Calliphora vicina (Diptera: Calliphoridae) it is a facultative ectoparasite responsible for traumatic myiasis in humans and warmblooded vertebrates in the world. In this work one case of traumatic myasis caused by C. vicina (Diptera Calliphoirdae) is reported for the first time in a vulnerable crested porcupine (Hystrix cristata Linnaeus, 1758). A total of 30 larvae located in the posterior-dorsal area of the animal were removed from inside the lesion and either preserved in ethanol or reared to the adult stage. This report shows the great ability of C. vicina to use many organic matter for the food source's offspring, including many live vertebrates.

Despite being common amongst carnivore mammals, behavioral interference between wild herbivore species is poorly documented. Particularly, in temperate areas, where the ungulate guild is composed of a few species, and large-sized rodents are scarce, most cases of interspecific interactions involve at least one alien species. In this work, we report the first data on behavioral interactions between roe deer, Capreolus capreolus, and crested porcupine, Hystrix cristata. Aggressions by crested porcupines toward roe deer were observed in 34 out of 202 observations of both species feeding at the same site. In the other 168 observations, roe deer and porcupines shared the same feeding area, without any interaction. In 58% cases of interaction, porcupines chased and pushed roe deer away from feeding areas, and in several other cases, roe deer were bitten, or injured with quills. Aggressions by porcupines occurred mostly during warm months, when roe deer are mostly solitary and when competition for food between these species is suggested to be the highest, and against single female individuals.

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Taxonomy is a mistreated matter, but its role in ecology, behaviour and conservation studies is pivotal. Disentangling amongst different subspecies is challenging given the high arbitrariness level in determining thresholds of genetic and morphological distances. Splitting frenzy trends have increased the number of animal taxa and for most of them a critical redefinition is required. In this work, we reviewed knowledge and validity of subspecific taxa identified for African crested porcupines Hystrix cristata and Hystrix africaeaustralis. In the past, several subspecies were recognized for both the species, but successive works suggested H. cristata and H. africaeaustralis as monotypic species with no clear explanation. Recently, the validity of the taxon H. cristata senegalica has been claimed again. We analysed all available data and discussed all the subspecific taxa in light of both genetic and morphological data. We revalidated here the synonymy Hystrix senegalica Cuvier, 1823 = Hystrix cristata Linnaeus, 1758. Syn. rev. Two names are treated as nomina dubia: Acanthion daubentonii Cuvier, 1823 (formalization) and “Hystrix capensis Gr.”. Hystrix cristata var. alba de Sélys-Longchamps, 1839 has been deleted from the synonymic list of H. cristata. Neither mitochondrial nor nuclear DNA data militate for the existence of any subspecific taxon, although further data are required for H. cristata from East Africa (e.g., Kenya and Tanzania). Similarly, morphology seems to play for a clinal variation in both species. For available data, we thus strongly recommend to keep both H. cristata and H. africaeaustralis as monotypic species.