex and stage of ovarian development of l. eximia adults to a resource not colonized (ncr) or colonized (rpc) with eggs, different instars, or densities ... | 2017 | 27744362 |
| selective attractiveness of rodent-baited traps for female blowflies. | five species of calliphoridae, mostly females, were collected using fly-traps baited with freshly killed rodent carcasses. female blowflies were examined to determine the stages of ovarian development. the traps were selective for certain ovarian stages which varied according to the species. phaenicia eximia (wiedemann) was attracted to the traps mainly to oviposit, whereas females of chrysomya albiceps (wiedemann), c. putoria (wiedemann) and c. megacephala (fabricius) were captured in intermedi ... | 1988 | 2980162 |
| effect of lunar phases, tides, and wind speed on the abundance of diptera calliphoridae in a mangrove swamp. | abiotic factors, such as lunar phases and tides, have a significant effect on insect development. reproduction and immature development are usually interlinked to these abiotic factors. the tide is at its highest levels at full moon or new moon, hindering the feeding of the immature or causing their drowning. the oviposition by adult females is also compromised on these days because much of the available food is submerged. another important abiotic factor is the wind, which displaces odoriferous ... | 2014 | 27193403 |
| blowflies (diptera, calliphoridae) associated with pig carcasses in a caatinga area, northeastern brazil. | studies that focused on calliphoridae associated with pig carcasses are abundant in southern and southeastern brazil; however, there are few in northeast. here, we present an inventory of the blowfly species associated with the stages of decomposition of pig carcasses in a caatinga area during dry and rainy seasons. the study took place at the private reserve for the environmental inheritance "fazenda almas," state of paraíba, brazil. using a modified version of the shannon trap, 32,909 adult sp ... | 2014 | 27193518 |
| dna-barcoding of forensically important blow flies (diptera: calliphoridae) in the caribbean region. | correct identification of forensically important insects, such as flies in the family calliphoridae, is a crucial step for them to be used as evidence in legal investigations. traditional identification based on morphology has been effective, but has some limitations when it comes to identifying immature stages of certain species. dna-barcoding, using coi, has demonstrated potential for rapid and accurate identification of calliphoridae, however, this gene does not reliably distinguish among som ... | 2017 | 28761780 |