Ecnomina serrata, Cartwright, 2008

Cartwright, David I., 2008, A review of the Australian species of Ecnomina Kimmins and Daternomina Neboiss (Trichoptera: Ecnomidae), Zootaxa 1774 (1), pp. 1-76 : 69-71

publication ID 10.11646/zootaxa.1774.1.1

persistent identifier

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scientific name

Ecnomina serrata

sp. nov.

Ecnomina serrata sp. nov.

Figs 165–167 View FIGURES 162–167 , 194 View FIGURES 184–195

Diagnosis. Ecnomina serrata is distinguished by the superior appendages not being dorso-ventrally flattened distally and the relatively long, tapered processes on tergum X.

Description. Head, body and wings brown, abdomen paler ventrally; wings similar to E. merki ( Fig. 172 View FIGURES 168–174 ). Forewing length about 2.7–2.9 times width: male 2.9–3.8 mm, female 3.2–4.3 mm. Forewing fork 2 relatively long, sessile, length about 1.3–1.5 times length of fork 3; fork 3 relatively long, with short footstalk, length fork about 2.9–5.6 times length footstalk, footstalk length about 0.9–1.5 times length cross-vein m, r-m and m nearly contiguous at footstalk fork 3, r-m and m separated by about 0.4–0.5 times length of cross-vein m; fork 4 present, slightly shorter than fork 3; fork 5 long, length about twice length of fork 4. Hindwing length about 2.9–3.3 times width, fork 2 sessile or with very short footstalk, footstalk length about 0–0.2 times length cross-vein r-m, fork length about 1.6–1.8 times length of fork 3.

Male Tergum X membranous, with one pair of relatively long, robust dorsal processes, relatively widely separated, broad based and tapered distally, serrated mesally ( Fig. 167 View FIGURES 162–167 ). Superior appendages in lateral view, relatively slender, length about 5 times width, tapered slightly distally ( Fig. 165 View FIGURES 162–167 ); in dorsal view, length about 4 times width, with several pairs of longer mesal spines distally ( Fig. 167 View FIGURES 162–167 ). Phallus simple, tube-like, robust ( Fig. 165 View FIGURES 162–167 ). Inferior appendages short; in ventral view, length about 0.6 times width, fused in basal three quar- ters, dilated and truncated distally, with small oval excision meso-distally ( Fig. 166 View FIGURES 162–167 ); in lateral view, slender, length about 4 times width ( Fig. 165 View FIGURES 162–167 ).

Female. Genitalia with a single, short, slender mesal process on sternite VIII, with a pair of small triangular structures at base; segment IX relatively long, tapered slightly distally, segment X relatively short and segments IX and X relatively slender ( Fig. 194 View FIGURES 184–195 ).

Holotype male: Queensland, Girraween Nat. Pk nr Wyberba (about 28°52'S, 151°56'E), 10 Oct 1973, A.N. ( NMV, T-19885). GoogleMaps

Paratypes: Queensland. 4 males (specimen CT-455 figured) , 2 females (specimen CT-507 figured), collected with holotype ( NMV) GoogleMaps .

Other material examined: Queensland. 1 male, Bouloumba Ck , 8 km SW Kenilworth, 26°39'S, 152°39'E, 12 Dec 1984, G. Theischinger GoogleMaps ; 2 males, 2 females, Granite Ck, 210 m, Bulburin State Forest via Many Peaks , 1 Apr 1972, S. R . Monteith ( ANIC) ; 1 male, Branch Ck, Conondales , date?, S. Bunn. New South Wales . 1 male, Boonoo Boonoo R . trib., 20 May 1983, D. Cartwright; 2 males, Wilson R . Res. nr Bellangry , 5 Dec 1988, G. Theischinger ; 2 males, Starrs Ck, Landsdowne S.F., NE Taree , 6–8 Jan 1988, G. Williams ; 1 male, U. Allyn R ., 12 km N of Eccleston , 21 Feb 1980, A. Calder .

Etymology. Serrata - Latin word for serrated (mesal margin of processes of tergum X).

Remarks. Ecnomina serrata has been collected from localities in south-eastern Queensland and northeastern New South Wales (latitudinal range 24°35'- 32°15'S).


Museum Victoria


Departamento de Geologia, Universidad de Chile


Australian National Insect Collection