Arcyphysa fraserensis Wells & Contents 2018, sp. nov.
Creators: name: Wells, Alice
name: Contents, Arturs Neboiss Table Of
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Trichoptera
Hydropsychidae
Arcyphysa
Arcyphysa fraserensis

description: Arcyphysa fraserensis sp. nov.
(Figs 108–109)
Material examined. Holotype ♂, Queensland, Fraser Island, 3 km W Central Station, 20.xii.1979, K.J. Lambkin (QM [TRI-39436]).
Paratypes. Queensland: 2♂, Camp Mile, Cooloola, Banksia -dominated open forest, 28.viii.1970, E. Dahms [PT-1014]; 2♀, Fraser Island, Lake Wabby, 10–18.xii.1975, Bensink & Burton (QM); 1♀, same loc., 19.xi.1976, Thompson & Rice (QM); 1♀, Fraser Island, Coomboo Lake, south bank, 31.viii.1979, K.J. Lambkin (QM); 1♂ 1♀, Fraser Island, Pile Valley, nr Central Station, at light, 18.xii.1979, K.J. Lambkin (QM [PT-1125, PT-1050; TRI- 39403]).
Other material examined. Queensland: 2♂, Upper Logan, Feb. 1963, K. Korboot, emerged in captivity (UQ); 2♂ 1♀, Tamborine Mtns, Mar. 1963, MV lt, K. Korboot; 3♂ 4♀, Seary’s Creek, Cooloola NP, Rainbow Beach, 15°58'S 153°04'E, 9.ii.1987, G. Theischinger; 1♂, Camp Milo Cooloola, at light, Banksia dom. open forest, 28.viii.1970, E. Dahms (QM).
Diagnosis. This species is similar to D. hystricosa in having each harpago sickle-shaped in ventral view, but differs by having extensions on the anterolateral margins of tergite X in ventral view truncate apically, appearing somewhat ‘winged’; and in lateral view having a spine on each mesolateral margin of segment IX directed downward, not upward. The female is indistinguishable from that of D. hystricosa.
Description. Length of each forewing: ♂ 6.7–6.9 mm (n = 2), ♀ 7.7.mm (n = 1).
Male (Figs 108–109). Genitalia: In lateral view, abdominal segment IX with wide, U-shaped median excision, anterolateral angles bluntly rounded and densely covered with short, stout spicules, truncate in ventral view; group of bristles located on outer margin on each side, and down-turned spiny process on mesolateral margin situated just below phallic apparatus; tergite IX/X hood-shaped medially, lateral margins covered with scattered groups of short peg-like spines, apicolateral processes in ventral view apically truncate, projecting laterad; in lateral view terminating in finger-like lobe; gonopods in ventral view each with coxopodite stout, broadest at base, slightly curved, harpago short, broadly sickle-shaped in ventral view; phallic apparatus without parameres, almost straight.
Female. Abdomen terminating bluntly; pair of cerci and both pairs of terminal protuberances small; sternite VIII formed by 2 ventrolateral plates fully divided mesally, covering inferior appendage receptacle grooves, distal margins deeply and widely excised; apicolateral angles produced distally in wide setose lobes.
Distribution. Known from several sites on Fraser Island off the coast of south-eastern Queensland and also from several other south-eastern Queensland localities.
description: Published as part of Wells, Alice & Contents, Arturs Neboiss Table Of, 2018, Australian Diplectroninae reviewed (Insecta: Trichoptera), with description of 21 new species, most referred to a new genus, pp. 1-44 in Zootaxa 4415 (1) on page 29, DOI: 10.11646/zootaxa.4415.1.1, http://zenodo.org/record/1241736