Publications

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influence of substrate tissue type on larval growth in calliphora augur and lucilia cuprina (diptera: calliphoridae).the size of fly larvae is an important variable in the use of these insects to estimate postmortem interval. furthermore, the nutritional intake of larvae is likely to vary subject to the part of a corpse on which they are feeding. a study was therefore conducted to investigate the effect of type of food substrate on larval growth in two species of forensically important australian blowflies. after collection on sheep's liver in the laboratory, different groups of larvae of lucilia cuprina (wied ...200616696716
width as an alternative measurement to length for post-mortem interval estimations using calliphora augur (diptera: calliphoridae) larvae.the length of fly larvae collected from corpses is often used to help provide an entomological estimate of time since death. however, 'head-curling' by larvae can affect the accuracy of length measurements. to investigate a possible resolution to this problem, larvae of calliphora augur were grown on sheep's liver at two constant temperatures (20 and 25 degrees c). replicate samples were collected at set time intervals until pupation. body length and width were measured for individual larvae and ...200616188411
a comparison of frozen/thawed and fresh food substrates in development of calliphora augur (diptera: calliphoridae) larvae.while research has examined the effect of freezing and subsequent thawing on the decomposition of carcasses, no studies have investigated the effect of the freezing and thawing of tissues used as a developmental substrate by fly larvae. this paper reports on the results of such a study using larvae of calliphora augur (fabricius) on sheep's liver. approximately 20 first-instar larvae were collected on sheep liver and subsequently transferred to paired treatments of fresh and frozen/thawed liver ...200616642349
effect of preservative solutions on preservation of calliphora augur and lucilia cuprina larvae (diptera: calliphoridae) with implications for post-mortem interval estimates.a major role of forensic entomology is to estimate the post-mortem interval. an entomologist's estimate of post-mortem interval is based on a series of generally valid assumptions, error in any of which can alter the accuracy of an estimate. the initial process of collecting and preserving maggots can itself lead to error, as can the method of killing and preservation. since circumstances exist where it is not possible to rear maggots, methods of killing and preservation can be vital to preservi ...200818514451
the larvae of some blowflies of medical and veterinary importance.diagnostic features are described as a series of couplets that enable separation of the third instar larvae of the following pairs of closely related forms of blowflies of medical and veterinary importance: chrysomya chloropyga (wiedemann) and ch.putoria (wiedemann), chrysomya albiceps (wiedemann) and ch.rufifacies (macquart), cochliomyia hominivorax (coquerel) and co.macellaria (fabricius), lucilia sericata (mergen) and l. cuprina (wiedemann), calliphora augur (fabricius) and c. stygia (fabrici ...19872979525
mitochondrial dna cytochrome oxidase i gene: potential for distinction between immature stages of some forensically important fly species (diptera) in western australia.forensic entomology requires the fast and accurate identification of insects collected from a corpse for estimation of the postmortem interval (pmi). identification of specimens is traditionally performed using morphological features of the insect. morphological identification may be complicated however by the numerical diversity of species and physical similarity between different species, particularly in immature stages. in this study, sequencing was performed to study the mitochondrial dna (m ...200312590052
nocturnal colonization behavior of blowflies (diptera: calliphoridae) in southeastern australia.worldwide research into nocturnal colonization by blowflies has produced many contradictory findings, prompting investigation specific to southeastern australia. initial experiments showed that blowfly colonization begins shortly after sunrise and continues until sunset; nocturnal colonization never occurred. colonization peaks occurred at mid-morning, midday, and in the hours preceding sunset. in an additional experiment, wild blowflies were captured and placed in cages with colonization medium ...201322994948
nocturnal oviposition behavior of blowflies (diptera: calliphoridae) in the southern hemisphere (south africa and australia) and its forensic implications.published research has offered contradictory evidence of the occurrence of nocturnal oviposition by carrion-breeding blowflies, a behavior that can affect the interpretation of forensic estimates of a minimum post mortem interval (minpmi) by up to 12 hours, depending on latitude and season. the majority of published studies are from the northern hemisphere. field experiments were conducted in south africa and australia that extend observations to species of the southern hemisphere. various verte ...201728409386
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