| | The spider families of Britain and Ireland |
Illustrations. • Clubionidae: Drassus ferrugineus Bl.. 71, female Drassus ferrugineus Bl.: a, maxillae, labium and palpus; b, eyes. Identity uncertain: Bristowe suggested “Clubiona sp.?”. From Blackwall (1861). • Clubionidae: Clubiona formosa Templ.. 78, perhaps = Clubiona pallidula?: female and detail of the eyes. From Blackwall (1861: called by him Clubiona formosa Templ., but the identity uncertain according to Bristowe). • Clubionidae: Clubiona holosericea Walck.. Blackwall's Clubiona holosericea Walck., perhaps = C. stagnatilis Kulcz. according to Bristowe. a, female; b, male; c, eyes; d, labium, maxillae and chelicerae; e, profile of cephalothorax and abdomen in side view; f, palpal organs of the male. From Blackwall (1861). • Clubionidae: Clubiona pallens Koch. Clubiona subtilis L. Koch (?): a, female; b, male; c, palpal organs of the male. This illustration seems to have been identified with C. subtilis by Bristowe, having been labelled C. pallens by Blackwall. From Blackwall (1861). • Mimetidae: Ero cambridgei or E. furcata. Ero sp.: a, female; b, male; c, palpus of the male; d, the sternum; e, cocoons. Blackwall labelled this illustration Theridion variegatum. According to Bristowe, Ero cambridgei Kulcz. and E. furcata (Villers) were being confused under that name prior to 1912, so the figure presumably represents one or the other (or both) of these. From Blackwall (1864). • Linyphiidae: Kaestneria pullata?. 164, Kaestneria pullata (Camb.)? This is Blackwall’s illustration of a female of Linyphia tenella Bl., as cautiously interpreted by Bristowe (the type lost). • Linyphiidae: Kaestneria dorsalis(?) and Saaristoa abnormis(?). 154, Linyphia meadii Bl., = Saaristoa abnormis (Bl.)?: a, female; b, male; c, palpus of the male. 155, Linyphia claytoniae Bl., = Kaestneria abnormis (Wider)?: a, female; b, male; c and d, varieties of the female; e, palpus of the male. Both identifications are uncertain, with Blackwall’s depictions of the palps failing to conform convincingly, although Bristowe confidently assigned the latter to K. abnormis. From Blackwall (1864). • Linyphiidae: Gongylidiellum vivum?. 179, Gongylidiellum vivum (Camb.)?: male, and its palpus. From Blackwall (1864. His Neriene parva Bl., tentatively referred to G. vivum by Bristowe). • Linyphiidae: Thyreosthenius parasiticus?. 214, Walckenaeria turgida Bl., which Bristowe tentatively referred to Thyreosthenius becki Camb.), the latter being listed by Platnick as a synonym of Thyreosthenius parasiticus (Westr.). a, male; b, female; c, side view of the cephalothorax and caput. From Blackwall (1864). • Linyphiidae: Microctenonyx subitaneus(?) and Tapinocyba pallens(?). 219, Walckenaeria parva Bl., tentatively referred by Bristowe to Aulacocyba subitanea (Camb.), which is now Microctenonyx subitaneus (Camb.): a, male; b, female; c, side view of the cephalothorax. 220, Tapinocyba pallens (Camb.): male of Walckenaeria exilis Bl., tentatively referred by Bristowe to Colococyba pallens (Camb.), now called T. pallens. From Blackwall (1864). • Linyphiidae: Walckenaeria antica or W. alticeps. 225, Walckenaeria antica (Wider) or W. alticeps (Denis), the latter species only recently recognised in Britain: a, male; b, female; c and d, two views of the palpus of the male; e, the cephalothorax and chelicera of the male, in side view; f, detail of the smaller, anterior lobe of the male caput, which bears a pair of small, antero-laterally directed horns. From Blackwall (1864). • Linyphiidae: Micrargus apertus or M. herbigradus. 199, Micrargus apertus (Camb.) or M. herbigradus (Bl.)?: a, female; b, male; c, the palpus of the male. From Blackwall (1864). • Theridiidae: Theridion pallens, T. auratum and T. haematostigma. 125, Theridion pallens Bl.: a, female; b, male; c, the palpus of the male; d and e, the cocoon, in situ and enlarged. 130, Theridion albens Bl., female (now regarded as a form of T. pallens). 128 and 128a: Theridion auratum Bl., female and detail of the eyes. 129 and 129a: Theridion haematostigma Bl., female and detail of the eyes. T. auratum and T. haematostigma were awarded the status "identity uncertain" by Bristowe, and are omitted from modern check lists.
We advise against extracting comparative information from the descriptions. This is much more easily achieved using the DELTA data files or the interactive key, which allows access to the character list, illustrations, full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting or lacking specified attributes, and distributions of character states within any set of taxa. See also Guidelines for using data taken from Web publications.
Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2003 onwards. The spider families of Britain and Ireland. Version: 5th August 2019. delta-intkey.com’.
