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Sex-specific developmental models for Creophilus maxillosus (L.) (Coleoptera: Staphylinidae): searching for larger accuracy of insect age estimates

Differences in size between males and females, called the sexual size dimorphism, are common in insects. These differences may be followed by differences in the duration of development. Accordingly, it is believed that insect sex may be used to increase the accuracy of insect age estimates in forensic entomology. Here, the sex-specific differences in the development of Creophilus...

A general approach for postmortem interval based on uniformly distributed and interconnected qualitative indicators

There are many qualitative indicators for postmortem interval (PMI) of human or animal cadavers. When such indicators are uniformly spaced over PMI, the resultant distribution may be very useful for the estimation of PMI. Existing methods of estimation rely on indicator persistence time that is, however, difficult to estimate because of its dependence on many interacting factors...

Blowfly puparia in a hermetic container: survival under decreasing oxygen conditions

and Ecology, Adam Mickiewicz University , Umultowska 89, 61-614 Poznań , Poland 1 Laboratory of Criminalistics, Adam Mickiewicz University , Św. Marcin 90, 61-809 Poznań , Poland 2 Szymon Matuszewski

Classification of forensically-relevant larvae according to instar in a closely related species of carrion beetles (Coleoptera: Silphidae: Silphinae)

Carrion beetle larvae of Necrodes littoralis (Linnaeus, 1758), Oiceoptoma thoracicum (Linnaeus, 1758), Thanatophilus sinuatus (Fabricius, 1775), and Thanatophilus rugosus (Linnaeus, 1758) (Silphidae: Silphinae) were studied to test the concept that a classifier of the subfamily level may be successfully used to classify larvae according to instar. Classifiers were created and...

Validation of temperature methods for the estimation of pre-appearance interval in carrion insects

Criminalistics, Adam Mickiewicz University in Poznan ́ , S 1 & Szymon Matuszewski The pre-appearance interval (PAI) is an interval preceding appearance of an insect taxon on a cadaver. It decreases with an

Flesh flies (Diptera: Sarcophagidae) colonising large carcasses in Central Europe

Sarcophagidae are an important element of carrion insect community. Unfortunately, results on larval and adult Sarcophagidae from forensic carrion studies are virtually absent mostly due to the taxonomic problems with species identification of females and larvae. The impact of this taxon on decomposition of large carrion has not been reliably evaluated. During several pig carcass...

Temperature-dependent appearance of forensically useful flies on carcasses

Szymon Matuszewski 0 Micha Szafaowicz 0 Andrzej Grzywacz 0 0 A. Grzywacz Department of Animal Ecology, Nicolaus Copernicus University , Lwowska 1, 87-100 Toru, Poland Flies are frequently used for

Effect of body mass and clothing on decomposition of pig carcasses

Carcass mass and carcass clothing are factors of potential high forensic importance. In casework, corpses differ in mass and kind or extent of clothing; hence, a question arises whether methods for post-mortem interval estimation should take these differences into account. Unfortunately, effects of carcass mass and clothing on specific processes in decomposition and related...

Effect of body mass and clothing on carrion entomofauna

Szymon Matuszewski Katarzyna Frtczak Szymon Konwerski Daria Bajerlein Krzysztof Szpila Mateusz Jarmusz Micha Szafaowicz Andrzej Grzywacz Anna Mdra Carcass mass largely affects pattern and rate of