Topic
Calliphora augur
About: Calliphora augur is a research topic. Over the lifetime, 16 publications have been published within this topic receiving 385 citations. The topic is also known as: Calliphora (Paracalliphora) augur.
Papers
TL;DR: The succession and rate of development of insects in carrion is potentially a useful and accurate tool for determining the length of time elapsed since death, but the accuracy of this method in Queensland has been severely limited by lack of data.
Abstract: The succession and rate of development of insects in carrion is potentially a useful and accurate tool for determining the length of time elapsed since death, but the accuracy of this method in Queensland has been severely limited by lack of data. The occurrence of the following species in carrion in the Brisbane district and at a site 450 km west of Brisbane from 1975 to 1979 is discussed: Lucilia cuprina (Wiedemann), Lucilia sericata (Meigen), Calliphora augur (F.), Calliphora stygia (F.), Calliphora hilli (Patton), Chrysomya rufifacies (Macquart), Chrysomya varipes (Macquart), Chrysomya megacephala (F.), Chrysomya nigripes Aubertin, Chrysomya saffranea (Bigot), Hemipyrellia ligurriens Wiedemann, Chrysomya megacephala (F)., Tricholioproctia tryoni (J. and T.), Ophyra spinigera Stein and Australophyra rostrafa (R. ‐D.). Detailed observations at constant temperatures were made on rate of development of flies commonly infesting human cadavers. The duration of the egg, first and second larval instars, total feeding period, total larval period, pupal period and egg to adult period are given for the following species at the temperatures indicated: L. cuprina (15–34°C), C. augur (9–28°C), C. srygia (9–28°C), Ch. rufifcies (20–34°C) and A. rostrara (9–28°C). Limited data on rate of development of Ch. varipes, Ch. sajranea, Ch. nigripes and Ch. megacephala are also included. The application of these data to forensic entomology is discussed. Copyright
127 citations
TL;DR: Investigation of the effect of type of food substrate on larval growth in two species of forensically important Australian blowflies indicated that the development of larvae fed sheep's liver was adversely affected compared with larvae fed meat and brain; they moulted later, reached maximum length more slowly and sometimes produced significantly smaller pupae.
Abstract: 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 (Wiedemann) and Calliphora augur (Fabricius) were grown on sheep's liver, meat, and brains, and their body lengths compared. Results indicated that the development of larvae fed sheep's liver was adversely affected compared with larvae fed meat and brain; they moulted later, reached maximum length more slowly and sometimes produced significantly smaller pupae. These findings, similar to those of another recent study, have obvious implications for postmortem interval determinations. Estimates may be considerably skewed if the site of collection of larvae at a death scene contains tissue types different to those used in reference experiments. We therefore recommend caution in forensic analyses that interpret crime scene data using developmental studies performed with a single type of larval food substrate.
87 citations
TL;DR: It was found that body width, as measured at the junction of the fifth and sixth abdominal segments, is comparable with body length for age prediction of maggots of C. augur grown at these temperatures.
62 citations
TL;DR: A number of preservation techniques used at crime scenes and in mortuaries were examined and their effect on feeding third-instar larvae of Calliphora augur and Lucilia cuprina was evaluated, and it was found that continued handling is detrimental to specimens because preservative evaporates from both the vial and the specimens.
44 citations
TL;DR: In a regularly inspected small mob of sheep, incidence of covert strike was higher than incidence of overt strike, supporting the view that a grazier's estimate of flystrike in the flock would almost always be an underestimate.
Abstract: For 3 years numbers and species of blowflies breeding in carcasses and on live merino sheep were studied at the University of New South Wales Arid Zone Research Station at Fowlers Gap, to determine which species initiated blowfly strike on sheep and how Lucilia cuprina (Wiedemann) maintained its population throughout the year; particularly whether it could complete its life cycle on carcasses. Larvae taken from struck sheep showed L. cuprina to be the dominant species in >87% of strikes. Native calliphorids, Calliphora nociva Hardy, Calliphora augur (Fabr.), and Calliphora stygia (Fabr.) were present in about 7% of strikes sampled, usually in association with L. cuprina. In a regularly inspected small mob (c. 70) of sheep, incidence of covert strike was higher than incidence of overt strike, supporting the view that a grazier's estimate of flystrike in the flock would almost always be an underestimate. On carcasses, the secondary strike native blowfly, Chrysomys rufijacies (Macquart), was produced in very large numbers. Some native primary strike Calliphora spp. were produced from some carcasses in the colder months, but no L. cuprina was produced from either small or large carcasses (sheep, kangaroos, rabbits) at any time. However, larvae of L. cuprina were recovered from live sheep at all times of the year, indicating that L. cuprina is an obligate parasite of live sheep in the arid zone.
34 citations
Related Topics (5)
Performance Metrics
| Year | Papers |
|---|---|
| 2021 | 2 |
| 2019 | 1 |
| 2012 | 1 |
| 2008 | 1 |
| 2006 | 3 |
| 1994 | 1 |