Daternomina jacksonae Neboiss

Cartwright, David I., 2008, A review of the Australian species of Ecnomina Kimmins and Daternomina Neboiss (Trichoptera: Ecnomidae), Zootaxa 1774 (1), pp. 1-76 : 12-13

publication ID	https://doi.org/ 10.11646/zootaxa.1774.1.1
DOI	https://doi.org/10.5281/zenodo.5125033
persistent identifier	https://treatment.plazi.org/id/0749822F-FFE0-6035-6AE7-C8F2CC37A9D2
treatment provided by	Felipe
scientific name	Daternomina jacksonae Neboiss
status

Treatment

Figures 10–12 View FIGURES 7–12 , 56 View FIGURES 55–62

Daternomina jacksonae Neboiss, 2003: 66 , figs 17A–E.

Diagnosis. Daternomina jacksonae can be distinguished from all other Daternomina species by having inferior appendages which are small, paired, broad-based, tapering and upturned distally mesally.

Description. (Revised after Neboiss 2003). Head, body and wings brown; wings ( Neboiss 2003, fig. 17E) similar to D. irrorata ( Fig. 1 View FIGURES 1–6 ). Forewing length about 2.8–3.2 times width: male 4.1–4.9 mm, female 4.5–5.0 mm. Forewing fork 2 relatively long, sessile, about 1.7–2.1 times length of fork 3, nygma present; fork 3 relatively long, length fork 3 about 1.3–2.3 times length footstalk, footstalk length about 1.8–2.6 times length cross-vein m; r-m and m displaced at fork 3 by about 1.3–1.7 times length cross-vein m; fork 4 length similar to fork 3; fork 5 long, length about 1.8 times length of fork 4. Hindwing length about 3 times width, fork 2 sessile, length about 1.8–2.2 times length of fork 3.

Male. Tergum X membranous ( Fig. 12 View FIGURES 7–12 ). Superior appendages strongly laterally compressed; in lateral view, broad, widened distally, length about 1.5 times width ( Fig. 10 View FIGURES 7–12 ); in dorsal view, relatively slender, length about 4 times width, with two subapical projections and a group of spines on inner surface ( Fig. 12 View FIGURES 7–12 ). Phallus slender, generally tube-like, with a pair of spines apically; with a pair of slender, curved processes (phallic guides) arising from near the base of the inferior appendages ( Fig. 10 View FIGURES 7–12 ). Inferior appendages small; in ventral view, paired, discrete, broad basally, tapering distally, separated narrowly by a mesal split ( Fig. 11 View FIGURES 7–12 ); in lateral view, slender and upturned ( Fig. 10 View FIGURES 7–12 ).

Female. Genitalia with a pair of large relatively widely separated ‘tongue-shaped’ lobes on sternite VIII, with characteristic ‘teardrop-shaped’ internal structure visible mesally ( Fig. 56 View FIGURES 55–62 ).

Material examined: Tasmania. Holotype male, Lake Pedder, Frankland shore, 42°58'S 146°09'E, 10 Feb 1999 GoogleMaps , J. Jackson ( NMV), Paratypes, 7 males (specimen PT-2249 figured), 2 females (specimen PT-2189 figured) , collected with holotype ( NMV). Other material. Tasmania. Other Tasmanian records refer to Neboiss (2003). Victoria. 3 females, Badger Ck, Don Rd , 2 Dec 2003 GoogleMaps , UV lt, D. Cartwright; 2 females, Watts R., Fernshaw , 12 km NE Healesville, 11 Feb 1982 , Neboiss and Walker; 17 females, OShannassy R., 37°40'S, 145°50'E, 20 Jan 1983 GoogleMaps , A.N.; 1 female, Murrundindi R., 37°29'S, 145°33'E, 1 Feb 1984 GoogleMaps , A.N.; 1 female, White Ck-Taponga R. jn, 37°22'S, 146°03'E, 7 Dec 1985 GoogleMaps , A.N.; 1 male, Towong , 29 Jan 1957 , A.N.; 1 female, Toorongo R., Toorongo Road bridge, 18 Jan 1979 , collector?; 1 female, Ada R. on Ada R. Rd , 37°50.8'S, 145°52'E, 10 Feb 1980 GoogleMaps , Latrobe C Survey; 1 female, Tyers R. on Yallourn- N Tyers Rd, S 57, 38°8.9'S, 145°26.7'E, 12 Nov 1980 GoogleMaps , Latrobe C Survey; 2 females, Matlock Ck off Thomson Portal Rd , 14 km W of Aberfeldy, 10 Feb 1977 , A.A. Calder; 1 male, Martin Ck , 45 km N Orbost, 16 Dec 1976 , A.N.; 1 male, Goanna Ck , 2 km N Goongerah, 16 Dec 1976 , A.N.; 4 males, Olive Ck, Lind Nat. Pk , 18 Dec 1976 , A.N.; 1 male, 1 female, Karlos Ck, Mt Drummer , 26 Jan 1975 , A.N.; 2 females, Noorinbee N nr Cann R., 30 Dec 1975 , M.S. Moulds; 3 females, Back Ck, trib. of Cann R., Noorinbee N, 9 Feb 1980 , A.W.; 1 male, 6 females, same loc., UV lt, 10 Dec 2003 , D. Cartwright. New South Wales. 2 females, Wallagaraugh R., Princes Hwy bridge, 23 Jan 1975 , A.N.; 1 male, Tianjara Ck nr Nowra , 2 Nov 1964 , C.N. Smithers ( AM); 3 males, Barrington Tops , 1400m, 7 Dec 1981 , G. Theischinger; 1 female, Gloucester Tops , 32°04'S, 151°34'E, 1300m, 2- 3 Dec 1988 GoogleMaps , Theischinger and Mueller; 1 male, Wilson R. Res. nr Belangry , 5 Dec 1988 , G. Theischinger; 1 female, Boonoo Boonoo R. u/s falls, 11 Oct 1973 , A.N.

Remarks. Daternomina jacksonae has been collected from Tasmania, eastern half of Victoria and six widely separated localities in eastern New South Wales (latitudinal range 28°53'- 42°58'S). Neboiss’s (2003) figures have been redrawn to allow direct comparisons and to accompany the description that is revised in light of new interpretations of Daternomina genitalic structures. Some mainland Australian specimens have inferior appendages which are more elongate and slender distally ( Fig. 11a View FIGURES 7–12 ).