Figure - uploaded by Steve Gregory
Content may be subject to copyright.
List of native and naturalised woodlice (Isopoda: Oniscidea) recorded from, and their local abundance within, the counties of Berkshire, Buckinghamshire and Oxfordshire A = abundant; C = common; F = frequent; L= local; R = rare; VR = very rare; Nat. = Nationally Nomenclature follows the current World List of Marine, Freshwater and Terrestrial Isopod Crustaceans (invertebrates.si.edu/isopod). GB Status follows Lee (2015).
Contexts in source publication
Context 1
... the 40 species native or naturalised in Britain (Gregory 2009), 27 species have been recorded from Berkshire, Buckinghamshire and Oxfordshire (Table 1). Five species, Common Pygmy Woodlouse (Trichoniscus pusillus agg.), Shiny Woodlouse (Oniscus asellus), Striped Woodlouse (Philoscia muscorum), Rough Woodlouse (Porcellio scaber) and Common Pill Woodlouse (Armadillidium vulgare), have proved to be very common throughout the three counties. ...Context 2
... primitive Diplocheta (Family Ligidiidae) are confined to humid habitats, with a single representative, Ligidium hypnorum, occurring inland. The Synocheta includes 11 species in our area (Table 1), mainly within the family Trichoniscidae. These are the soil dwelling Pygmy Woodlice, most just 2-4mm in length. ...Context 3
... are the soil dwelling Pygmy Woodlice, most just 2-4mm in length. The more highly evolved Crinocheta, represented by 15 species within eight families (Table 1), are mainly larger woodlice about 9-20mm in length. These include familiar species such as Shiny Woodlouse (Oniscus asellus) and Pill Woodlouse (Armadillidium vulgare). ...Context 4
... the 40 species native or naturalised in Britain (Gregory 2009), 27 species have been recorded from Berkshire, Buckinghamshire and Oxfordshire (Table 1). Five species, Common Pygmy Woodlouse (Trichoniscus pusillus agg.), Shiny Woodlouse (Oniscus asellus), Striped Woodlouse (Philoscia muscorum), Rough Woodlouse (Porcellio scaber) and Common Pill Woodlouse (Armadillidium vulgare), have proved to be very common throughout the three counties. ...Context 5
... primitive Diplocheta (Family Ligidiidae) are confined to humid habitats, with a single representative, Ligidium hypnorum, occurring inland. The Synocheta includes 11 species in our area (Table 1), mainly within the family Trichoniscidae. These are the soil dwelling Pygmy Woodlice, most just 2-4mm in length. ...Context 6
... are the soil dwelling Pygmy Woodlice, most just 2-4mm in length. The more highly evolved Crinocheta, represented by 15 species within eight families (Table 1), are mainly larger woodlice about 9-20mm in length. These include familiar species such as Shiny Woodlouse (Oniscus asellus) and Pill Woodlouse (Armadillidium vulgare). ...Citations
... On the 24th of March 2021, 10 isopods were collected from under branches of a fallen and decaying horse chestnut (Aesculus hippocastanum) tree on the Isle of Bute (Scotland, UK) and were identified as the common woodlouse (O. asellus), by way of gross morphological features (Gregory, 2021). Isopods were transferred to one container at room temperature, with the addition of damp tissue as a water source and with the inclusion of leaf litter. ...
The icon ectomycorrhizal (EcM) species, Tuber melanosporum, requires mycophagy for ascospore dispersal. Isopods are often found within fruitbodies and to explore why, Oniscus asellus were presented with T. melanosporum as a food source. Fruitbodies were consumed at a rate of 4.0 mg per isopod, over 24 h. Most of the recovered faecal pellets contained ascospores after 12 h. Gut-transit inflicted little mechanical damage to ascospores, and the majority were still contained with an ascus 30 h post feeding. Further, ascospores were observed in faecal pellets 18 days after consumption. Combined, the results suggest a previously overlooked role for isopods in EcM spore dispersal. The impacts for EcM ecology and the role of isopods in Tuber spp. lifecycles, including mating type distribution, is discussed alongside the emerging threat of climate change and how such knowledge can inform management by custodians of relevant habitat types.
