Ecnomina wamoom, 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 : 46-47

Ecnomina wamoom sp. nov.

Figs 96–98 , 178

Diagnosis. Ecnomina wamoom can be separated from all other species in the genus by the distinctive paired lateral projections on both the phallus and inferior appendages.

Description. Head, body and wings brown, abdomen paler ventrally; wings similar to E. legula ( Fig. 3 ). Forewing length about 3.0–3.3 times width: male 3.7–4.2 mm, female 3.8–4.6 mm. Forewing fork 2 relatively long, sessile, length about 1.2–1.3 times length of fork 3; fork 3 relatively long, length greater than 9 times length footstalk, footstalk length about 0.4–0.6 times length cross-vein m, r-m and m not contiguous at fork 3 by about 0.9 times length cross-vein m; fork 4 similar length to fork 3; fork 5 long, length about 1.8 times length of fork 4. Hindwing length about 3.1–3.3 times width, fork 2 sessile, length about 1.3–1.5 times length of fork 3.

Male. Tergum X membranous, expanded distally ( Fig. 98 ). Superior appendages slightly laterally compressed; in lateral view, length about 3 times width, tapered slightly in distal third ( Fig. 96 ); in dorsal view, relatively slender, length about 4 times width, with stout spines on inner surface, subapically ( Fig. 98 ). Phallus generally tube-like with distinctive pair of curved processes disto-laterally ( Figs 96, 97 ). Inferior appendages in ventral view, fused, with pair of dorso-lateral processes, rounded distally ( Fig. 97 ); in lateral view, length about twice width, tapered distally ( Fig. 96 ).

Female Genitalia with a single relatively elongate and robust mesal process on sternite VIII, process tapered to a rounded apex; segment IX relatively long, tapered slightly distally, segment X relatively short and segments IX and X relatively slender ( Fig. 178 ).

Holotype male: Victoria, Miranda Ck , 38°56'S, 146°28'E, 6 Jan 1986, A.N. ( NMV, T-19705).

Paratypes: Victoria. 1 male (specimen PT-1496 figured) , 1 female (specimen CT-490 figured), collected with holotype ( NMV) ; 2 males, 3 females, Wilsons Prom., 5 mile Rd swamp, 9 Dec 1986, A.N .

Etymology. Wamoom - Victorian Aboriginal word for Wilsons Promontory (type locality).

Remarks. Ecnomina wamoom has been collected from two adjacent localities on Wilsons Promontory in south-eastern Victoria (latitude 38°56'S).

Figures

FIGURES 90–98. Ecnomina spp. Male genitalia in lateral, ventral and dorsal views. 90–92: Ecnomina legula Neboiss. 93–95: Ecnomina gullea sp. nov. 96–98: Ecnomina wamoom sp. nov.

FIGURES 175–183. Ecnomina spp. Female genitalia in ventral view. 175: Ecnomina vega Neboiss. 176: Ecnomina legula Neboiss. (176a: lateral view.) 177: Ecnomina gullea sp. nov. 178: Ecnomina wamoom sp. nov. 179: Ecnomina viatica Neboiss. 180: Ecnomina mesembria Neboiss. 181: Ecnomina sentosa Neboiss. 182: Ecnomina rostrata sp. nov. 183: Ecnomina cohibilis Neboiss.

FIGURES 1–6. 1–2. Daternomina irrorata (Kimmins). 1: Forewing and hindwing. 2: Head and thorax, dorsal view. 3– 6. Ecnomina spp. 3. Ecnomina legula Neboiss, forewing and hindwing. 4–5. Ecnomina scutica sp. nov. 4: Head and thorax, dorsal view. 5: Wings, section of forewing and hindwing. 6. Ecnomina spinosa Kimmins, head and thorax, dorsal view. n., nygma; o.w, occipital wart.